<?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>0120-8748</journal-id>
<journal-title><![CDATA[Acta Neurológica Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Neurol Colomb.]]></abbrev-journal-title>
<issn>0120-8748</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Neurología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-87482015000200008</article-id>
<article-id pub-id-type="doi">10.22379/2422402225</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia y factores de riesgo psicosociales de la depresión en un grupo de adultos mayores en Bogotá]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence and psychosocial risk factors of depression in a group of older adults in Bogota]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[Ana M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Plata]]></surname>
<given-names><![CDATA[Sandra J]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[María F]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Paola]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pardo]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galvis]]></surname>
<given-names><![CDATA[Paula]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montalvo]]></surname>
<given-names><![CDATA[Camila]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Erick]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedraza]]></surname>
<given-names><![CDATA[Olga L]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad El Bosque Facultad de Psicología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Fundación Universitaria de Ciencias de la Salud (FUCS) Hospital Infantil Universitario de San José (HIUSJ) ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad El Bosque Facultad de Psicología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2015</year>
</pub-date>
<volume>31</volume>
<numero>2</numero>
<fpage>176</fpage>
<lpage>183</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-87482015000200008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-87482015000200008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-87482015000200008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Introducción: la depresión es una enfermedad de alta prevalencia en adultos mayores. En Colombia su prevalencia se ha descrito entre 1,2 a 12% en mayores que viven en comunidad. Objetivo: estimar la prevalencia de depresión en un muestra de adultos mayores de Bogotá y describir los factores de riesgo psicosocial asociados. Material y métodos: se realizó un estudio de corte transversal observacional-descriptivo, en 889 adultos mayores autónomos. La depresión fue evaluada con el test de depresión geriátrica Yesavage y los factores de riesgo con la sección de acontecimientos vitales del cuestionario Predict. Resultados: el 74% de la muestra estuvo constituida por mujeres, la media de edad fue de 72,51 (DS 9,4) años y la escolaridad promedio en años fue de 7,50 (DS 5,64). Así mismo, se estimó una prevalencia de depresión del 18,6%, siendo mayor en mujeres (20%) y (18%) en sujetos entre 70 y 79 años, los adultos con baja escolaridad sumaron un 43%, y el 22% lo constituyeron personas dependientes económicamente. Por otra parte, se encontró relación entre la depresión y cinco de los factores de riesgo psicosocial conocidos como acontecimientos vitales adversos: insomnio, vivir solo, padecer enfermedades crónicas, haber sufrido una crisis económica, y la muerte de un familiar o amigo cercano en el último año. Conclusión: la prevalencia de depresión en un grupo de personas mayores de la comunidad en Bogotá es más alta que lo descrito previamente en Colombia y por la Organización Mundial de la Salud (OMS). Programas que reduzcan la soledad en la vejez y protejan a la mujer y a los mayores con menos escolaridad podrían mitigar esta condición.