Table 6.

Results of univariate and multivariate logistic regression analysis of factors affecting depression

Variables		Univariate logistic regression analysis			Multivariate logistic regression analysis
		OR (95% CI)	p value		OR (95% CI)	p value
Gender	Man (reference)	1			1
	Woman	3.327 (1.729−6.402)	< 0.001a		2.030 (0.843−4.889)	0.114
Child	Yes (reference)	1			1
	No	1.926 (1.115−3.326)	0.019c		0.754 (0.337−1.686)	0.492
Profession	Physician (reference)	1			1
	Nurse	4.643 (2.181−9.883)	< 0.001a		2.079 (0.629−6.875)	0.230
	Medical secretary	3.444 (1.571−7.553)	0.002b		1.538 (0.515−4.594)	0.441
Chronic disease	No (reference)	1
	Yes	0.823 (0.450−1.503)	0.526
Beware of a mental health support line	No (reference)	1
	Yes	0.868 (0.503−1.498)	0.612
Using a mental health support line	No (reference)	1			1
	Yes	12.75 (3.657−44.415)	< 0.001a		8.542 (2.320−31.449)	0.001b
Antidepressant	No (reference)	1
	Yes	1.889 (0.871−4.099)	0.108
Person aged above 60 at home	No (reference)	1
	Yes	1.097 (0.585−2.055)	0.773
Addiction	No (reference)	1
	Yes (cigarette− alcohol-substance)	1.045 (0.600−1.819)	0.876
Previous or current psychiatric disease	No (reference)	1			1
	Yes (own or family)	2.279 (0.993−5.228)	0.052d		1.791 (0.623−5.155)	0.280
Sufficiency of measures about COVID-19 taken by the institution	Sufficient (reference)	1			1
	Partial	2.62 (1.339−5.129)	0.005b		0.964 (0.365−2.544)	0.941
	Insufficient	2.087 (0.950−4.586)	0.067d		1.906 (0.848−4.282)	0.118
Person with COVID-19 among the friends or relatives	No (reference)	1			1
	Yes	1.993 (1.107−3.586)	0.021c		1.302 (0.647−2.619)	0.459
Following media	Yes (reference)	1
	Partial	2.197 (0.478−10.104)	0.312
	No	1.648 (0.723−3.754)	0.234
Daily working time (hours/day)	≤ 8 (reference)	1			1
	9−11	2.122 (0.952−4.731)	0.066d		1.373 (0.553−3.411)	0.495
	≥ 12	4.361 (1.843−10.317)	0.001b		2.343 (0.734−7.481)	0.150

OR, odds ratio; CI, confidence interval.

^ap < 0.001; ^bp < 0.01; ^cp < 0.05; ^dp < 0.10.