Table 4.

Effects of psychological flexibility and fatigue on depression in multivariate regression analyses in nurses, study conducted in 2015 in Henan Province, China

Variable	Model 1		Model 2		Model 3
	β	p	β	p	β	p
Gender	0.029	0.416	0.024	0.462	0.030	0.345
Marital status	0.018	0.660	–0.002	0.962	0.007	0.837
Age	–0.091	0.377	–0.085	0.357	–0.049	0.587
Length of service (years)	0.122	0.232	0.091	0.320	0.064	0.472
Fatigue severity			0.391	<0.001	0.357	<0.001
Circumstances			0.022	0.636	0.039	0.381
Consequences			0.105	0.012	0.077	0.061
Rest/Sleep			–0.105	0.004	–0.084	0.020
Psychological flexibility					–0.211	<0.001
Adjusted R2	–0.001		0.199		0.240
ΔR2	0.004	0.472	0.203	<0.001	0.042	<0.001

β – standardized coefficient.

Model 1 – gender, marital status, age, length of service were included; Model 2 – gender, marital status, age, length of service and 4 subscales of fatigue were included; model 3 – gender, marital status, age, length of service, 4 subscales of fatigue and psychological flexibility were included.