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Acta Paediatr Scand. 1990 Apr;79(4):402-9.

Acute respiratory tract infections in children. A three-year follow-up from birth.

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Department of Oto-Rhino-Laryngology, University Hospital, Lund, Sweden.


Respiratory tract infections (RTIs) in small children account for a considerable proportion of health care expenditure. In 113 children, followed for the first three years of life, we studied the frequency of acute RTI and its relationship to the factors: type of day-care, age, sex, family size, living conditions, allergic predisposition, family smoking habits, and season. To elucidate the influence of age, the frequency of acute RTI and its relationship to type of day-care was longitudinally studied on a quarterly basis. The frequency of acute RTI diagnosis increased gradually from birth culminating in a peak at the beginning of the second year. Besides age and season, type of day-care was the only factor studied to show any relationship with the frequency of acute RTI diagnosis. Up to the age of almost 2 1/2 years, children attending day-care centres accounted for more RTI diagnoses than did those in home care or family day-care, categories with comparable frequencies.

[Indexed for MEDLINE]

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