<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112021000200206</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v69n2.80386</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Validation of an instrument to measure adherence to orthodontic treatment provided in dental clinics of dentistry schools]]></article-title>
<article-title xml:lang="es"><![CDATA[Validación de un instrumento para medir la adherencia al tratamiento de ortodoncia en servicios odontológicos de facultades de odontología]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaimes-Monroy]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Rojas]]></surname>
<given-names><![CDATA[Ingrid Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega-Ruiz]]></surname>
<given-names><![CDATA[Andrea Yaneth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco-Galvis]]></surname>
<given-names><![CDATA[Claudia Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Clavijo-Serrato]]></surname>
<given-names><![CDATA[Nathaly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Higuera-Pulido]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vesga-Sarmiento]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Antonio Nariño Faculty of Dentistry ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Antonio Nariño Faculty of Dentistry ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>69</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112021000200206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112021000200206&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112021000200206&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Adherence to treatment is associated with the quality of health care given to the patient, especially in institutions with a high workload, such as dentistry schools. In these places, treatments are long and high adherence is required for them to be successful.  Objective: To validate, by means of an exploratory factor analysis (EFA) and a confirmatory factor analysis (CFA), an instrument for measuring adherence to orthodontic treatment in dental clinics of dentistry schools, where a large number of patients are treated.  Materials and methods: Quantitative study in which an instrument was validated by performing an EFA and a CFA. A 27-item questionnaire (adapted from the original 37-item instrument) was administered to 601 patients treated at a dentistry school of a Colombian university in two different periods: during the second semester of 2018 (n=202) and during the first semester of 2019 (n=399). The EFA and the CFA were performed using the SPSS and the LISREL software, respectively.  Results: Factor analysis established that the instrument has six factors and 25 questions suitable for collecting information on adherence to treatment by obtaining the following adjustment values: x2 SB=420.09 with d.f.=260 and p&lt;0.05; x2 S B divided by the degrees of freedom index (X2 SB/d.f.) = 1.62; CFI=0.99; RFI=0.98; NNFI= 0.99; RMSEA=0.039 (90%CI 0.032-0.046); and SRMR= 0.057.  Conclusions: Based on the results obtained after performing the EFA and the CFA, it is possible to conclude that the instrument is valid and highly reliable to measure orthodontic treatment in this context. Consequently, its use in similar institutions will allow determining the levels of adherence in these patients accurately, and thus, when necessary, develop and implement actions that encourage greater engagement from this population to orthodontic treatment to obtain better outcomes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La adherencia al tratamiento está relacionada con la calidad de la atención en salud dada al paciente, especialmente en instituciones con un alto volumen de trabajo, como las facultades de odontología, donde los tratamientos son prolongados y se requiere de una alta adherencia para que estos sean exitosos.  Objetivo. Validar, mediante un análisis factorial exploratorio (AFE) y un análisis factorial confirmatorio (AFC), un instrumento para medir la adherencia al tratamiento ortodóntico en clínicas odontológicas de facultades de odontología en las que se atiende un alto número de pacientes.  Materiales y métodos. Estudio cuantitativo en el que se validó un instrumento mediante un AFE y un AFC. Se aplicó un cuestionario de 27 preguntas (adaptado del instrumento original de 37 preguntas) a 601 pacientes atendidos en una facultad de odontología de una universidad colombiana en dos periodos diferentes: el segundo semestre de 2018 y el primer semestre de 2019. El AFE y el AFC se realizaron mediante los programas SPSS y LISREL, respectivamente.  Resultados. El análisis factorial permitió establecer un instrumento con 6 factores y 25 preguntas adecuado para recolectar información sobre la adherencia al tratamiento al obtener los siguientes valores de ajuste: B=420.09 con gl=260 y p&lt;0.05; B/gl = 1.62; CFI=0.99; RFI=0.98; NNFI=0.99; RMSEA=0.039 (IC90%: 0.032-0.046), y SRMR=0.057.  Conclusiones. El AFE y el AFC permitieron establecer un instrumento válido y con una alta con-fiabilidad para medir la adherencia al tratamiento ortodóntico en este escenario, por lo que su uso en instituciones similares permitirá determinar de manera confiable los niveles de adherencia en estos pacientes, y, de esta forma, cuando sea necesario, desarrollar e implementar acciones que fomenten un mayor compromiso de esta población con los tratamientos de ortodoncia para obtener mejores desenlaces.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Factor Analysis]]></kwd>
<kwd lng="en"><![CDATA[Statistics]]></kwd>
<kwd lng="en"><![CDATA[Treatment Adherence and Compliance]]></kwd>
<kwd lng="en"><![CDATA[Orthodontics (MeSH)]]></kwd>
<kwd lng="es"><![CDATA[Análisis factorial]]></kwd>
<kwd lng="es"><![CDATA[Estadística]]></kwd>
<kwd lng="es"><![CDATA[Cumplimiento y adherencia al tratamiento]]></kwd>
