Table 2.

Logistic regression analysis for development of mental illness in 2020^a

Variable	Development of mental illness, n (%)	Logistic regression, odds ratio (95% CI)	P
Unadjusted (univariable analysis)
Control	19 524/254 735 (7.7)	1
COVID-19 survivors	738/6 148 (12.0)	1.64 (1.52–1.78)	<0.001
Covariates-adjusted model 1 (multivariable analysis)
Control	19 524/254 735 (7.7)	1
COVID-19 survivors	738/6148 (12.0)	2.40 (2.21–2.61)	<0.001
Covariates-adjusted model 2 (multivariable analysis)
Control (n = 254 735)	19 524/254 735 (7.7)	1
No specific treatment for COVID-19 (n = 5256)	526/5256 (10.0)	2.23 (2.03–2.45)	<0.001
Specific treatment for COVID-19 (n = 892)	212/892 (23.8)	3.27 (2.77–3.87)	<0.001
Covariates-adjusted model 3 (multivariable analysis)
Duration of isolation because of COVID-19, day	–	1.02 (1.01–1.02)	<0.001

COVID-19, coronavirus disease 2019.

^a.Other variables in the multivariable model 1 are presented in Supplementary Table 3.