Survival Analysis of Time to Uptake of Modern Contraceptive among Women in Ethiopia
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Date
2021-10-27
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Addis Ababa University
Abstract
Contraceptive methods are one of the most important health interventions of the 21st century is crucial in reducing rapid population growth and improving women and family health. Contraceptive methods have now become a worldwide issue in general and developing countries in particular. The study was used to identify the factors associated with time to use of modern contraceptive methods among women in Ethiopia. The data used for the study were based on EDHS (2016) obtained from CSA. The Kaplan-Meier survival function and Log-Rank test were used to describe and compare the survival experience of different category of participants. In order to identify the associated risk factors of time to use modern contraceptive methods parametric survival model with frailty was employed and compared by using AIC and log-likelihood ratio test. The result of the study shows that from a total of 7,890 women, about 1,061(13.45%) used modern contraceptive methods while 6829 (86.55%) didn’t use modern contraceptive methods. Among the fitted frailty models, Weibull regression survival model with Gamma frailty model was an appropriate fit of time to use modern contraceptive methods. Compared to the none frailty survival models the estimated frailty model which accounts for unobservable regional heterogeneity were more appropriate to fit time to use modern contraceptive method among the regions of Ethiopia. Furthermore, using the selected frailty model results, the independent variables age, place of residence, wealth index, educational status and awareness information from TV were identified as risk factors associated with time to use modern contraceptive method at 5% level of significance.
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Survival Analysis, Time to Uptake, Modern Contraceptive, Among Women, Ethiopia