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Table 3 Mean comparison of HRQoL scores of Khat chewers vs non-Khat chewers

From: Khat chewing and health related quality of life: cross-sectional study in Jazan region, Kingdom of Saudi Arabia

  

Mean

Mean differ.

95% CI of the Difference

Mann–Whitney Test

Description of SF-36 domains

      
    

Lower

Upper

 

Physical Functioning (10 items)

     

Khat Chewer

72.70

16.35

12.512

20.187

38435b

Non-Khat Chewer

89.05

    

Role Physical Limitation (4 items)

     

Khat Chewer

66.03

24.29

19.668

28.904

32044b

Non-Khat Chewer

90.32

    

Bodily Pain (2 items)

     

Khat Chewer

78.60

13.71

10.370

17.042

34232b

Non-Khat Chewer

92.30

    

General Health (5 items)

     

Khat Chewer

71.49

17.22

14.103

20.341

28899b

Non-Khat Chewer

88.71

    

Mental Health (5 items)

     

Khat Chewer

56.94

37.47

33.269

41.677

21010b

Non-Khat Chewer

94.41

    

Role Emotional (3 items)

     

Khat Chewer

53.44

42.33

37.237

47.419

22240b

Non-Khat Chewer

95.77

    

Social Functioning (2 items)

     

Khat Chewer

56.03

40.44

35.934

44.939

20876b

Non-Khat Chewer

96.47

    

Vitality (4 items)

     

Khat Chewer

52.83

41.38

37.601

45.161

9822.0b

Non-Khat Chewer

94.21

    
  1. Abbreviations: PF Physical functioning, RP Role-physical, BP Bodily pain, GH General health, MH Mental health, RE Role emotional, SF Social functioning, VT Vitality, CV Coefficient of variance, b Asymp. Sig. (two-tailed) - Mann–Whitney U.