<kwd lng="es"><![CDATA[Ortodoncia (DeCS)]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyons]]></surname>
<given-names><![CDATA[EK]]></given-names>
</name>
<name>
<surname><![CDATA[Ramsay]]></surname>
<given-names><![CDATA[DS.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A self-regulation model of patient compliance in orthodontics: Implications for the design of a headgear monitor]]></article-title>
<source><![CDATA[Seminars in Orthodontics]]></source>
<year>2004</year>
<volume>6</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>224-30</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tsomos]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ludwig]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Grossen]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Pazera]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gkantidis]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Objective assessment of patient compliance with removable orthodontic appliances A cross-sectional cohort study]]></article-title>
<source><![CDATA[Angle Orthod]]></source>
<year>2014</year>
<volume>84</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>56-61</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bukhari]]></surname>
<given-names><![CDATA[OM]]></given-names>
</name>
<name>
<surname><![CDATA[Sohrabi]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Tavares]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors affecting patients' adherence to orthodontic appointments]]></article-title>
<source><![CDATA[Am J Orthod Dento-facial Orthop]]></source>
<year>2016</year>
<volume>149</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Veeroo]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
<name>
<surname><![CDATA[Cunningham]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Newton]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Helen]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Travess. Motivation and compliance with intraoral elastics]]></article-title>
<source><![CDATA[Am J Orthod Dentofacial Orthop]]></source>
<year>2014</year>
<volume>146</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>33-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gacitúa-Cártes]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Werlinger-Cruces]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ríos-Erazo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Palacios]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Satisfacción del uso de brackets metálicos en relación a higiene oral, confort y autopercepción estética]]></article-title>
<source><![CDATA[Rev Cubana Estomatol]]></source>
<year>2016</year>
<volume>53</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>28-42</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Preoteasa]]></surname>
<given-names><![CDATA[CT]]></given-names>
</name>
<name>
<surname><![CDATA[Ionescu]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Preoteasa]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risks and Complications Associated with Orthodontic Treatment]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Bourzgui]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Orthodontics - Basic Aspects and Clinical Considerations]]></source>
<year>2012</year>
<page-range>403-28</page-range><publisher-name><![CDATA[BoD - Books on Demand]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Talic]]></surname>
<given-names><![CDATA[NF.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adverse effects of orthodontic treatment: A clinical perspective]]></article-title>
<source><![CDATA[Saudi Dent J]]></source>
<year>2011</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>55-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Callister]]></surname>
<given-names><![CDATA[LC]]></given-names>
</name>
<name>
<surname><![CDATA[Berry]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Dearing]]></surname>
<given-names><![CDATA[KA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patient-centered care and adherence: Definitions and applications to improve outcomes]]></article-title>
<source><![CDATA[J Am Acad Nurse Pract]]></source>
<year>2009</year>
<volume>20</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>600-7</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Romero]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<name>
<surname><![CDATA[Romero-Guevara]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Parra]]></surname>
<given-names><![CDATA[DI]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas Sánchez]]></surname>
<given-names><![CDATA[LZ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adherencia al tratamiento: concepto y medición]]></article-title>
<source><![CDATA[Hacia promoc. salud]]></source>
<year>2016</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>117-37</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aronson]]></surname>
<given-names><![CDATA[JK.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Compliance, Concordance, Adherence]]></article-title>
<source><![CDATA[Br J Clin Pharmacol]]></source>
<year>2007</year>
<volume>63</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>383-4</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martín Alfonso]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acerca del concepto de adherencia terapéutica]]></article-title>
<source><![CDATA[Rev Cubana Salud Pública]]></source>
<year>2004</year>
<volume>30</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Adherencia a los tratamientos a largo plazo. Pruebas para la acción]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Ginebra ]]></publisher-loc>
<publisher-name><![CDATA[Organización Panamericana de la Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cepeda-de Romero]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón-Díaz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Palacio]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinación del grado de adherencia al tratamiento de ortodoncia en pacientes adscritos a la clínica de Fundación Universitaria CIEO-UniCIEO del 2009 a 2013]]></article-title>
