Risk factors and predictors of induced abortion: a population-based study

Cadernos de saúde pública
Maria Teresa Anselmo Olinto, Djalma de Carvalho Moreira-Filho

Abstract

This study aimed to identify key risk factors and predictors of induced abortion. A cross-sectional population-based study was conducted with a representative sample of 3,002 women 15 to 49 years of age in southern Brazil, randomly assigned to answer questions on induced abortion using either the ballot-box method or the indirect questioning method. Socioeconomic, demographic, and reproductive data were obtained through a pre-coded questionnaire. Data analysis used epidemiological statistical inferences and Bayes' theorem to calculate a posteriori probability. Induced abortion was strongly associated with fetal loss for all age groups. In adolescents, the main predictors were low socioeconomic level, low schooling, elevated school drop-out, and knowledge of a large number of contraceptive methods. For all other women, socioeconomic characteristics and skin color were not associated with abortion. For women aged 20 to 49 years, marital status and reproductive characteristics, including knowledge of contraceptive methods, were the most frequent risk factors and predictors of induced abortion.

References

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Jun 26, 2001·Reproductive Health Matters·A C Guedes
Jun 5, 2003·International Journal of Epidemiology·Yuelian SunWeijin Zhou
Jul 29, 2003·Journal of Epidemiology and Community Health·S SihvoM Kaminski
Aug 2, 2003·Studies in Family Planning·Clémentine Rossier
Jul 3, 2004·Revista Panamericana De Salud Pública = Pan American Journal of Public Health·Maria Teresa Anselmo Olinto, Djalma de Carvalho Moreira Filho
Oct 30, 2004·Journal of Obstetrics and Gynaecology : the Journal of the Institute of Obstetrics and Gynaecology·W ZhouS Sabroe

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Citations

Aug 18, 2009·Cadernos de saúde pública·Greice Menezes, Estela M L Aquino
Oct 23, 2010·Revista da Escola de Enfermagem da U S P·Karla Silva da RamosAriani Impieri de Souza
Mar 18, 2011·Revista de saúde pública·Ruth Khalili FriedmanBeatriz Grinsztejn
Aug 9, 2012·Ciência & saúde coletiva·Wilza Vieira VillelaLuzia Aparecida de Oliveira
May 18, 2013·Revista brasileira de epidemiologia = Brazilian journal of epidemiology·Carla Jorge MachadoMark Drew Crosland Guimarães
Aug 9, 2012·Ciência & saúde coletiva·Alberto Pereira Madeiro, Andréa Cronemberger Rufino
Feb 13, 2020·Cadernos de saúde pública·Greice M S MenezesRosa Maria Soares Madeira Domingues
Feb 14, 2014·BMC Women's Health·Ellen M H MitchellCarolyn Tucker Halpern
Aug 15, 2014·Revista de saúde pública·Francisco Rogerlândio Martins-MeloJorg Heukelbach
Sep 2, 2009·Ciência & saúde coletiva·Regina Maria BarbosaTirza Aidar
Dec 5, 2012·Reproductive Health Matters·Regina M BarbosaWilza V Villela
Feb 23, 2011·Cadernos de saúde pública·Fernanda Maria Bezerra de MelloJosé Natal Figueroa

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