Table 1.

Logistic regression analyses on COVID-19 Infection in entire cohort (N = 13,099).

Characteristics		Univariable analysis		Multivariable analysis
		OR (95% CI)	P	AOR (95% CI)	P
Age, years		0.93 (0.92–0.93)	<0.001	0.92 (0.92–0.93)	<0.001
Male (vs. female)		1.05 (0.95–1.15)	0.376	1.23 (1.11–1.36)	<0.001
White (vs. others)		0.73 (0.58–0.92)	0.007	0.96 (0.76–1.23)	0.780
Ever smoke (vs. never)		0.99 (0.90–1.09)	0.836	1.21 (1.09–1.35)	<0.001
Comorbidity Index†		0.91 (0.88–0.95)	<0.001	0.99 (0.95–1.03)	0.601
Ever taken cannabis (vs. others)	Any times	1.22 (1.09–1.37)	0.001	0.81 (0.71–0.92)	0.001
	≥3 times	1.24 (1.07–1.42)	0.003	0.76 (0.65–0.88)	<0.001
	≥1 /month‡	1.17 (0.98–1.39)	0.087	0.71 (0.58–0.86)	<0.001

OR, odds ratio; 95% CI, 95% confidence interval; AOR, adjusted odds ratio.

^†Charlson-Quan Comorbidity Index was calculated by summing all the weights (from 1 to 6) of each comorbidity category based on inpatient ICD-10 records.

^‡Maximum frequency of taking cannabis.