Table 3.

Association between asthma and childhood eczema adjusting for sex, SES, parental smoking, mother smoking status after month four of pregnancy, birth weight of subject, and mother’s weight at pregnancy period for ages 44–46 years for biochemical data. The analysis was repeated after excluding the participants who smoked tobacco during the study.

Eczema	Model 1 (Unadjusted Model)		Model 4 (Adjusted Model)
	All Data	Excluding Smokers	All Data	Excluding Smokers
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
Age 44 years * Spirometry data	1.36 (1.06–1.75)	1.69 (1.27–2.25)	1.29 (0.91–1.79)	1.61 (1.09–2.32)

Model 1 investigates the association between asthma and eczema; Model 4 (adjusted model) is adjusted for sex, SES (father’s occupation and accommodation at age 7 years), parental smoking status, mother smoking during pregnancy after month four, child weight at birth, and mother’s weight. * The outcome(s) for diagnosis asthma were FEV1/FVC at age 44.