Table 3 Possible influence factors for social support score- one-way ANOVA

Education level

 Illiterate^a

24.83 ± 5.08

3.216

0.041

7.16 ± 2.15

4.318

0.014

7.70 ± 1.63

19.830

<0.001

36.69 ± 6.29

2.957

0.052

 Elementary school

25.38 ± 4.59

7.48 ± 2.30

7.97 ± 1.83

40.82 ± 6.48^b

 Junior middle school and above

24.60 ± 4.06

7.74 ± 2.26^c

8.57 ± 1.76^c

40.91 ± 5.50^b

 <5000^a

24.25 ± 5.27

9.254

<0.001

7.21 ± 2.39

6.324

<0.001

7.49 ± 1.69

38.806

<0.001

38.95 ± 7.03

14.046

<0.001

 5000-

25.93 ± 4.62^c

7.74 ± 2.15^c

7.98 ± 1.69^c

41.65 ± 6.24^c

 10000-

25.44 ± 3.59^c

8.04 ± 2.03^c

8.34 ± 1.76^c

41.81 ± 4.94^c

 15000-

24.42 ± 3.69

7.61 ± 2.08^b

9.10 ± 1.67^c

41.13 ± 5.14^c

Years in Shandong

 <5^a

24.83 ± 3.79

0.973

0.405

7.40 ± 2.17

0.356

0.785

8.47 ± 1.80

4.695

0.003

40.69 ± 5.22

0.079

0.971

 5-

25.05 ± 4.21

7.55 ± 2.20

8.16 ± 1.80

40.76 ± 5.68

 10-

24.90 ± 4.84

7.61 ± 2.34

8.06 ± 1.78^b

40.57 ± 6.64

 15-

25.44 ± 4.94

7.50 ± 2.34

8.13 ± 1.80^c

40.72 ± 6.74

Job engaged

 Farming

25.24 ± 4.57

4.893

<0.001

7.54 ± 2.28

0.240

0.811

8.01 ± 1.78

-5.864

<0.001

40.80 ± 6.23

1.516

0.131

 Others

23.55 ± 3.60

7.49 ± 2.29

8.97 ± 1.73

40.01 ± 5.49

Quality of relationship with spouse

 Poor^a

21.50 ± 5.61

29.642

<0.001

5.31 ± 2.44

21.837

<0.001

7.81 ± 2.06

8.253

<0.001

34.62 ± 7.35

26.761

<0.001

 Average

24.39 ± 4.33^c

7.56 ± 2.10^c

8.34 ± 1.81

40.28 ± 5.97^c

 Good

25.95 ± 4.44^c

7.65 ± 2.31^c

7.90 ± 1.74

41.50 ± 6.02^c

Number of offspring with husband

 0^a

22.82 ± 4.37

13.346

<0.001

6.80 ± 2.65

2.864

0.057

8.95 ± 1.79

12.125

<0.001

38.57 ± 5.91

4.777

0.009

 1

24.68 ± 4.60^c

7.49 ± 2.25^b

8.19 ± 1.82^c

40.37 ± 6.36^b

 ≥2

25.87 ± 4.29^c

7.59 ± 2.15^b

7.76 ± 1.73^c

41.22 ± 5.82^c

Reason of marrying in Shandong

 Good living condition

25.01 ± 4.67

3.739

0.024

7.54 ± 2.14^c

11.003

<0.001

8.03 ± 1.77

4.499

0.011

40.58 ± 6.06^c

9.612

<0.001

 Devotion to husband

25.47 ± 4.31^c

7.79 ± 2.38^c

8.38 ± 1.75^b

41.65 ± 6.17^c

 Others ^a

24.30 ± 4.35

6.80 ± 2.31

8.00 ± 1.90

39.10 ± 6.25