Table 5.

Logistic regression analysis of risk factors associated with mental health

Variables	No. of cases/no. of total cases (%)	Model 1		Model 2
		OR (95% CI)	P	OR (95% CI)	P
Age (years)
≤ 30	21/76 (27.63)	1.00 (reference)	NA	1.00 (reference)	NA
> 30	35/131 (26.72)	0.96 (0.51–1.80)	0.89	1.88 (0.66–5.37)	0.24
Gender
Male	10/32 (31.25)	1.28 (0.56–2.89)	0.56	3.22 (0.96–10.79)	0.06
Female	46/175 (26.29)	1.00 (reference)	NA	1.00 (reference)	NA
Working years (years)
1–5	13/43 (30.23)	1.00 (reference)	NA	1.00 (reference)	NA
6–10	25/85 (29.41)	0.96 (0.43–2.14)	0.92	2.62 (0.62–11.17)	0.19
11–15	9/39 (23.08)	0.69 (0.26–1.86)	0.47	1.82 (0.67–4.94)	0.24
> 15	9/40 (22.50)	0.67 (0.25–1.80)	043	1.43 (0.46–4.42)	0.53
Educational level
College	11/29 (37.93)	1.00 (reference)	NA	1.00 (reference)	NA
Undergraduate	43/166 (25.90)	0.57 (0.25–1.31)	0.19	0.71 (0.28–1.79)	0.47
Postgraduate	2/12 (16.67)	0.33 (0.06–1.78)	0.20	0.45 (0.06–3.16)	0.42
Occupation
Doctor	9/38 (23.68)	1.00 (reference)	NA	1.00 (reference)	NA
Nurse	43/155 (27.74)	1.24 (0.54–2.83)	0.61	2.18 (0.62–7.65)	0.22
Technician	4/14 (28.57)	1.29 (0.32–5.12)	0.72	0.76 (0.14–4.23)	0.75
Type of hospital
Grade I hospital or community	2/8 (25.00)	1.00 (reference)	NA	1.00 (reference)	NA
Grade II hospital	13/32 (40.63)	1.02 (0.20–5.27)	1.00	3.71 (0.54–25.57)	0.18
Grade III hospital	41/167 (24.55)	2.10 (0.96–4.63)	0.07	1.39 (0.24–8.10)	0.72
Working shifts
As usual	13/60 (21.67)	1.00 (reference)	NA	1.00 (reference)	NA
More night shifts	18/60 (30.00)	1.54 (0.68–3.54)	0.30	2.05 (0.83–5.04)	0.12
More day shifts	25/87 (28.74)	1.46 (0.68–3.15)	0.34	1.68 (0.72–3.94)	0.23
Working position
Frontline	32/132 (24.24)	0.68 (0.36–1.27)	0.23	0.87 (0.32–2.40)	0.79
Second line	24/75 (32.00)	1.00 (reference)	NA	1.00 (reference)	NA
Supporting Wuhan
Yes	22/101 (21.78)	0.59 (0.32–1.10)	0.10	0.53 (0.20–1.40)	0.20
No	34/106 (32.08)	1.00 (reference)	NA	1.00 (reference)	NA

Model 1: univariate logistic analysis; model 2: multivariate logistic analysis