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Introduction: depression is one of the most prevalent diseases in the elderly. In Colombia, the prevalence of depression in this population ranges from 1,2 to 12%. Objective: to estimate the prevalence of depression in a group of independent elderly subjects in Bogota and describe the psychosocial risk factors associated with it. Material and methods: a cross-observational and descriptive study was done. The sample was constituted of 889 autonomous elderly subjects of Bogota city. Depression was assessed by applying the Test of Geriatric Depression-Yesavage-. Besides, the psychosocial risk factors were measured through the life events section, which is part of the Predict Questionnaire. Results: 74% of the sample was made up of women, the mean age was 72,51 years old (DS.9,4) and the average of education was of 7.50 years (DS.5,64). Besides, it was found a prevalence of depression of 18,6%. This prevalence was higher in the women (20%) and elderly between 70 and 79 years old (18%), adults with low education with 43% or 22% in economically dependent people. A relationship between depression and five psychosocial risk factors, known as adverse life events-insomnia, living alone, suffering a chronic disease or economic crisis or the death of the couple, a close friend or a relative. Conclusion: results showed a higher prevalence of depression in this sample in comparison to the findings yielded in previous studies developed in Colombia and the WHO. Programs that help to reduce the long lines protect women and older with less schooling ageing could mitigate the condition.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Depresión]]></kwd>
<kwd lng="es"><![CDATA[adulto mayor]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[prevalencia]]></kwd>
<kwd lng="es"><![CDATA[sueño]]></kwd>
<kwd lng="es"><![CDATA[acontecimientos vitales adversos]]></kwd>
<kwd lng="en"><![CDATA[Depression]]></kwd>
<kwd lng="en"><![CDATA[elderly]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
<kwd lng="en"><![CDATA[prevalence]]></kwd>
<kwd lng="en"><![CDATA[sleep]]></kwd>
<kwd lng="en"><![CDATA[adverse life events]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="verdana" size="2">       <p><b>Trabajo original</b></p>      <p align="center"><font size="4"><b>Prevalencia y factores de riesgo psicosociales de la depresi&oacute;n en un grupo de adultos mayores en Bogot&aacute;</b></font></p>     <p align="center"><font size="3"><b>Prevalence and psychosocial risk factors of depression in a group of older adults in Bogota</b></font></p>      <p align="center">Ana M. Salazar (1), Mar&iacute;a F. Reyes (1), Sandra J. Plata (2), Paula Galvis (2), Camila Montalvo (2), Erick S&aacute;nchez (2), Olga L. Pedraza (2), Paola G&oacute;mez (3), Diana Pardo (3), Jonathan R&iacute;os (3)</p>      <p>(1) Profesores, Facultad de Psicolog&iacute;a, Universidad El Bosque. Bogot&aacute;, Colombia.    <br> (2) Grupo Interdisciplinario de Memoria, Hospital Infantil Universitario de San Jos&eacute; (HIUSJ). Profesores, Facultad de Medicina, Fundaci&oacute;n Universitaria de Ciencias de la Salud (FUCS). Bogot&aacute;, Colombia.    <br> (3) Estudiantes de X semestre, Facultad de Psicolog&iacute;a, Universidad El Bosque. Bogot&aacute;, Colombia.</p>      <p>Recibido: 10/07/14. Aceptado: 9/04/15.     <br> Correspondencia: Ana Mar&iacute;a Salazar M.: <a href="mailto:salazarana@unbosque.edu.co">salazarana@unbosque.edu.co</a></p>  <hr>     ]]></body>
<body><![CDATA[<p><font size="3"><B>Resumen</b></font></p>      <p><b>Introducci&oacute;n: </B>la depresi&oacute;n es una enfermedad de alta prevalencia en adultos mayores. En Colombia su prevalencia se ha descrito entre 1,2 a 12% en mayores que viven en comunidad.</p>      <p><B>Objetivo: </B>estimar la prevalencia de depresi&oacute;n en un muestra de adultos mayores de Bogot&aacute; y describir los factores de riesgo psicosocial asociados.</p>      <p><B>Material y m&eacute;todos:</B> se realiz&oacute; un estudio de corte transversal observacional-descriptivo, en 889 adultos mayores aut&oacute;nomos. La depresi&oacute;n fue evaluada con el test de depresi&oacute;n geri&aacute;trica Yesavage y los factores de riesgo con la secci&oacute;n de acontecimientos vitales del cuestionario Predict.