The Relationship Between Mental Health and Psychosocial Stress of Reservoir Migrants in the Middle Route of China’s South-to-North Water Diversion Project (SNWDP): The Mediating Role of Social Support

Figures & data

Figure 1 Mediating effect test procedure.

Table 1 Demographic Characteristics of Participants [n (%)]

Characteristics	Male (n=501)	Female (n=482)	χ^2	p
Age groups (age years)
16~	71(14.17)	76(15.77)	15.72	0.01
35~	211(42.12)	145(30.08)
≥55	219(43.71)	261(54.15)
Marital status
Married	63(12.57)	60(12.44)	0.004	0.952
Unmarried	438(87.43)	422(87.56)
Education status
Primary and lower	245(48.90)	239(49.58)	0.656	0.720
Junior middle graduate	179(35.73)	162(33.61)
High school graduate	77(15.37)	81(16.81)
Occupation
Farmer	351(70.06)	307(63.69)	4.500	0.034
Non-farmer	150(29.94)	175(36.31)
Ethnicity
Han	473(94.41)	467(96.89)	3.603	0.058
Minority	28(5.59)	15(3.11)
Religion
Yes	70(13.97)	67(13.90)	0.001	0.974
No	431(86.03)	415(86.10)

Table 2 Correlation Analysis of SNWDP Migrants’ Mental Health, Psychosocial Stress and Social Support (r Value)

Variables	SCL-90-R-Total Score	PSSG-Total Score	SSRS-Total Score
SCL-90-R total score	1	0.483*	−0.257*
PSSG-total score	0.483*	1	−0.516*
SSRS-total score	−0.257*	−0.516*	1

Note: *p < 0.05.

Abbreviations: SCL-90-R, Symptom Checklist-90-Revised; PSSG, Psychosocial Stress Survey for Groups; SSRS, Social Support Rating Scale.

Table 3 Results of Mediating Effect Analysis

Dependent Variables	Standardized Regression Equation	Standardized Coefficients (Beta)	t	p-value
First: SCL-90-R	Y=0.049X	0.049	3.546	<0.01
Second: SSRS	M=−0.023X	−0.023	−2.763	<0.01
Third: SCL-90-R	Y=0.193M	0.193	6.150	<0.01
	−0.119X	−0.119	−3.741	<0.01

Abbreviations: SCL-90-R, Symptom Checklist-90-Revised; PSSG, Psychosocial Stress Survey for Groups; SSRS, Social Support Rating Scale.

Figure 2 The mediating effect model of social support between mental health and psychosocial stress.