Table 2. A multivariate logistic regression model for the association between HOUSES and risk of uncontrolled asthma.

	Risk of uncontrolled asthma
	Adjusted OR (95% CI)	P-value
Model 1 based on HOUSES in continuous variable
HOUSES in continuous variablea	0.21 (0.05–0.92)	0.04
Smoking exposure at home	1.58 (0.25–9.92)	0.62
Overweight	1.37 (0.21–9.08)	0.74
Model 2 based on HOUSES a in tertiles
HOUSES in tertiles
1st tertile (lowest SES)	(ref)
2nd tertile	0.10 (0.01–1.0)	0.04
3rd tertile (highest SES)	0.13 (0.01–1.31)	0.09
Smoking exposure at home	1.45 (0.21–10.37)	0.71
Overweight	1.10 (0.16–7.71)	0.92
Model 3 based on income in tertiles
Income in tertiles
1st tertile (lowest SES)	(ref)
2nd tertile	0.07 (0.01–0.50)	0.01
3rd tertile (highest SES)	0.08 (0.01–0.92)	0.04
Smoking exposure at home	1.87 (0.23–15.03)	0.56
Overweight	1.84 (0.24–14.27)	0.56

Abbreviations: CI, confidence interval; HOUSES, housing-based socioeconomic index; OR, odds ratio; ref, referent; SES, socioeconomic status.

^aLog-transformed HOUSES index.