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Table 2 Prevalence and odds ratios of exposures at 2 years of age

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(95% CI)
  n (%) n (%) Crude Adjustedb
Smoking mother at 2 years of age 132 (9.8) 879 (19.0) 0.46 0.47
(0.38-0.56) (0.39-0.58)
Smoking father at 2 years of age 143 (11.2) 751 (17.9) 0.57 0.56
(0.47-0.69) (0.46-0.68)
Indoor dampness index 53 (3.9) 179 (3.8) 1.02 1.09
(0.75-1.39) (0.79-1.51)
1.2 g n-3 PUFA four times a week or more 582 (42.6) 1591 (33.6) 1.46 1.42
(1.29-1.66) (1.25-1.62)
Any kind of fish once a week or more 1011 (73.6) 3369 (70.6) 1.16 1.13
(1.02-1.33) (0.98-1.30)
Oily fish once a week or more 687 (50.0) 1667 (34.9) 1.86 1.83
(1.65-2.11) (1.61-2.09)
Lean fish once a week or more 836 (61.3) 3062 (64.6) 0.87 0.85
(0.76-0.98) (0.74-0.97)
  1. aFor intervention cohort versus control cohort.
  2. bAdjusted for birthweight, maternal atopy, RS-virus infection, maternal health care centre, and the proportion of participants from each cohort in each public health centre.
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