Table 1.

Demographic characteristics and total score of general sleep status

Variables	N	%	Mean (SD)	F/t	p
Age				6.800	< 0.001**
< 20	411	18.6	4.49 (2.64)
20–24	1113	50.2	5.00 (2.77)
25–29	240	10.8	5.28 (2.74)
30–39	209	9.4	4.55 (2.66)
40+	242	10.9	4.36 (2.53)
Gender				0.235	0.628
Male	726	32.8	4.86 (2.80)
Female	1489	67.2	4.80 (2.68)
Place of residence				12.910	< 0.001**
Urban	1522	68.7	4.96 (2.74)
Rural	683	31.3	4.52 (2.64)
Ethnicity				8.269	0.004**
Han	2155	97.3	4.79 (2.71)
Minority	60	2.7	5.82 (2.87)
Marital status				4.253	0.014*
Unmarried	1699	75.3	4.88 (2.73)
Married	517	23.3	4.57 (2.67)
Divorced/widowed	29	1.3	5.72 (2.52)
Education				2.075	0.101
Junior high school or less	196	8.8	4.68 (2.82)
High school	233	10.5	5.04 (2.86)
Junior college	263	11.9	5.13 (3.02)
College or higher	1523	68.8	4.76 (2.63)
Occupation				0.621	0.648
Public official /professionals	257	11.6	4.71 (2.69)
Enterprise personnel	238	10.7	4.91 (2.90)
Commerce/service/operations	215	9.7	5.03 (2.61)
Students	1311	59.2	4.78 (2.70)
Others	194	8.8	4.91 (2.80)
Household annual income (RMB)				0.750	0.522
Less than 20,000	475	21.4	4.78 (2.70)
20,000-60,000	832	37.6	4.74 (2.67)
60,000-100,000	516	23.3	4.90 (2.74)
More than 100,000	392	17.7	4.95 (2.82)
Infected by COVID-19				34.80	< 0.001**
Yes	54	2.4	6.96 (2.15)
No	2161	96.5	4.77 (2.71)
Friends/colleagues/relatives quarantined due to COVID-19				15.91	< 0.001**
Yes	132	6.0	5.73 (2.64)
No	2083	94.0	4.76 (4.72)
Neighborhood quarantined due to COVID-19				24.41	< 0.001**
Yes	278	12.6	5.57 (2.67)
No	1937	87.4	4.71 (2.71)

* < 0.05; ** < 0.01