Birth interval and its predictors among married women in Dabat District, Northwest Ethiopia: A retrospective follow up study

Gizachew Assefa Tessema, Berihun Megabiaw Zeleke, Tadesse Awoke Ayele


Birth intervals (time between two successive live births) if short are associated with diverse complications. We assessed birth interval and its predictors among 613 married women who gave birth from January 1 to December 30, 2008. Data were collected in April 2012. Life table and Kaplan-Meier curve were used to estimate cumulative probabilities and median birth interval, respectively. Log rank test was employed to compare survival between categories of explanatory variables. Cox-proportional hazards model was fitted to compute hazard ratios with their 95% confidence intervals. Median birth interval was 32.6 months (95%CI: 31.2-34.1). The cumulative probabilities of survival at 12, 24, and 36 months were 0.97, 0.82 and 0.56 respectively. Death of the index child (AHR=3.12), contraceptive non use (AHR=4.29) and husband’s education (AHR=2.20) were significant predictors. Birth interval was short. Contraceptive use and paternal education should be given greater attention in addition to prevention of infant and child mortality. (Afr J Reprod Health 2013; 17[2]: 39-45).


Si les intervalles entre les naissances (période entre deux naissances vivantes successives) sont courts, ils sont associés à des complications diverses. Nous avons évalué l’intervalle entre les naissances et ses indices chez les 613 femmes mariées qui ont donné naissance à partir du janvier 1 au 30 décembre 2008.  Les données ont été recueillies en avril 2012. Des  tables de mortalité et de Kaplan-Meier ont été utilisées pour estimer les probabilités cumulées et l'intervalle médian à la naissance, respectivement. Le Test du log rank a été utilisé pour comparer la survie entre les catégories de variables explicatives. Le modèle Cox- à risques proportionnels a été équipé pour calculer les ratios de risque et leurs intervalles de confiance à 95%. L’intervalle médian était de 32,6 mois (95% CI: 31.2 à 34.1). Les probabilités cumulées de survie à 12, 24, et 36 mois étaient de 0,97, 0,82 et 0,56 respectivement. La mort de l'enfant indice (AHR = 3,12), de la  non utilisation de la contraception (AHR = 4,29) et de l'éducation du mari (AHR = 2,20) étaient des indices significatifs. L’intervalle entre les naissances était court. L'utilisation du contraceptif et l'éducation paternelle devraient être accordées une plus grande attention, y compris la prévention de la mortalité infantile et juvénile. (Afr J Reprod Health 2013; 17[2]: 39-45).


Keywords : Birth interval, Married women, Retrospective follow up, Ethiopia

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