<source><![CDATA[Odontos]]></source>
<year>2016</year>
<numero>46</numero>
<issue>46</issue>
<page-range>14-25</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Portilla]]></surname>
<given-names><![CDATA[JE]]></given-names>
</name>
<name>
<surname><![CDATA[Pilataxi-Sánchez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Escobar]]></surname>
<given-names><![CDATA[LD]]></given-names>
</name>
<name>
<surname><![CDATA[Velásquez-Rivera]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[López-Blandón]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Delgado]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinantes de la satisfacción de la atención odontológica en un grupo de pacientes atendidos en la Clínica del Adulto de la Facultad de Odontología de la Universidad de Antioquia]]></article-title>
<source><![CDATA[RGYPS]]></source>
<year>2013</year>
<volume>12</volume>
<numero>24</numero>
<issue>24</issue>
<page-range>209-25</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[RB.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determinants of compliance: the disease and the mechanics of treatment]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
<name>
<surname><![CDATA[Sackett]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
</person-group>
<source><![CDATA[Compliance in Health Care]]></source>
<year>1979</year>
<page-range>49-62</page-range><publisher-loc><![CDATA[Baltimore, MD ]]></publisher-loc>
<publisher-name><![CDATA[Johns Hopkins University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mota-Gomes]]></surname>
<given-names><![CDATA[MD.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A critical review of interventions to improve compliance with prescribed medications]]></article-title>
<source><![CDATA[Patient Educ Couns]]></source>
<year>1987</year>
<volume>10</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>155-66</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dolovich]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sellors]]></surname>
<given-names><![CDATA[JW]]></given-names>
</name>
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[RB.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patient Compliance]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Rakel]]></surname>
<given-names><![CDATA[RE]]></given-names>
</name>
</person-group>
<source><![CDATA[Essential Family Medicine. Part I: Fundamentals]]></source>
<year>2006</year>
<edition>3rd</edition>
<publisher-loc><![CDATA[Philadelphia, PA ]]></publisher-loc>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pisano-González]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[González-Pisano]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La modificación de los hábitos y la adherencia terapéutica, clave para el control de la enfermedad crónica]]></article-title>
<source><![CDATA[Enferm Clin]]></source>
<year>2014</year>
<volume>24</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>59-66</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sergl]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Zentner]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predicting patient compliance in orthodontic treatment]]></article-title>
<source><![CDATA[Semin Orthod]]></source>
<year>2000</year>
<volume>6</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>231-6</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taherdoost]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Sahibuddin]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Jalaliyoon]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exploratory factor analysis; concepts and theory]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Balicki]]></surname>
<given-names><![CDATA[Jerzy]]></given-names>
</name>
</person-group>
<source><![CDATA[Advances in Applied and Pure Mathematics]]></source>
<year></year>
<page-range>375-82</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Izquierdo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Olea]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Abad]]></surname>
<given-names><![CDATA[FJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exploratory factor analysis in validation studies: Uses and recommendations]]></article-title>
<source><![CDATA[Psicothema]]></source>
<year>2014</year>
<volume>26</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>395-400</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="confpro">
<collab>World Medical Association (WMA)</collab>
<source><![CDATA[WMA Declaration of Helsinki - Ethical principles for medical research involving human subjects]]></source>
<year>2013</year>
<conf-name><![CDATA[ 64thWMA General Assembly]]></conf-name>
<conf-loc>Fortaleza </conf-loc>
</nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="">
<collab>Colombia. Ministerio de Salud</collab>
<source><![CDATA[Resolución 8430 de 1993 (octubre 4): Por la cual se establecen las normas científicas, técnicas y administrativas para la investigación en salud]]></source>
<year>1993</year>
<publisher-loc><![CDATA[Bogotá D.C. ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Araque-Largo]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Marulanda]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Úsuga-Serna]]></surname>
</name>
<name>
<surname><![CDATA[Jaimes-Monroy]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas-Rojas]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<source><![CDATA[Adherencia al tratamiento de ortodoncia de los pacientes adultos de 20 a 64 años de edad, de la Clínica del Posgrado de Ortodoncia de la Universidad Antonio Nariño Bogotá, sede circunvalar entre 2015-2017]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Bogotá D.C. ]]></publisher-loc>
