Vitamin A Supplementation and Stunting Levels among Two Year Olds in Kenya: Evidence from the 2008-09 Kenya Demographic and Health Survey

Abstract

Objectives: Further analysis of KDHS 2008/09. Methods: The study uses data from the 2008-09 Kenya Demographic and Health Survey, involving children aged 24-35 months, a weighted sample of 1029 children. Descriptive and logistic regression analyses were conducted. The outcome variable of interest is stunting, while the exposure variable of interest is ever receiving a dose of vitamin A supplement. Secondary outcomes include underweight and wasting status. Results: The prevalence of stunting in the study group was 46%; underweight 20%; and wasting 6%. The prevalence of ever receiving vitamin A supplement was 78%. Receiving vitamin A supplement was significantly negatively associated with stunting and underweight status, adjusting for other co-risk factors. The odds of stunting were 50% higher (p=0.038), while for underweight were 75% higher (p=0.013) among children who did not receive Vitamin A supplement compared with those who did. Conclusions: This study demonstrates that receiving vitamin A supplement may be beneficial to growth of young children in Kenya. However, though freely offered through immunization services to children 6-59 months, some children do not receive it, particularly after completing the immunization schedule. There is need to establish innovative and effective ways of maximizing utilization of this intervention.