Prevalence and sociodemographic characteristics of women with induced abortion in a population sample of São Paulo, Brazil

Revista Brasileira de Epidemiologia

Andreoni, Solange A.¹  Silva, Rebeca de Souza e¹  Fusco, Carmen L. B.¹  Souza, Milena Goulart¹ 

[1]Universidade Federal de São Paulo, São Paulo, Brazil

关键词: Abortion;    Induced abortion;    Epidemiology;    Public Health;    Reproductive Health;    Prevalence Ratio;   

DOI  :  10.1590/1809-4503201400020002ENG

学科分类：过敏症与临床免疫学

来源: SciELO

【 摘 要 】

Objectives: This study aims at estimating the prevalence of women with induced abortion among women of childbearing age (15-49 years) who had any previous pregnancy, in the city of Sao Paulo, Brazil, in the last quarter of 2008, and identifying the sociodemographic characteristics (SC) associated with it.Methods: A cross-sectional survey was carried out. The dependent variable was dichotomized as: no abortion and induced abortion. The independent variables were: age, paid work/activity, familial monthly income, schooling, marital status, contraceptive use and number of live births. Statistical analysis was performed using log-binomial regression models with approximation of Poisson to estimate the prevalance ratios (PR).Results: Of all women with any previous pregnancy (n = 683), 4.5% (n = 31) reported induced abortion. The final multivariate model showed that having now between 40 and 44 years (PR = 2.76, p = 0.0043), being single (PR = 2.79, p = 0.0159), having 5 or more live births (PR = 3.97, p = 0.0013), current oral contraception or IUD use (PR = 2.70, p = 0.454) and using a "non effective" (or of low efficacy) contraceptive method (PR = 4.18, p = 0.0009) were sociodemographic characteristics associated with induced abortion in this population.Conclusions: Induced abortion seems to be used to limit fertility, more precisely after having reached the desired number of children. The inadequate use or non-use of effective contraceptive methods, and / or the use of contraceptives " non effective", exposed also the women to the risk of unintended pregnancies and, therefore, induced abortions. In addition, when faced with a pregnancy, single women were more likely to have an abortion than married women.

【 授权许可】

Unknown