Unadjusted OR ( 95%CI) p-value Adjustedb OR ( 95%CI) p-value
Respiratory tract infections  in the last 12 months  
No THS reference   reference  
THS 2.07 (1.31 - 3.27) p<0.01* 2.13 (1.04 - 4.36) p=0.04*
Wheezing ever
No THS reference   reference  
THS 1.70 (1.06 - 2.73) p=0.03* 1.71 (0.84 - 3.52) p=0.14
Recent wheeze
No THS reference   reference  
THS 3.29 (1.97 - 5.48) p<0.001* 2.61 (1.19 - 5.71) p=0.02*
Asthmac
No THS reference   reference  
THS 0.64 (0.21 - 1.93) p=0.43 1.31 (0.11 - 15.29) p=0.83
aN=399Children with current SHS exposure were excluded from the analyses.
bAnalyses adjusted for: age, gender, birth weight, gestational age, complications during pregnancy or birth, breastfeeding, child vitamin D supplementation, presence of one/more sibling(s), day-care attendance, highest parental education, and atopy in the family
cN=1073 children ≥ 6 years of age included in the analysis. *p<0.05
Table 3: Associations between THSa exposure and, respiratory tract infections in the last 12 months, wheezing ever, recent wheeze, and asthma.
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