Table 2.

Univariate and multivariate logistic regression of variables.

	Variable			Odds ratio (95% CI)		P value
Univariate logistic regression
	Sex
		Female	1.147 (0.118 to 0.156)		<.001
	House type
		Urban	6.743 (1.888 to 1.929)		<.001
	Age groups (years)
		19-40	1.472 (0.360 to 0.413)		<.001
		40-59	1.061 (0.033 to 0.086)		<.001
		≥60	0.436 (–0.857 to –0.803)		<.001
	Income
		More than minimum wage	2.087 (0.716 to 0.756)		<.001
	Region
		North	0.361 (–1.057 to –0.979)		<.001
		Northeast	0.338 (–0.985 to –0.909)		<.001
		South	0.847 (–0.214 to –0.118)		<.001
		Southeast	1.005 (–0.039 to 0.048)		.83
	Race
		White	1.618 (0.448 to 0.515)		<.001
		Multiracial	0.889 (–0.148 to –0.087)		<.001
		Other	0.903 (–0.183 to –0.021)		.014
Stepwise multivariate logistic regression
	Sex
		Female	1.100 (0.019 to 0.171)		.01
	House type
		Urban	3.393 (1.037 to 1.406)		<.001
	Age groups (years)
		19-40	1.016 (–0.202 to 0.233)		.89
		41-60	0.470 (–0.966 to –0.543)		<.001
		≥60	0.265 (–1.599 to –1.061)		<.001
	Income
		More than minimum wage	1.955 (0.290 to 1.051)		<.001
	Region
		North	0.174 (–1.982 to –1.514)		<.001
		Northeast	0.365 (–1.231 to –0.786)		<.001
		South	1.303 (–0.067 to 0.596)		.12
		Southeast	1.036 (–0.227 to 0.297)		.79
	Race
		White	1.323 (0.099 to 0.460)		<.001
		Multiracial	1.136 (–0.037 to 0.293)		.13
		Other	1.181 (–0.288 to 0.621)		.47