<?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>2176-6223</journal-id>
<journal-title><![CDATA[Revista Pan-Amazônica de Saúde]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Pan-Amaz Saude]]></abbrev-journal-title>
<issn>2176-6223</issn>
<publisher>
<publisher-name><![CDATA[Instituto Evandro Chagas. Secretaria de Vigilância em Saúde e Ambiente. Ministério da Saúde]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2176-62232015000300027</article-id>
<article-id pub-id-type="doi">10.5123/s2176-62232015000300004</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Início da vida sexual em adolescentes escolares: um estudo transversal sobre comportamento sexual de risco em Abaetetuba, Estado do Pará, Brasil]]></article-title>
<article-title xml:lang="en"><![CDATA[Onset of sexual intercourse among adolescent students: a cross-sectional study of sexual risk behavior in Abaetetuba, Pará State, Brazil]]></article-title>
<article-title xml:lang="es"><![CDATA[Inicio de la vida sexual en escolares adolescentes: un estudio transversal sobre el comportamiento sexual de riesgo en Abaetetuba, Estado de Pará, Brasil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Aniel de Sarom Negrão]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Beatriz Lobato Costa Negrão]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva Júnior]]></surname>
<given-names><![CDATA[Ademir Ferreira da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Márcia Cristina Freitas da]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerreiro]]></surname>
<given-names><![CDATA[João Farias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Andrea do Socorro Campos de Araújo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Pará Laboratório de Ciências Aplicadas, Instituto de Ciências Biológicas ]]></institution>
<addr-line><![CDATA[Belém Pará]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal do Pará  ]]></institution>
<addr-line><![CDATA[Belém Pará]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2015</year>
</pub-date>
<volume>6</volume>
<numero>3</numero>
<fpage>27</fpage>
<lpage>34</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_arttext&amp;pid=S2176-62232015000300027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_abstract&amp;pid=S2176-62232015000300027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iec.gov.br/scielo.php?script=sci_pdf&amp;pid=S2176-62232015000300027&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO A adolescência é uma fase da vida compreendida entre 10 e 19 anos de idade, caracterizada pelos conflitos e descobertas. Nessa fase, os adolescentes começam a viver suas primeiras experiências sexuais, podendo apresentar comportamentos com risco de infecções por DST/Aids, os quais podem ser: início precoce da vida sexual e uso inconsistente de preservativo. Este estudo teve por objetivo identificar a idade da primeira relação sexual e o uso do preservativo em adolescentes escolares de 14 a 19 anos de idade, alunos do ensino médio, matriculados na rede pública estadual no Município de Abaetetuba, Estado do Pará, Brasil, no ano de 2010. Para a coleta de dados utilizou-se um questionário com perguntas fechadas, autopreenchível, pré-codificado, anônimo, adaptado da "Pesquisa de Comportamento, Atitudes e Práticas da População Brasileira sobre DST/Aids, 2008", realizada pelo Ministério da Saúde. Para os testes estatísticos utilizaram-se os softwares STATISTICA® v.6.0 e BioEstat 5.0. Foram entrevistados 603 adolescentes, sendo 61,03% (368) mulheres e 38,97% (235) homens, com média de idade de 17,14 anos. Já havia iniciado sua vida sexual 49,25% dos adolescentes (297) com média de idade na primeira relação sexual de 15,23 anos. A iniciação sexual precoce esteve associada ao sexo masculino (OR = 3,72; IC95% 2,13-6,47; p &lt; 0,0001). O uso do preservativo na primeira relação sexual esteve associado ao gênero, sendo que as mulheres tiveram uso mais consistente nessa ocasião (OR = 2,04; IC95% 1,20-3,47; p = 0,011). Não usaram preservativo na primeira relação 27,95% dos adolescentes, sendo estes 66,26% homens. Observou-se comportamento sexual de risco na amostra estudada, em especial na população masculina.