Table 4.

Factors affecting sleep disturbance in the participants (N = 137)

Variables	B	SE	β	t	p
Subjective health status (Ref: healthy)
Moderate	0.34	0.09	.29	3.78	<.001
Unhealthy	0.78	0.15	.40	5.25	<.001
Job stress	0.22	0.07	.22	3.04	.003
Health promotion behavior	-0.24	0.11	-.17	-2.30	.023
	Adjusted R2 = .31, F = 16.31, p < .001

Durbin-Watson = 1.994, tolerance = .88∼.94, VIF = 1.06∼1.19.