</p>      <p><B>Resultados:</B> el 74% de la muestra estuvo constituida por mujeres, la media de edad fue de 72,51 (DS 9,4) a&ntilde;os y la escolaridad promedio en a&ntilde;os fue de 7,50 (DS 5,64). As&iacute; mismo, se estim&oacute; una prevalencia de depresi&oacute;n del 18,6%, siendo mayor en mujeres (20%) y (18%) en sujetos entre 70 y 79 a&ntilde;os, los adultos con baja escolaridad sumaron un 43%, y el 22% lo constituyeron personas dependientes econ&oacute;micamente. Por otra parte, se encontr&oacute; relaci&oacute;n entre la depresi&oacute;n y cinco de los factores de riesgo psicosocial conocidos como acontecimientos vitales adversos: insomnio, vivir solo, padecer enfermedades cr&oacute;nicas, haber sufrido una crisis econ&oacute;mica, y la muerte de un familiar o amigo cercano en el &uacute;ltimo a&ntilde;o.</p>      <p><B>Conclusi&oacute;n:</B> la prevalencia de depresi&oacute;n en un grupo de personas mayores de la comunidad en Bogot&aacute; es m&aacute;s alta que lo descrito previamente en Colombia y por la Organizaci&oacute;n Mundial de la Salud (OMS). Programas que reduzcan la soledad en la vejez y protejan a la mujer y a los mayores con menos escolaridad podr&iacute;an mitigar esta condici&oacute;n.</p>      <p><b>Palabras clave:</b> Depresi&oacute;n, adulto mayor, factores de riesgo, prevalencia, sue&ntilde;o, acontecimientos vitales adversos. (DECS).</p>  <hr>     <p><font size="3"><B>Summary</b></font></p>      <p><b>Introduction:</B> depression is one of the most prevalent diseases in the elderly. In Colombia, the prevalence of depression in this population ranges from 1,2 to 12%.</p>      <p><B>Objective:</B> to estimate the prevalence of depression in a group of independent elderly subjects in Bogota and describe the psychosocial risk factors associated with it.</p>      ]]></body>
<body><![CDATA[<p><B>Material and methods:</B> a cross-observational and descriptive study was done. The sample was constituted of 889 autonomous elderly subjects of Bogota city. Depression was assessed by applying the Test of Geriatric Depression-Yesavage-. Besides, the psychosocial risk factors were measured through the life events section, which is part of the Predict Questionnaire.</p>      <p><b>Results:</b> 74% of the sample was made up of women, the mean age was 72,51 years old (DS.9,4) and the average of education was of 7.50 years (DS.5,64). Besides, it was found a prevalence of depression of 18,6%. This prevalence was higher in the women (20%) and elderly between 70 and 79 years old (18%), adults with low education with 43% or 22% in economically dependent people. A relationship between depression and five psychosocial risk factors, known as adverse life events-insomnia, living alone, suffering a chronic disease or economic crisis or the death of the couple, a close friend or a relative.</p>      <p><b>Conclusion:</b> results showed a higher prevalence of depression in this sample in comparison to the findings yielded in previous studies developed in Colombia and the WHO. Programs that help to reduce the long lines protect women and older with less schooling ageing could mitigate the condition.</p>      <p><b>Key words.</b> Depression, elderly, risk factors, prevalence, sleep, adverse life events. (MeSH).</p>  <hr>     <p><b><font size="3">Introducci&oacute;n</font></b></p>      <p>El envejecimiento de la poblaci&oacute;n se ha convertido en un problema de salud p&uacute;blica por su gran aumento. En Colombia, en un lapso de veinte a&ntilde;os, la pir&aacute;mide poblacional se ha invertido, mostrando un incremento de los mayores en comparaci&oacute;n con los j&oacute;venes (1). El Departamento Administrativo Nacional de Estad&iacute;sticas (DANE, 2013) asegura que en el a&ntilde;o 2020 habr&aacute; en el pa&iacute;s cerca de 6.500.000 personas mayores, con aumento del 39,2% respecto de lo calculado en 2011, siendo Bogot&aacute; la ciudad de mayor incidencia, con un 55% (1). Esta tendencia se observa en todo el mundo con variaciones regionales (2).</p>      <p>La poblaci&oacute;n de viejos presenta tasas m&aacute;s altas de morbilidad y discapacidad. La OMS describi&oacute; que m&aacute;s del 50% padecen alg&uacute;n trastorno mental incapacitante (3), siendo la demencia y la depresi&oacute;n los m&aacute;s comunes (3, 4). Se ha estimado una incidencia anual del 0,15% (5), mientras que en atenci&oacute;n primaria cerca del 10% presentan depresi&oacute;n cl&iacute;nica (6, 7).