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Table 4 Distribution of potential confounders of reported infectious disease and use of antibiotics among 2 years old children

From: The impact of pre- and postnatal exposures on allergy related diseases in childhood: a controlled multicentre intervention study in primary health care

  Intervention cohort N = 1374 Control cohort N = 4780 Odds ratioa
  n (%) n (%) (95% CI)
Ever RS virus infection 75 (5.5) 209 (4.4) 1.26 (0.96-1.65)
Ever intestinal infection 373 (27.2) 864 (18.1) 1.68 (1.46-1.94)
Ever false croup 188 (13.7) 675 (14.2) 0.96 (0.81-1.14)
Ever bronchitis 185 (13.5) 692 (14.6) 0.92 (0.77-1.09)
Ever pneumonia 87 (6.4) 345 (7.3) 0.87 (0.68-1.11)
Ever used antibioticsb 601 (44.0) 2196 (46.1) 0.92 (0.81-1.03)
  1. aFor intervention cohort versus control cohort.
  2. bEver used antibiotics for cold, inflammation of the ear, bronchitis, RS-virus infection, false croup, pneumonia, urinary infection and gut infection.
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