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Revista Cubana de Salud Pública

versión impresa ISSN 0864-3466versión On-line ISSN 1561-3127


DIAZ DIAZ, Elva; ALVAREZ VAZQUEZ, Luisa  y  FARNOT CARDOSO, Ubaldo. Factores de riesgo demográficos y sociales del aborto. Rev Cubana Salud Pública [online]. 2001, vol.27, n.1, pp.26-35. ISSN 0864-3466.

Using the available information on all the women that went to the doctor´s to take care of their pregnancies in the City of Havana from 1996 to 1997, it was determined that 7.7% of these pregnancies ended in an abortion. The objective of this study is to contribute to search for the determining abortion factors in these females. The large sample (5 413 females) had the characteristic of being made up of all the pregnant females recorded in 12 polyclinics for 18 months. For studying the abortion risk factors, firstly, an univariate statistical analysis was made from which the crude relative abortion risks of each factor were collected. Then to allow for the whole effect, the Cox´s regression was used with all the variables to make it possible to obtain the net relative risks contributed by each factor. The characteristics of women whose pregnancies ended up in abortions are: living in less than 4-room houses; having less than 3 previous abortions; living with large families; being female teenagers who had lagged behind in education; or being female adults with under ten-grade schooling; being a smoker and; keeping on smoking even if they are pregnant; and being single. The adolescence factor by itself is no longer statistically significant when the confounding effect of the other factors is eliminated, that is to say, being an adolescent does not lead to abortion if there are not other accompanying factors. Lastly, we concluded among other things that factors which have been fundamental in the multifactorial study may serve as an initial base for designing a usable model for detecting pregnant women at risk of abortion.


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