TABLE 3

SHS Exposure Intensity During Pregnancy or Infancy and Overall Risk of Prevalent Asthma, Rhinitis, or Eczema up to 16 y of Age Among Children in the BAMSE Birth Cohort (n = 3798)a

Maternal Smoking During PregnancybParental Smoking During Infancyb
OR (95% CI)OR (95% CI)
Asthma
 No smokingReferentReferent
 Total of 1−9 cigarettes/d1.19 (0.81−1.75)1.27 (0.92−1.76)
 Total of ≥10 cigarettes/d1.68 (1.23−2.29)1.25 (0.93−1.67)
Ptrend = .001Ptrend = .10
Rhinitis
 No smokingReferentReferent
 Total of 1−9 cigarettes/d0.81 (0.59−1.12)1.07 (0.82−1.38)
 Total of ≥10 cigarettes/d1.21 (0.94−1.56)1.35 (1.09−1.67)
Ptrend = .34Ptrend = .008
Eczema
 No smokingReferentReferent
 Total of 1−9 cigarettes/d0.92 (0.70−1.21)1.22 (0.97−1.54)
 Total of ≥10 cigarettes/d1.19 (0.94−1.51)1.25 (1.01−1.53)
Ptrend = .24Ptrend = .03
  • a ORs and 95% CIs obtained from generalized estimating equation analyses.

  • b Adjusted for gender, parental allergic disease, socioeconomic status, and parental smoking throughout childhood.