Table 5.

Mediating effects of sleep disturbance on the relationship between perceived stress and demoralization.

Step	Path	B	SE	β	t	p
Step A	Perceived stress → Demoralization (c)	0.341	0.043	0.321	7.940	<0.001
Step B	Perceived stress → Sleep disturbance (a)	0.905	0.132	0.281	6.856	<0.001
Step C	Sleep disturbance → Demoralization (b)	0.163	0.012	0.493	13.469	<0.001
	Perceived stress → Demoralization (c’)	0.194	0.039	0.182	5.014	<0.001

B, unstandardized regression coefficient; SE, standard error; β, standardized regression coefficient.