Influence of resilience on depression among nurses in clean operating departments: The mediating effect of life satisfaction

Table 1 Sociodemographic characteristics and their differences among primary variables

Variables		n	%	Life satisfaction	Resilience	Depression
				mean ± SD	mean ± SD	mean ± SD
Gender	Male	58	32.58	4.23 ± 0.74	3.25 ± 0.23	53.55 ± 7.10
	Female	120	67.42	4.03 ± 0.79	3.06 ± 0.25	57.50 ± 9.13
	t			2.733	31.112	9.262
	P			0.100	< 0.001	0.003
Age	< 30	60	33.71	4.72 ± 0.82	3.27 ± 0.27	51.47 ± 6.95
	30-45	107	60.10	3.79 ± 0.53	3.06 ± 0.26	58.02 ± 8.31
	46-60	11	6.18	3.60 ± 0.33	2.93 ± 0.22	64.55 ± 8.78
	F			44.439	14.769	19.699
	P			< 0.001	< 0.001	< 0.001
Marital status	Married	104	58.43	3.93 ± 0.65	3.10 ± 0.27	56.86 ± 8.46
	Unmarried	48	26.97	4.55 ± 0.90	3.21 ± 0.29	52.79 ± 7.61
	Divorced or other	26	14.61	3.88 ± 0.67	3.09 ± 0.29	59.96 ± 9.69
	F			13.505	2.829	6.824
	P			< 0.001	0.062	0.001
Educational level	Junior college or below	77	43.26	4.07 ± 0.77	3.11 ± 0.30	56.18 ± 8.99
	University degree or above	101	56.74	4.11 ± 0.78	3.14 ± 0.27	56.24 ± 8.52
	t			0.094	0.566	0.002
	P			0.759	0.453	0.966
Professional title	Primary	54	30.34	4.53 ± 0.88	3.21 ± 0.29	53.11 ± 7.89
	Intermediate	110	61.80	3.92 ± 0.64	3.10 ± 0.26	57.61 ± 8.40
	Senior	14	7.87	3.80 ± 0.68	3.04 ± 0.32	57.21 ± 11.32
	F			14.515	3.738	5.169
	P			< 0.001	0.026	0.007
Years of work experience	< 10	79	44.38	4.51 ± 0.83	3.22 ± 0.27	53.06 ± 7.25
	10-19	74	41.57	3.80 ± 0.55	3.07 ± 0.27	58.07 ± 8.52
	20-38	25	14.04	3.63 ± 0.45	2.98 ± 0.25	60.68 ± 10.15
	F			27.726	9.837	11.328
	P			< 0.001	< 0.001	< 0.001
Monthly income (RMB)	< 3000	39	21.91	4.69 ± 0.88	3.25 ± 0.28	51.46 ± 6.89
	3000-5000	118	66.29	3.94 ± 0.66	3.10 ± 0.27	57.55 ± 8.57
	5001-10000	21	11.80	3.83 ± 0.62	3.05 ± 0.28	57.52 ± 9.73
	F			17.594	5.195	8.034
	P			< 0.001	< 0.001	< 0.001
Daily working hours (h)	< 8	49	27.53	3.83 ± 0.54	3.08 ± 0.26	57.86 ± 9.44
	8-10	129	72.47	4.19 ± 0.83	3.14 ± 0.29	55.59 ± 8.36
	t			7.919	1.694	2.430
	P			0.005	0.195	0.121
Employment status	Formal employee	121	67.98	3.85 ± 0.60	3.08 ± 0.26	58.07 ± 8.72
	Contract employee	57	32.02	4.61 ± 0.85	3.23 ± 0.29	52.26 ± 7.30
	t			46.088	12.488	19.031
	P			< 0.001	0.001	< 0.001
Mean				4.09 ± 0.78	3.13 ± 0.28	56.21 ± 8.70

Table 2 Correlations for study variables

Variables	Resilience	Life satisfaction	Depression
Resilience	1
Life satisfaction	0.855a	1
Depression	-0.829a	-0.778a	1

^aP < 0.01 (two-tailed), the correlation was significant.

Table 3 Analysis of influencing factors of mental resilience, life satisfaction and depression

Factor	Variables	B	SE	Beta	t	P
Resilience	Gender	-5.847	0.958	-0.392	-6.101	< 0.001
	Age	-0.861	0.131	-0.857	-6.551	< 0.001
	Daily working hours (h)	-6.947	1.617	-0.443	-4.296	< 0.001
	Employment status	2.297	1.160	0.189	1.979	0.049
Life satisfaction	Age	-0.092	0.011	-0.831	-8.132	< 0.001
	Daily working hours (h)	-0.748	0.176	-0.432	-4.246	< 0.001
	Gender	-0.337	0.104	-0.204	-3.234	0.001
Depression	Age	1.167	0.165	0.937	7.061	< 0.001
	Daily working hours (h)	9.209	2.033	0.474	4.530	< 0.001
	Gender	5.485	1.205	0.296	4.553	< 0.001
	Employment status	-3.422	1.459	-0.227	-2.346	0.02

Table 4 Regression analysis of the mediating effect of life satisfaction on resilience and depression

Outcome variable	Predictor variable	R	R2	F	β	t	P
Depression	Resilience	0.829	0.687	385.463	-0.829	-19.633	< 0.001
Life satisfaction	Resilience	0.855	0.732	480.175	0.855	21.913	< 0.001
Depression	Resilience	0.839	0.704	208.553	-0.608	-7.656	< 0.001
	Life satisfaction				-0.258	-3.257	0.001

Table 5 Mediating effect of life satisfaction on resilience and depression

Model pathways	Effect	Boot SE	95%CI		Relative mediation effect, %
			Lower	Upper
Resilience-life satisfaction-depression	-6.853	1.920	-10.546	-3.120	26.68%
Resilience-depression	-18.832	2.444	-23.636	-14.104	73.32%
Total mediation effect	-25.685	2.515	-23.794	-14.007	-

95%CI: 95% confidence interval.