Estimating the Influence of Maternal Height on Under-Five Mortality in Nigeria

Ngozi Y. Enwerem, Augustine C. Obirieze, David M Bishai

Abstract

This study uses a nationally representative data sample to assess the effect of maternal height as an intergenerational influence on under-five mortality. Data from the 2003 and 2008 Nigerian Demographic Health Survey (NDHS) (n=41,005) selecting women aged 15 to 49yrs whose most recent births were within 5 years (n=23,568), were analyzed. The outcome measure was under-five mortality. Independent variables included maternal height categorized as ≥63inch, 61-62.9inch, 59.1-60.9inch, <59.1inch. Confounding factors were controlled for. A multivariable logistic regression was used to obtain odds ratio estimates along with their respective confidence interval. After adjusting for confounding factors, we found that each 1inch increase in maternal height, was associated with a decreased odds of mortality OR 0.98(95%CI 0.97-0.99). The OR of under-five mortality when comparing women ≥63inch versus women <59.1inch was 1.13(95%CI 0.98-1.31). The population attributable fraction of child death due to maternal short stature was 0.36. (Afr J Reprod Health 2014; 18[1]: 54-60).

 

Keywords: Under-Five Mortality, Maternal height, Intergenerational Influences.

 

Résumé 

 

utilise un échantillon représentatif échantillon de données pour évaluer l'effet de hauteur maternelle comme une influence intergénérationnelle de mortalité des enfants de moins de cinq ans. Les données de l'année 2003 et 2008 nigérian Enquête démographique et de santé (NDHS) (n=41 005 ) la sélection de femmes âgées de 15 à 49 ans dont les plus récentes naissances étaient en 5 ans (n=23 568 ), ont été analysés. La mesure des résultats était mortalité des moins de cinq ans. Variables indépendantes comprises hauteur maternelle classés comme ≥63pouces, 61 -62.9pouces, 59,1 pouces -60.9, < 59.1pouces. Facteurs de confusion ont été contrôlées. Plusieurs variables de régression logistique a été utilisée pour obtenir odds ratio estimations avec leur intervalle de confiance. Après le réglage des facteurs de confusion, nous avons constaté que chaque 1pouce augmentation de hauteur maternelle, a été associée à une diminution des chances mortalité ou 0,98 (95 %CI 0.97 -0.99).  Les ou de mortalité des moins de cinq ans lorsque l'on compare les femmes ≥63pouces versus les femmes < 59.1pouces était 1.13 (95 %CI 0.98 -1.31).  La population fraction attribuable de décès d'enfants dus à maternelle petite stature était de 0,36. (Afr J Reprod Health 2014; 18[1]: 54-60).

 

Mots-clés: mortalité des enfants maternelle, hauteur, influences intergénérationnelles. 

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