</p>      <p>La depresi&oacute;n en adultos mayores se manifiesta de manera insidiosa, con menor intensidad en sus s&iacute;ntomas; los profesionales de la salud y los pacientes tienen dificultades para identificarla; se confunde con enfermedades como: hipotiroidismo (50%), infarto del miocardio (45%), diabetes (8-28%), enfermedad de Alzheimer (60%), enfermedad cerebrovascular (26-50%), y deficiencia de &aacute;cido f&oacute;lico o vitamina B12 (8-11). Es asociada con alta mortalidad, dado que disminuye la expectativa de vida en cerca de 2,2 a&ntilde;os, afectando el funcionamiento f&iacute;sico y social, y mayor autoabandono (2,12-15).</p>      <p>Estimar la prevalencia de depresi&oacute;n en la vejez es especialmente dif&iacute;cil. Hawtorne et al. (2011) refirieron que los estudios de cohortes muestran un aumento de la depresi&oacute;n en el tiempo, que no se evidencia en los estudios de corte transversal (15). En el metaan&aacute;lisis de Barua et al. (2010) se incluyeron estudios publicados entre 1955 y 2005 de corte transversal, de Asia, Europa, Australia y Am&eacute;rica, estimando una prevalencia mundial de depresi&oacute;n de 10,3% (16). El estudio Share realizado en el Reino Unido describi&oacute; prevalencias desde 18% en Dinamarca hasta 36% en Espa&ntilde;a (17). Y pa&iacute;ses como Chile, M&eacute;xico y Cuba refieren prevalencias menores del 11 y 15% (18-21). Por el contrario, estudios longitudinales revelan prevalencias m&aacute;s altas. En Australia la depresi&oacute;n en mayores vari&oacute; del 1,1% al 34 % en pocos a&ntilde;os de seguimiento (22).</p>      <p>Los instrumentos utilizados para la medici&oacute;n de depresi&oacute;n parecen influir en la estimaci&oacute;n de casos reportados. Estudios con encuestas como instrumento diagn&oacute;stico muestran prevalencias m&aacute;s bajas que los que utilizaron cuestionarios cl&iacute;nicos para la depresi&oacute;n. El estudio con encuestas de Byers et al. (2010) estim&oacute; una prevalencia de 5% en Estados Unidos (23). En China es de 1,5% a 2,9% (24) y en Colombia de 1,2% a 9,4% (25). Por otro lado, la poblaci&oacute;n institucionalizada muestra un aumento de depresi&oacute;n en m&aacute;s del doble de lo descrito en personas de la comunidad (26). Varios estudios denotan cifras de hasta 42% en personas institucionalizadas y de 5,9% a 44,5% en personas hospitalizadas (27). Casi un tercio de los usuarios de centros geri&aacute;tricos presenta depresi&oacute;n (28-31).</p>      ]]></body>
<body><![CDATA[<p>En Colombia hay pocas investigaciones sobre prevalencia de la depresi&oacute;n del adulto mayor en comunidad (25, 32). Nuestro estudio busca describir la prevalencia de depresi&oacute;n y sus factores de riesgo psicosociales en una muestra de adultos mayores residentes en Bogot&aacute;.</p>      <p><b><font size="3">Materiales y  M&eacute;todos</font></b></p>      <p>Este trabajo es de corte transversal, observacional-descriptivo; se realiz&oacute; en Bogot&aacute; como parte de la investigaci&oacute;n "Prevalencia y caracterizaci&oacute;n de la demencia y el deterioro cognitivo leve (DCL), en personas mayores de Bogot&aacute; (2012-2014)";, llevado a cabo por el Grupo de Neurociencias de la Fundaci&oacute;n Universitaria de Ciencias de la Salud (FUCS) y la Facultad de Psicolog&iacute;a de la Universidad El Bosque, con aprobaci&oacute;n de los Comit&eacute;s de &Eacute;tica de las dos instituciones.</p>      <p><B>Poblaci&oacute;n</B></p>      <p>La muestra se compuso de 839 adultos mayores de 60 a&ntilde;os, un 74% mujeres. La edad media fue de 72,51 (DS 9,4) y la escolaridad promedio en a&ntilde;os fue de 7,50 (DS 5,64). Se incluyeron personas independientes y aut&oacute;nomas de la comunidad y se excluyeron personas en situaci&oacute;n de desplazamiento, grupos ind&iacute;genas o institucionalizados.</p>      <p><B>Instrumento y estrategias de evaluaci&oacute;n</B></p>      <p>Se utiliz&oacute; la escala abreviada de tamizaje para depresi&oacute;n geri&aacute;trica Yesavage (Edgay), desarrollada por Yesavage y Brink en 1982 y validada en Colombia. Esta escala se compone de quince &iacute;tems, que valoran sentimientos, actitudes, pensamientos y actividades relacionadas con la depresi&oacute;n. Su puntuaci&oacute;n va de 0 a 15: de 0 a 5 significa ausencia de depresi&oacute;n; 6 a 9, depresi&oacute;n leve a moderada, y 10 a 15, depresi&oacute;n severa (33-36).  