Table 4

ORs adjusted for non-response, with covariates for wheezing in the past 12 months, and occupational exposures in separate regression models, in the same models, and in the same models with interaction terms

Covariates for wheezing, occupational exposure and interaction*Separate model for each covariate ORadj (95% CI)Models with covariates for wheezing and exposure
ORadj (95% CI)		Models with covariates for wheezing, exposure and interaction
ORadj (95% CI)
Wheezing past 12 months1.21
(1.12 to 1.31)		1.20
(1.10 to 1.31)		1.21
(1.11 to 1.31)		1.21
(1.12 to 1.31)		1.20
(1.06 to 1.34)		1.21
(1.12 to 1.32)		1.19
(1.09 to 1.30)
Occupational exposure
Ever VGDF1.07
(1.00 to 1.15)		1.05
(0.98 to 1.13)		1.04
(0.93 to 1.17)
LMW agents1.19
(1.00 to 1.41)		1.18
(1.00 to 1.41)		1.31
(0.77 to 2.24)
Irritants1.15
(1.05 to 1.26)		1.15
(1.05 to 1.26)		1.03
(0.77 to 1.36)
Interaction of wheezing and occupational exposure1.01
(0.93 to 1.09)		0.92
(0.61 to 1.39)		1.10
(0.88 to 1.37)

  • Bold typeface represents p<0.05.

  • *In addition to the covariates indicated, each model was adjusted for age, gender, area of residence, and smoking habits.

  • VGDF, vapour, gas, dust, and fumes; LMW, low-molecular-weight.;