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  • Title: A prospective cohort study on the survival experience of under five children in rural western India.
    Author: Hirve S, Ganatra B.
    Journal: Indian Pediatr; 1997 Nov; 34(11):995-1001. PubMed ID: 9567529.
    Abstract:
    OBJECTIVE: To study the role of birth weight, nutrition, immunization and other medical as well as social factors in determining child survival. DESIGN: A prospective cohort study. SETTING: 45 villages in Shirur Development Block in Pune District in Maharashtra. METHODS: A cohort of 4129 children were followed from birth till 5 years of age. Weight and length/height of the child was measured at birth and at 3 monthly home visits. Information was also obtained on common childhood morbidities, immunization status and other bio-medical factors. Cause of death was ascertained by verbal autopsy. RESULTS: The neonatal, infant and underfive mortality was rates were estimated to be 37, 60 and 79 per 1000 live births, respectively. Diarrhea and ARI contributed to the major mortality burden. The Kaplan Meier Survival curve showed a sharp fall in the neonatal period, a less rapid decline in the post-neonatal period followed by a marginal fall in the post-infancy period till 5 years age. Girls had a better survival in the early neonatal period but the trend reversed in the late neonatal period. Normal birth weight children had better survival curves compared to low birth weight children. Survival improved with increasing birth order. Multivariate analysis revealed that birth weight, immunization status, and mother's and child's nutritional status influenced infant and under five mortality. CONCLUSION: Birth weight continues to exert its influence not only on survival/mortality in early life but even as late as 5 years of age. Strategies to improve child survival should include immunization and breastfeeding. Findings are presented from a prospective study conducted in 45 villages in Shirur Development Block in Pune District, Maharashtra, to gain insight into the role of birth weight, nutrition, immunization, and other medical and social factors in determining child survival. 4129 children were followed from birth until age 5 years, with child weight and length/height measured at birth and at 3 monthly home visits. Information was also obtained on common childhood morbidities, immunization status, and other biomedical factors, and the cause of death was ascertained through verbal autopsy. The neonatal, infant, and under-five mortality rates were estimated to be 37, 60, and 79 per 1000 live births, respectively. Diarrhea and acute respiratory infections (ARI) contributed to the major mortality burden. The Kaplan Meier Survival curve showed a sharp fall in the neonatal period, a less rapid decline during the post-neonatal period, followed by a marginal fall in the post-infancy period until age 5 years. Girls had a better survival during the early neonatal period, but the trend reversed during the late neonatal period. Normal birth weight children had better survival curves compared to low birth weight children. Survival improved with increasing birth order. Multivariate analysis found that birth weight, immunization status, and mother's and child's nutritional status influenced infant and under-five mortality. Since birth weight continues to influence survival and mortality even up to age 5 years, strategies to improve child survival should include immunization and breast-feeding.
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