Para la medici&oacute;n de los factores de riesgo asociados a la depresi&oacute;n se utilizaron preguntas modificadas del cuestionario Predict, en su secci&oacute;n de acontecimientos vitales adversos en los &uacute;ltimos doce meses (37, 38). El proceso evaluativo fue realizado por estudiantes de Psicolog&iacute;a y Enfermer&iacute;a de &uacute;ltimo a&ntilde;o de carrera, previamente entrenados en aspectos t&eacute;cnicos y cl&iacute;nicos de la evaluaci&oacute;n.</p>      <p><B>Procedimiento</B></p>      <p>Se invit&oacute; con carta y de manera directa a personas mayores de la comunidad. Los contactos se hicieron a trav&eacute;s de los programas de recreaci&oacute;n y turismo, cajas de compensaci&oacute;n, centros parroquiales y comunitarios de las diversas localidades de Bogot&aacute;. A cada participante, previo consentimiento informado, se le realiz&oacute; una entrevista individual, en la que se aplicaron un cuestionario sociodemogr&aacute;fico, la escala de Yesavage y el cuestionario de acontecimientos adversos modificado del Predict.</p>      <p><B>An&aacute;lisis estad&iacute;stico</B></p>      ]]></body>
<body><![CDATA[<p>Se calcularon las frecuencias de las variables sexo, edad, estado civil, escolaridad y dependencia econ&oacute;mica, seg&uacute;n los criterios de depresi&oacute;n del Yesavage. Para la asociaci&oacute;n entre los factores de riesgo se realiz&oacute; una regresi&oacute;n log&iacute;stica binaria usando el m&eacute;todo est&aacute;ndar, entre la depresi&oacute;n y los acontecimientos vitales adversos modificados del cuestionario modificado Predict. Para el an&aacute;lisis se utiliz&oacute; el paquete estad&iacute;stico SPSS 21.</p>      <p><b><font size="3">Resultados</font></b></p>      <p>Se encontr&oacute; una prevalencia de depresi&oacute;n del 18,6% (IC 99%: 15,13-22,07%); 16% (130 sujetos) se encontraban en estadio leve y moderado (puntuaciones 6-10 en la Edagy), y 3% (26 sujetos) en estadio severo (puntuaciones 11-15 en la Edagy). La prevalencia en mujeres fue de 20% (IC 99%: 16,14-24,46%) y en los hombres de 13% (IC 99%: 7,10-18,59%). Se encontr&oacute; mayor tendencia a la depresi&oacute;n en el grupo de adultos entre 70-79 a&ntilde;os, viudos o solteros, y en sujetos con m&aacute;s baja escolaridad y/o dependencia econ&oacute;mica (<a href="#t1">Tabla 1</a>).</p>      <p>    <center><a name="t1"><img src="img/revistas/anco/v31n2/v31n2a08t1.jpg"></a></center></p>      <p>Tambi&eacute;n se estableci&oacute; la relaci&oacute;n (OR) entre la depresi&oacute;n y los factores de riesgo (FR) y la protecci&oacute;n (FP) psicosocial, del cuestionario modificado Predict (<a href="#t2">Tabla 2</a>).</p>      <p>    <center><a name="t2"><img src="img/revistas/anco/v31n2/v31n2a08t2.jpg"></a></center></p>      <p>Se encontr&oacute; que cinco de los nueve factores analizados se asociaron significativamente a la presencia de depresi&oacute;n. El no trabajar, el haberse jubilado o quedarse sin empleo en el &uacute;ltimo a&ntilde;o no se asociaron significativamente con la presencia de depresi&oacute;n. El riesgo mayor se observ&oacute; con la presencia de crisis econ&oacute;mica, haber sufrido alguna enfermedad cr&oacute;nica o lesi&oacute;n grave el &uacute;ltimo a&ntilde;o. Se encontraron factores protectores significativos, como tener familiares y amigos que cuidan de la persona mayor o que la hacen sentirse querida.</p>      <p>Se efectu&oacute; una regresi&oacute;n log&iacute;stica para identificar si existe relaci&oacute;n entre sexo, factores riesgo y presencia de depresi&oacute;n. El ser mujer se asoci&oacute; positivamente con todos los factores de riesgo, y con mayor depresi&oacute;n que en el hombre (<a href="#t3">Tabla 3</a>).</p>      ]]></body>
