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Table 2 Total, direct and indirect effects of independent variables on dependent variables

From: Determinants of health-related quality of life in patients with celiac disease: a structural equation modeling

Variables

SF-36 domains

Effect

Age SPC

Sex

Occupation

Education level

Marital status

Disease duration

Comorbidity

Adherence to diet

GSRS

SPC

SPC

SPC

SPC

SPC

SPC

SPC

SPC

SPC

Total

PCS

Total

0.47

− 26.94

14.42*

50.62*

− 28.76

− 1.73

− 13.37

52.43*

− 2.27*

Direct

− 0.37

− 16.78

1.85

41.86*

− 13.98

− 2.75

− 17.58

31.85*

− 2.27*

Indirect

0.85

− 10.15

12.57

8.76

− 14.78

1.02

4.21

20.57*

 

MCS

Total

1.02

− 26.67

− 0.17

42.41*

− 27.15

0.80

− 18.65

54.95*

− 2.18*

Direct

0.13

− 16.10

− 13.35

33.23

− 11.65

− 0.27

− 22.17

35.15*

− 2.18*

Indirect

0.89

− 10.57

13.17

9.18

− 15.49

1.07

3.51

19.79*

 

Males

PCS

Total

0.67

 

− 24.34

87.45

− 3.60

− 3.82

− 25.29

55.49

− 2.20

Direct

− 0.19

 

− 33.76

46.87

4.02

− 5.67

− 22.96

35.18

− 2.20

Indirect

0.87

 

9.41

40.58

− 7.62

1.84

− 2.33

20.30

 

MCS

Total

1.27

 

− 3.08

103.104

− 35.78

− 1.47

− 31.34

51.69

− 2.39

Direct

0.46

 

− 11.86

12.03

− 28.68

− 3.22

− 32.80

29.61

− 2.39

Indirect

0.81

 

8.77

37.80

− 7.10

1.75

1.25

22.07

 

Females

PCS

Total

− 0.06

 

43.95

18.72

− 39.38

− 0.44

2.91

55.49

− 2.45

Direct

− 0.87

 

18.25

33.84

− 23.50

0.29

− 1.64

25.31

− 2.45

Indirect

0.80

 

25.70

− 15.11

− 15.88

− 0.73

4.56

23.25

 

MCS

Total

0.66

 

30.04

− 3.27

− 16.72

0.93

− 1.78

49.16

− 2.14

Direct

− 0.15

 

4.01

12.03

− 0.64

1.56

− 6.21

28.78

− 2.14

Indirect

0.81

 

26.02

− 15.30

− 16.10

− 0.62

4.43

20.38

 
  1. GSRS, Gastrointestinal Symptom Rating Scale; PCS, physical component summary; MCS, mental component summary; CDAT, celiac disease adherence test; SPC, standardized path coefficient
  2. *Indicates significant correlation