Rocha Clarissa Lisbôa Arla da, Horta Bernardo L, Pinheiro Ricardo Tavares, Cruzeiro Ana Laura Sica, Cruz Suelen
Escola de Medicina, Universidade Católica de Pelotas, Rua Almirante Barroso 1202, Pelotas, RS 96010, Brazil.
Cad Saude Publica. 2007 Dec;23(12):2862-8. doi: 10.1590/s0102-311x2007001200007.
This study aimed to assess the prevalence of contraceptive use by adolescents. A cross-sectional study was performed from March to September 2002 in a representative sample of adolescents 15 to 18 years of age in the urban area of Pelotas, Rio Grande do Sul State, Brazil. Multiple-stage sampling was used, and in the 448 census tracts located in the urban area, 90 were sampled and households were visited in each tract. Information was collected on sexual initiation and use of contraceptive methods. Chi-square test was used to compare proportions. The sample included 960 adolescents. 88% of subjects reported the use of any contraceptive method. Condoms were the most commonly used method (63.2%). Low adolescent schooling was the only variable associated with increased risk of non-use of contraceptives. Condom use was higher among males, adolescents whose mothers had 9 or more years of schooling, and those reporting several sexual partners in the previous year. Condoms were the most commonly used contraceptive method.
本研究旨在评估青少年使用避孕药具的流行情况。2002年3月至9月，在巴西南里奥格兰德州佩洛塔斯市区15至18岁青少年的代表性样本中进行了一项横断面研究。采用多阶段抽样，在市区的448个人口普查区中，抽取了90个区，并对每个区的家庭进行了走访。收集了关于首次性行为和避孕方法使用的信息。采用卡方检验比较比例。样本包括960名青少年。88%的受试者报告使用了任何避孕方法。避孕套是最常用的方法（63.2%）。青少年受教育程度低是与不使用避孕药具风险增加相关的唯一变量。男性、母亲受教育年限为9年或以上的青少年以及报告前一年有多个性伴侣的青少年使用避孕套的比例较高。避孕套是最常用的避孕方法。
