Risk factors for mortality from acute respiratory tract infections in young Gambian children

de Francisco, A., Morris, J.S., Hall, A.J., Armstrong Schellenberg, J.R.M. and Greenwood, B.M. (1993) Risk factors for mortality from acute respiratory tract infections in young Gambian children. International Journal of Epidemiology, 22 (6), 1174-1182. (doi:10.1093/ije/22.6.1174). (PMID:8144302)

Abstract

A case-control study has been undertaken in a rural area of The Gambia to evaluate risk factors for death from acute lower respiratory tract infections (ALRI) in young children. On the basis of a post-mortem interview 129 children aged < 2 years were thought to have died from ALRI. These cases were each matched according to age, sex, ethnic group, time and place of death with a child who had died from a cause other than an ALRI and with two live control children. Cases and controls were well matched. Comparison of cases and live controls suggested that exposure to smoke during cooking, parental smoking and exclusive, prolonged breastfeeding were associated with an increased risk of death from ALRI whilst sharing a bed with siblings, use of antenatal and welfare clinics and immunization were associated with a reduced risk of death from ALRI. No associations were found between mortality from ALRI and maternal education and literacy, socioeconomic status or with the age of the mother. Comparison of children who died from causes other than ALRI with the live controls showed a similar pattern of associations and no significant differences were found in any of the risk factors studied between children whose deaths were attributed to ALRI and those whose death was attributed to another cause. Association of death with exposure to smoke during cooking was the strongest risk factor identified. This risk might be altered by reducing smoke exposure during cooking

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