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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.