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Adolescence is a life stage from 10 to 19 years old, featured by conflicts and discoveries. In this period, teenagers begin their first sexual experiences and may have sexual risk behaviors of infection by STD/AIDS, which can be: early onset of sexual intercourse and inconsistent condom use. This study aimed to identify the age of first sexual intercourse and condom use at in school teenagers from 14 to 19 years old, high school students enrolled in public schools in the Municipality of Abaetetuba, Pará State, Brazil in 2010. A self-administered, pre-coded and anonymous questionnaire with closed questions was used for data collection, adapted from "Pesquisa de Comportamento, Atitudes e Práticas da População Brasileira sobre DST/AIDS, 2008" conducted by Brazil's Ministry of Health. For the statistical tests, the STATISTICA® v.6.0 and BioEstat v.5.0 softwares were used. 603 adolescents were interviewed, 61.03% (368) women and 38.97% (235) men, with a mean age of 17.14 years old. 49.25% of adolescents (297) had begun their sexual intercourse with a mean age at first intercourse of 15-23 years old. Early sexual initiation was associated to the male sex (OR = 3.72, CI 95% 2.13-6.47; p &lt; 0.0001). Condom use at first intercourse was associated with gender, with more consistent condom use by women (OR = 2.04, CI 95% 1.20-3.47; p = 0.011). 27.95% of adolescents did not use condom at their first intercourse, which 66.26% were men. Sexual risk behavior was observed in the sample studied, especially in the male population.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La adolescencia es una fase de la vida entre los 10 y 19 años de edad, caracterizada por conflictos y descubrimientos. En esta fase, los adolescentes comienzan a vivir sus primeras experiencias sexuales, pudiendo presentar comportamientos de riesgo para contraer infecciones por ETS/SIDA, como: inicio precoz de la vida sexual y uso irregular de preservativos. Este estudio tuvo como objetivo identificar la edad de la primera relación sexual y el uso de preservativo en esa oportunidad, en adolescentes escolares, de 14 a 19 años de edad, alumnos de secundaria, matriculados en la red pública estatal del Municipio de Abaetetuba, Estado de Pará, Brasil, en el año 2010. Para la colecta de datos se utilizó un cuestionario autoaplicable, precodificado, anónimo, adaptado de la "Investigación sobre comportamiento, actitudes y prácticas de la población brasileña sobre ETS/SIDA, 2008", realizada por el Ministerio de Salud brasileño. Para los testes estadísticos utilizamos los programas STATISTICA® v.6.0 y BioEstat v.5.0. Fueron entrevistados 603 adolescentes, de los cuales 61,03% (368) mujeres y 38,97% (235) hombres, con promedio de edad de 17,14 años. Un 49,25% (297) de los adolescentes ya había iniciado su vida sexual, con un promedio de edad en la primera relación sexual de 15,23 años. El inicio sexual precoz estuvo relacionado al sexo masculino (OR = 3,72; IC95% 2,13-6,47; p &lt; 0,0001). El uso de preservativo en la primera relación sexual estuvo asociado al género, siendo que las mujeres tuvieron un uso más regular (OR = 2,04; IC95% 1,20-3,47; p = 0,011). No usaron preservativo en la primera relación sexual 27,95% de los adolescentes, siendo estos 66,26% hombres. Se observó un comportamiento sexual de riesgo en la muestra estudiada, en especial en la población masculina.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Adolescente]]></kwd>
<kwd lng="pt"><![CDATA[Comportamento Sexual]]></kwd>
<kwd lng="pt"><![CDATA[Sexo sem Proteção]]></kwd>
<kwd lng="en"><![CDATA[Adolescent]]></kwd>
<kwd lng="en"><![CDATA[Sexual Behavior]]></kwd>
<kwd lng="en"><![CDATA[Unsafe Sex]]></kwd>
<kwd lng="es"><![CDATA[Adolescente]]></kwd>
<kwd lng="es"><![CDATA[Conducta Sexual]]></kwd>
<kwd lng="es"><![CDATA[Sexo Inseguro]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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