Table 4.

Multivariate logistic regression of sleep disorder and passive coping style.

Variables	β	SE	Wald	P	OR	95% CI
Sleep disorder
Constant	−2.233	0.208	114.76	0.000
Female (Ref:Male)	0.305	0.142	4.597	0.032	1.36	1.03–1.79
Education (bachelor’s degree and above) (Ref:College and below)	0.334	0.145	5.268	0.022	1.40	1.05–1.86
Monthly income (CNY) 1000–5000 (Ref:Monthly income <1000)	0.958	0.15	40.578	0.000	2.61	1.94–3.50
Monthly income (CNY) > 5000 (Ref:Monthly income <1000)	0.760	0.165	21.301	0.000	2.14	1.55–2.95
No exercise (Ref:Regular exercise)	0.613	0.148	17.167	0.000	1.85	1.38–2.47
Passive coping style
Constant	−0.672	0.18	13.898	0.000
Urban (Ref:Rural)	−0.287	0.139	4.282	0.039	0.75	0.57–0.99
Education (bachelor’s degree and above) (Ref:College and below)	−0.624	0.138	20.545	0.000	0.54	0.41–0.70
No exercise (Ref:Regular exercise)	0.537	0.145	13.756	0.000	1.71	1.29–2.27

SE standard error, OR odds ratio, CI confidential interval, Ref. reference.