Lower respiratory tract infections among Norwegian infants with siblings in day care

P. Nafstad, J.A. Hagen, C. Batten and J.J.K. Jaakkola

American Journal of Public Health, 1996, vol. 86, issue 10, 1456-1459

Abstract: Objectives. The purpose of this study was to assess the role of siblings in day care as a determinant of infants' risk of lower respiratory tract infections. Methods. A total of 3238 children (86%) out of 3754 Oslo, Norway, newborns recruited in 1992/93 were followed for 1 year. Results. In logistic regression analysis, the risk of infection was increased in (1) infants with one or more siblings compared with infants without siblings (adjusted odds ratio [OR] = 2.3; 95% confidence interval [CI] = 1.84, 2.85) and (2) infants with one or more siblings in day care compared with infants with siblings not in day care (adjusted OR = 1.7; 95% CI = 1.21, 2,26). Conclusions. The results suggest that siblings in day care outside the home increase infants' risk of lower respiratory tract infections.

Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1996:86:10:1456-1459_8

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