Lower respiratory illness in infants and low socioeconomic status

P.A. Margolis, R.A. Greenberg, L.L. Keyes, L.M. LaVange, R.S. Chapman, F.W. Denny, K.E. Bauman and B.W. Boat

American Journal of Public Health, 1992, vol. 82, issue 8, 1119-1126

Abstract: Objectives. Infants from families of low socioeconomic status are said to suffer higher rates of lower respiratory illness, but this assertion has not been carefully examined. Methods. We studied the frequency and determinants of lower respiratory illness in infants of different socioeconomic status (n = 393) by analyzing data from a community-based cohort study of respiratory illness during the first year of life in central North Carolina. Results. The incidence of lower respiratory illness was 1.41 in the low socioeconomic group, 1.26 in the middle group, and 0.67 in the high group. The prevalence of persistent respiratory symptoms was 39% in infants in the low socioeconomic group, 24% in infants in the middle group, and 14% in infants in the high group. The odds of persistent respiratory symptoms in infants of low and middle socioeconomic status were reduced after controlling for environmental risk factors for lower respiratory illness. Enrollment in day care was associated with an increased risk of persistent symptoms among infants of high but not low socioeconomic status. Conclusions. Infants of low socioeconomic status are at increased risk of persistent respiratory symptoms. This risk can be partly attributed to environmental exposures, most of which could be changed.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1992:82:8:1119-1126_4

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