<publisher-name><![CDATA[Facultad de Odontología, Universidad Antonio Nariño]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ikhsanudin]]></surname>
</name>
<name>
<surname><![CDATA[Subali]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Content validity analysis of first semester formative teston biology subject for senior high school]]></article-title>
<source><![CDATA[J. Phys.: Conf. Ser]]></source>
<year>2018</year>
<volume>1097</volume>
<page-range>012039</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Exploratory and confirmatory factor analysis: Understanding concepts and applications]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Washington, DC ]]></publisher-loc>
<publisher-name><![CDATA[American Psychological Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reio Jr TG]]></surname>
<given-names><![CDATA[Shuck.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Exploratory Factor Analysis: Implications for Theory, Research, and Practice]]></article-title>
<source><![CDATA[SAGE]]></source>
<year>2015</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>12-25</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vilca]]></surname>
<given-names><![CDATA[LW]]></given-names>
</name>
<name>
<surname><![CDATA[Vallejos]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Construction of the Risk of Addiction to Social Networks Scale (Cr.A.R.S.)]]></article-title>
<source><![CDATA[Computers in Human Behavior]]></source>
<year>2015</year>
<volume>48</volume>
<page-range>190-8</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pilatti]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Godoy]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Brussino]]></surname>
<given-names><![CDATA[SA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis factorial confirmatorio del cuestionario de expectativas hacia el alcohol para adolescentes (CEA-A)]]></article-title>
<source><![CDATA[Act. Colomb. Psicol]]></source>
<year>2012</year>
<volume>15</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>11-20</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gliem]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Gliem]]></surname>
<given-names><![CDATA[RR.]]></given-names>
</name>
</person-group>
<source><![CDATA[Calculating, Interpreting, and Reporting Cronbach's Alpha Reliability Coefficient for Likert-Type Scales]]></source>
<year>2003</year>
<conf-name><![CDATA[ Midwest Research-to-Practice Conference in Adult, Continuing, and Community Education]]></conf-name>
<conf-date>2003</conf-date>
<conf-loc>Ohio </conf-loc>
</nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dziuban]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
<name>
<surname><![CDATA[Shirkey]]></surname>
<given-names><![CDATA[EC.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[When is a correlation matrix appropriate for factor analysis? Some decision rules]]></article-title>
<source><![CDATA[Psychological Bulletin]]></source>
<year>1974</year>
<volume>81</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>358-61</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Braeken]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Van Assen]]></surname>
<given-names><![CDATA[MALM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An Empirical Kaiser Criterion]]></article-title>
<source><![CDATA[Psychol Methods]]></source>
<year>2017</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>450-66</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[TA.]]></given-names>
</name>
</person-group>
<source><![CDATA[Confirmatory factor analysis for applied research]]></source>
<year>2015</year>
<edition>2nd</edition>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[The Guilford Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thoma]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[McGrew]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Pulsipher]]></surname>
<given-names><![CDATA[DT]]></given-names>
</name>
<name>
<surname><![CDATA[Yeo]]></surname>
<given-names><![CDATA[RA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Convergent and discriminant validity of the ImPACT with traditional neuropsychological measures]]></article-title>
<source><![CDATA[Cogent Psychol]]></source>
<year>2018</year>
<volume>5</volume>
<page-range>1430199</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Awang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Validating the measurement model: CFA]]></article-title>
<source><![CDATA[A Handbook on SEM]]></source>
<year></year>
<edition>2nd</edition>
<publisher-loc><![CDATA[Terengganu ]]></publisher-loc>
<publisher-name><![CDATA[Universiti Sultan Zainal Abidin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zait]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bertea]]></surname>
<given-names><![CDATA[PE.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Methods for Testing Discriminant Validity]]></article-title>
<source><![CDATA[Management &amp; Marketing]]></source>
<year>2011</year>
<volume>9</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>217-24</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henseler]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ringle]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Sarstedt]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new criterion for assessing discriminant validity in variance-based structural equation modeling]]></article-title>
<source><![CDATA[J. of the Acad. Mark. Sci]]></source>
<year>2015</year>
<volume>43</volume>
<page-range>115-35</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dilla]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Valladares]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lizán]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sacristán]]></surname>