<body><![CDATA[<p>    <center><a name="t3"><img src="img/revistas/anco/v31n2/v31n2a08t3.jpg"></a></center></p>      <p><b><font size="3">Discusi&oacute;n</font></b></p>      <p>La prevalencia de depresi&oacute;n descrita en este estudio (18,6%), es superior a la reportada de un 7% por la OMS (2013) (3). En los pa&iacute;ses latinoamericanos, Brasil describe una prevalencia similar, con 19,2% (39), mientras que Cuba, Chile y M&eacute;xico refieren prevalencias entre 9,2-11.2% (18, 40, 41). En Colombia la Encuesta Nacional de Demograf&iacute;a y Salud (ENDS, 2012), utilizando la escala autoaplicada de Zung (42), estim&oacute; una prevalencia de 9,5% (25), mientras que la Encuesta Multinacional de Salud (2004), bajo los criterios diagn&oacute;sticos del DSM-IV y del CIE-10 la describe en 10,9% (31). La variabilidad en las prevalencias descritas depende en parte de criterios e instrumentos utilizados, como lo detallan Guerra et al. (2009) en su estudio multic&eacute;ntrico con adultos mayores mexicanos, peruanos y venezolanos, se&ntilde;alando estimaciones cinco veces menores con los criterios del DSM-IV y el CIE-10 con relaci&oacute;n al uso de instrumentos como el EURO-D y el GMS-AGECAT (43).</p>      <p>En cuanto a los factores de riesgo, la encuesta de salud de los Estados Unidos (Nhanes, 2008-2014) mostr&oacute; la relaci&oacute;n variable entre la depresi&oacute;n en poblaci&oacute;n general con la edad, sexo, estado socioecon&oacute;mico y baja escolaridad (44-45), mientras que otros estudios asocian factores como soledad, institucionalizaci&oacute;n y enfermedad (46-48). La depresi&oacute;n encontrada en la mujer coincide con descripciones previas de la literatura (49-51), en las que se ha atribuido a condiciones socioculturales, psicol&oacute;gicas y biol&oacute;gicas propias del sexo femenino (50, 51). La baja escolaridad y la dependencia econ&oacute;mica tambi&eacute;n muestran una tendencia mayor de depresi&oacute;n (52-55). Algunos estudios proponen que a menor escolaridad, menos herramientas cognitivas para el manejo del estr&eacute;s y la depresi&oacute;n (56, 57), mientras que la independencia econ&oacute;mica podr&iacute;a ser un factor protector para la depresi&oacute;n (58).</p>      <p>Adem&aacute;s, este an&aacute;lisis sugiri&oacute; que 19% de los sujetos ten&iacute;an historia de depresi&oacute;n y 87,7% hab&iacute;an vivido al menos un AVA (Acontecimientos Vitales Adversos) en el &uacute;ltimo a&ntilde;o, lo cual coincide con lo descrito por otros estudios (59-61). Sin embargo, no existe una conclusi&oacute;n clara referente a estos aspectos (62-65). Finalmente, se identific&oacute; una relaci&oacute;n entre el insomnio y la depresi&oacute;n. Algunos autores describen que los pacientes con insomnio persistente sufren entre 1,8 a 3.5% m&aacute;s riesgo de depresi&oacute;n que aquellos sin problemas de sue&ntilde;o (66-69).</p>      <p>Entre las limitaciones del estudio se encuentra que no se cont&oacute; con una distribuci&oacute;n homog&eacute;nea en las variables y solo se realiz&oacute; la aplicaci&oacute;n de un instrumento de tamizaje que, a pesar de tener alta sensibilidad y especificidad (70), podr&iacute;a generar subestimaci&oacute;n en el diagn&oacute;stico (71, 72); no obstante, los resultados muestran que la depresi&oacute;n es una condici&oacute;n a&uacute;n m&aacute;s frecuente de lo descrito previamente en adultos mayores de la comunidad y que afecta principalmente a las mujeres.</p>      <p><b><font size="3">Conclusi&oacute;n</font></b></p>      <p>La prevalencia de depresi&oacute;n en el grupo estudiado es del 18,6%, siendo la mujer m&aacute;s vulnerable, y los sujetos con edad entre los 70-79 a&ntilde;os con baja escolaridad o que han sufrido un AVA en el &uacute;ltimo a&ntilde;o. Promover una cultura de protecci&oacute;n del adulto mayor con una mayor conciencia del autocuidado de la salud nos ayudar&aacute; como sociedad a enfrentar la epidemia de envejecimiento de la poblaci&oacute;n colombiana, al igual que proveerle una mejor calidad de vida.</p>      <p><B>Conflicto de intereses</B></p>      ]]></body>
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<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<collab>DEPARTAMENTO ADMINISTRATIVO NACIONAL DE ESTADÍSTICAS (DANE)</collab>
<article-title xml:lang="es"><![CDATA[Boletín de Prensa Censo 2005. Estudios demográficos del DANE: distribución espacial de la vejez en Colombia]]></article-title>
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