<?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>0034-7434</journal-id>
<journal-title><![CDATA[Revista Colombiana de Obstetricia y Ginecología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Colomb Obstet Ginecol]]></abbrev-journal-title>
<issn>0034-7434</issn>
<publisher>
<publisher-name><![CDATA[Federación Colombiana de Obstetricia y GinecologíaRevista Colombiana de Obstetricia y Ginecología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74342017000300176</article-id>
<article-id pub-id-type="doi">10.18597/rcog.2799</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de conductas sexuales de riesgo en estudiantes de primer año de pregrado de la universidad San Sebastián, Concepción, Chile, 2016: estudio descriptivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of risky sexual behaviours among first-year undergraduate students at Universidad San Sebastián, Concepción-Chile, 2016: Descriptive study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bouniot-Escobar]]></surname>
<given-names><![CDATA[Samantha Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Vigueras]]></surname>
<given-names><![CDATA[Camila Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Norambuena-Vergara]]></surname>
<given-names><![CDATA[Nathalie Rosse Mary]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinto-Ulloa]]></surname>
<given-names><![CDATA[Cindy Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Pareja]]></surname>
<given-names><![CDATA[Maritza Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad San Sebastián Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad San Sebastián Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2017</year>
</pub-date>
<volume>68</volume>
<numero>3</numero>
<fpage>176</fpage>
<lpage>185</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74342017000300176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74342017000300176&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74342017000300176&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivos: Determinar la prevalencia de conductas sexuales de riesgo en adolescentes, y compararlas según sexo en una población universitaria en Chile.  Materiales y métodos: Estudio descriptivo transversal, realizado en estudiantes de primer año de pregrado, matriculados en 2016, en una universidad privada ubicada en Concepción, Chile. Tamaño muestral: 328 sujetos; muestreo no probabilístico por conveniencia. Se midieron variables sociodemográficas, conductas sexuales de riesgo y otras conductas de caracterización sexual. Por otra parte, se compararon conductas sexuales de riesgo según sexo. Se utilizó estadística descriptiva, el análisis comparativo se realizó mediante Ji cuadrado o Exacto de Fisher.  Resultados: Se estudiaron 107 mujeres y 77 hombres. Las principales conductas sexuales de riesgo fueron el inicio de la actividad sexual antes de los 18 años (88,31 %; 74,77 % respectivamente), haber tenido más de una pareja sexual (66,24 %; 53,27 % respectivamente) y una muy baja frecuencia del uso de preservativo durante la relación en mujeres (48 %). Al comparar las conductas por sexo se observaron diferencias estadísticamente significativas entre hombres y mujeres en la edad de inicio de la actividad sexual (p = 0,022), en el número de parejas sexuales (p = 0,008) y en el uso de preservativo (p = 0,001).  Conclusiones: Más de la mitad de los estudiantes adolescentes mostraron conductas sexuales de riesgo. Estos resultados dan luces sobre la necesidad de fortalecer las políticas públicas chilenas dirigidas a la población adolescente joven, sobre todo si se considera que dentro de los objetivos estratégicos de salud chilenos se encuentran la disminución del embarazo adolescente y de las infecciones de transmisión sexual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objectives: To determine the prevalence of risky sexual behaviours in adolescents and to make a comparison by sex in a population of undergraduate students in Chile.  Materials and methods: Cross-sectional descriptive study conducted in first-year undergraduate students enrolled in 2016 in a private university in Concepción-Chile. The sample size consisted of 328 subjects, and non-probabilistic convenience sampling was used. The variables measured were sociodemographic characteristics, risky sexual behaviours and other sexual characterisation behaviours. On the other hand risky sexual behaviours were compared by sex. Descriptive statistics were used and the Chi square test or Fisher's exact test were used for the comparative analysis.  Results: Overall, 107 women and 77 men were studied. The main risky sexual behaviours were initiation of sexual activity before 18 years of age (88.31 %; 74.77 %, respectively), having had more than one sexual partner (66.24 %; 53.27 %, respectively), and a very low frequency of preservative use during intercourse in women (48 %). Comparison of behaviours by sex showed statistically significant differences between men and women in terms of the age of initiation of sexual activity (p = 0.022), the number of sex partners (p = 0.008), and preservative use (p = 0.001).  Conclusions: More than half of the adolescent students exhibited risky sexual behaviours. These results shed light on the need to strengthen public policy pertaining to the population of adolescents and young adults in Chile, in particular considering that reducing teenage pregnancy and sexually transmitted diseases is one of the strategic health goals in Chile.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adolescente]]></kwd>
<kwd lng="es"><![CDATA[conducta de riesgo]]></kwd>
<kwd lng="es"><![CDATA[conducta sexual]]></kwd>
<kwd lng="es"><![CDATA[sexo]]></kwd>
<kwd lng="es"><![CDATA[epidemiología descriptiva]]></kwd>
<kwd lng="en"><![CDATA[Adolescent]]></kwd>
<kwd lng="en"><![CDATA[risky behaviour]]></kwd>
<kwd lng="en"><![CDATA[sexual behaviour]]></kwd>
<kwd lng="en"><![CDATA[sex]]></kwd>
<kwd lng="en"><![CDATA[descriptive epidemiology]]></kwd>
</kwd-group>
</article-meta>
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