Impact of perceived severity on depression, anxiety, and insomnia among Chinese community residents during the COVID-19 lockdown

Table 1 Prevalence of depression, anxiety and insomnia according to the demographic variable

	No. of cases (%)	Adjusted OR (95%CI)	P value	No. of cases (%)	Adjusted OR (95%CI)	P value	No. of cases (%)	Adjusted OR (95%CI)	P value
Depression	156 (27.5)
Anxiety				100 (17.6)
Insomnia							91 (16.0)
Gender
Male	73 (22.4)	1 (reference)		43 (13.2)	1 (reference)		44 (13.5)	1 (reference)
Female	83 (34.3)	1.81 (1.25-2.62)	0.01	57 (23.6)	1.31 (1.16-3.14)	< 0.01	47 (19.4)	1.55 (0.99-2.42)	0.06
Age
> 40	51 (22.2)	1 (reference)		31 (13.5)	1 (reference)		25 (10.9)	1 (reference)
30-40	99 (31.5)	1.62 (1.09-2.39)	0.02	67 (21.1)	1.74 (1.10-2.77)	0.02	63 (20.1)	2.06 (1.25-3.39)	0.01
< 30	6 (25.0)	1.17 (0.44-3.10)	0.75	2 (8.3)	0.58 (0.13-2.61)	0.48	3 (12.5)	1.17 (0.32-4.21)	0.81
SI
Yes	96 (23.8)	1 (reference)		60 (14.9)	1 (reference)		55 (13.6)	1 (reference)
No	60 (36.7)	1.83 (1.24-2.70)	< 0.01	40 (24.2)	1.83 (1.17-2.87)	0.01	36 (21.8)	1.77 (1.11-2.82)	0.02

OR: Odds ratio; CI: Confidence interval; SI: Stable income.

Table 2 Correlation analysis

	mean ± SD	1	2	3	4	5
1. Perceived severity	17.75 ± 4.80
2. Interpersonal security	30.48 ± 7.10	-0.33b
3. Certainty in control	30.36 ± 7.94	-0.37b	0.87b
4. Depression	6.81 ± 5.74	0.48b	-0.65b	-0.73b
5. Anxiety	4.83 ± 5.31	0.44b	-0.65b	-0.73b	0.82b
6. Insomnia	8.88 ± 6.05	0.43b	-0.53b	-0.60b	0.71b	0.65b

^bP < 0.01.

Table 3 Structural models fitness index

	χ2	df	RMSEA	SRMR	CFI
Model a	1.72	1	0.04	0.01	0.99
Model b	1.12	1	0.03	0.01	0.99
Model c	1.88	1	0.03	0.02	0.99

RMSEA: Root mean squared error of approximation; SRMR: Standardized root mean square residual; CFI: Comparative fit index.