<given-names><![CDATA[JA.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adherencia y persistencia terapéutica: causas, consecuencias y estrategias de mejora]]></article-title>
<source><![CDATA[Atención Primaria]]></source>
<year>2009</year>
<volume>41</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>342-8</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lago-Danesi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adherencia al tratamiento, responsabilidad de todos]]></article-title>
<source><![CDATA[Tendencias en Medicina]]></source>
<year>2015</year>
<volume>23</volume>
<numero>46</numero>
<issue>46</issue>
<page-range>99-109</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="book">
<collab>World Health Organization (WHO)</collab>
<source><![CDATA[Adherence to Long-term therapies. Evidence for action]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Geneva ]]></publisher-loc>
<publisher-name><![CDATA[WHO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taasoobshirazi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The performance of the SRMR, RMSEA, CFI, and TLI: an examination of sample size, path size, and degrees of freedomvol]]></article-title>
<source><![CDATA[JAQM]]></source>
<year>2016</year>
<volume>11</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>31-40</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Satorra]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bentler]]></surname>
<given-names><![CDATA[PM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ensuring Positiveness of the Scaled Difference Chi-square Test Statistic]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>2010</year>
<volume>75</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>243-8</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morata-Ramírez]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
<name>
<surname><![CDATA[Holgado-Tello]]></surname>
<given-names><![CDATA[FP]]></given-names>
</name>
<name>
<surname><![CDATA[Barbero-García]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Méndez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis factorial confirmatorio. Recomendaciones sobre mínimos cuadrados no ponderados en función del error Tipo I de Ji-Cuadrado y RMSEA]]></article-title>
<source><![CDATA[Acción psicol]]></source>
<year>2015</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>79-90</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hooper]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Coughlan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mullen]]></surname>
<given-names><![CDATA[MR.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structural Equation Modelling: Guidelines for Determining Model Fit]]></article-title>
<source><![CDATA[Electronic Journal of Business Research Methods]]></source>
<year>2008</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-60</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moliner-Miravet]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[García-Carpintero]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Domenech-Vidal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Vallet-Bellmunt]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Bellmunt]]></surname>
<given-names><![CDATA[IV]]></given-names>
</name>
<name>
<surname><![CDATA[Alegre-Ansuategui]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diseño, validación y análisis factorial exploratorio y confirmatorio de la escala de actitud Cohesiona para la evaluación de la eficacia de los talleres de habilidades cooperativas]]></article-title>
<source><![CDATA[Estudios Pedagógicos]]></source>
<year>2017</year>
<volume>43</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>213-34</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marsh]]></surname>
<given-names><![CDATA[HW]]></given-names>
</name>
<name>
<surname><![CDATA[Hocevar]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of Confirmatory Factor Analysis to the Study of Self-Concept. First- and Higher Order Factor Models and Their Invariance Across Groups]]></article-title>
<source><![CDATA[Psychological Bulletin]]></source>
<year>1985</year>
<volume>97</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>562-82</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schreiber]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
<name>
<surname><![CDATA[Nora]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Stage]]></surname>
<given-names><![CDATA[FK]]></given-names>
</name>
<name>
<surname><![CDATA[Barlow]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reporting Structural Equation Modeling and Confirmatory Factor Analysis Results: A Review]]></article-title>
<source><![CDATA[The Journal of Educational Research]]></source>
<year>2006</year>
<volume>99</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>323-37</page-range></nlm-citation>
</ref>
<ref id="B48">
<label>48</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Herrero]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El Análisis Factorial Confirmatorio en el estudio de la Estructura y Estabilidad de los Instrumentos de Evaluación: Un ejemplo con el Cuestionario de Autoestima CA-14]]></article-title>
<source><![CDATA[Psychosocial Intervention]]></source>
<year>2010</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>289-300</page-range></nlm-citation>
</ref>
<ref id="B49">
<label>49</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lt]]></surname>
<given-names><![CDATA[Hu]]></given-names>
</name>
<name>
<surname><![CDATA[Bentler]]></surname>
<given-names><![CDATA[PM.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fit Indices in Covariance Structure Modeling: Sensitivity to Underparameterized Model Misspecification]]></article-title>
<source><![CDATA[Psychological Methods]]></source>
<year>1998</year>
<volume>3</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>424-53</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
