Table 3.

Univariate Analysis and Multivariate Analyses for the Positive RT-PCR test.

	Univariate Analyses		Multivariate analyses
	P	OR (95% CI)	P	OR (95% CI)
Management (comprehensive intervention vs. no intervention)	<0.001	0.152 (0.064, 0.360)	<0.0011	0.169 (0.070, 0.408)
			<0.0012	0.169 (0.070, 0.408)
			<0.0013	0.162 (0.066, 0.395)
			<0.0014	0.169 (0.069, 0.412)
			<0.0015	0.166 (0.067, 0.407)
			<0.0016	0.165 (0.067, 0.406)
Sex (M vs. F)	0.623	1.231 (0.538, 2.813)	0.448	1.394 (0.592, 3.286)
			0.451	1.395 (0.587, 3.318)
			0.170	1.891 (0.760, 4.705)
			0.198	1.825 (0.730, 4.564)
			0.207	1.806 (0.721, 4.525)
			0.210	1.800 (0.718, 4.510)
Age	0.026	1.040 (1.005, 1.076)	0.127	1.026 (0.993, 1.062)
			0.129	1.026 (0.992, 1.062)
			0.093	1.030 (0.995, 1.065)
			0.189	1.024 (0.988, 1.062)
			0.184	1.025 (0.989, 1.062)
			0.183	1.025 (0.989, 1.062)
BMI	0.999	1.000 (0.890, 1.123)	0.988	0.999 (0.893, 1.118)
			0.913	0.994 (0.888, 1.112)
			0.755	0.981 (0.871, 1.105)
			0.716	0.978 (0.869, 1.102)
			0.704	0.977 (0.868, 1.101)
Smoking Status (Y vs N)	0.998	NA*	0.997	NA
			0.997	NA
			0.997	NA
			0.997	NA
Alcohol Use (Y vs. N)	0.725	0.766 (0.174, 3.374)	0.951	0.951 (0.188, 4.804)
			0.998	0.998 (0.197, 5.051)
			0.958	1.045 (0.206, 5.309)
			0.946	1.058 (0.208, 5.373)

*Estimators were not available because one cell contained zero value.

¹Model included site, age and sex.

²Model included site, age, sex and BMI.

³Model included site, age, sex, BMI, smoking status and alcohol use.

⁴Model included site, age, sex, BMI, smoking status, alcohol use and disease history.

⁵Model included site, age, sex, BMI, smoking status, alcohol use, disease history and symptoms status when entering isolation site.

⁶Model included site, age, sex, BMI, smoking status, alcohol use, disease history, symptoms status when entering isolation site, and the duration from initial symptoms onset to nucleic retest.