Table 4.

Multivariate logistic regression to identify independent predictors of symptoms of depression, defined as PHQ-9 score > 4.

Factor	OR	95% CI	p
Quarantine times	1.371	1.15–1.635	<0.001
Age	0.644	0.504–0.822	<0.001
Length of education	1.344	1.118–1.615	0.002
Marital status	0.912	0.729–1.142	0.423

CI, confidence interval; OR, odds ratio; PHQ-9, Patient Health Questionnaire-9.