Mar 24, 2006

Community incidences of respiratory infections in an actively followed cohort of children <1 year of age in Manhiça, a rural area of southern Mozambique

Tropical Medicine & International Health : TM & IH
Anna RocaPedro Alonso

Abstract

To estimate the community incidence-rates of respiratory infections among infants in Manhiça, southern Mozambique, and to determine risk factors associated with these infections. A cohort of children <1 year of age were visited at home every week until they turned one. During the visits, field workers recorded signs/symptoms of respiratory infections and tested the children for malaria parasites when they had fever. Between 1 July 1998 and 30 June 1999, 1,044 children contributed with 23,726 weeks at risk. Children met the criteria for acute respiratory infection in 19.2% of the visits, for lower respiratory infection in 0.9% and for severe lower respiratory infection in 0.2%. The crude incidence rate measured for acute respiratory infections was 23.0, that for lower respiratory infection was 0.9 and that for severe lower respiratory infection was 0.2 per 100-person-week-at-risk. The risk of acute and lower respiratory infection was inversely related to age. Females were at significantly lower risk for all three conditions than males. A trend of increased risk of severe lower respiratory infection was noted among children born during the rainy season (adjusted rate ratio = 1.95, P = 0.122 in only 47 episodes). Malaria was stron...Continue Reading

Mentioned in this Paper

Morbidity Aspects
Acute Respiratory Infections
Incidence Studies
Seasonal Variation
Acute Disease
Malaria
Malaria Vaccines
Sex Distribution
Respiratory Tract Infections
Lower Respiratory Tract Infection

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