Abstract
BackgroundAs reported by the World Health Organization, adolescent pregnancy is a major public health concern given its impact on the life of mothers and their family members. In this study we investigated possible cause-effect relations between teenage pregnancy and school dropout, and other attributes that gravitate around them, using the Bayesian network approach.MethodsWe used a database prepared by the Adolescent House Project and invited experts in the areas of Health, Education and Social Assistance to answer a survey containing questions aimed at detecting possible causal relationships. To perform the statistical analysis and the numerical simulations we employed the language and formalism of Bayesian networks.ResultsThe analysis indicated a strong cause-effect relation between teenage pregnancy and school dropout, bolstered by economic vulnerability. We were able to identify the profile of the female teenager who drops out from school: white girls older than 15 years who got pregnant at least once, are not working to generate an income, and who belong to the group where the family income is less than or equal to US$780 per month. Also we detected the “maternal impact factor", i.e., the effect caused by whether or not the mothers of the teenagers have experienced teenage pregnancy.ConclusionThere are many factors that lead teenagers to drop out of school; we confirmed not only the commonsense notion that pregnancy of the teenager is a major factor but found that a history of teenage pregnancy on the part of the mother is a major factor. Moreover, Bayesian networks emerged as an interesting mathematical framework to perform the statistical analysis.
Highlights
As reported by the World Health Organization, adolescent pregnancy is a major public health concern given its impact on the life of mothers and their family members
One can note that most teenagers are older than 15 years, suffering from economic vulnerability and without a regular job
Teenage pregnancy and school dropout are, problems faced by a huge portion of the world population
Summary
As reported by the World Health Organization, adolescent pregnancy is a major public health concern given its impact on the life of mothers and their family members. The big picture It is well known that teenage pregnancy has varied negative impacts on teenager life, on health, and, among others, on self esteem and on social and educational experience. It is a commonsense observation that one of the many possible impacts of unplanned teenage pregnancy is school dropout [8,9,10] Such a complex phenomenon requires a detailed statistical analysis as there are several social/economic/health interacting variables whose spurious correlations and false cause-effect relations must be avoided. This can lead to a lack of distinction between correlations and possible causal relationships
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