Table 3 Comparison of QOL among the three graded depression groups

Physical functioning

72.17 ± 18.88

67.97 ± 21.81

60.33 ± 21.97

0.091

Role-physical

56.67 ± 39.90

47.30 ± 39.43

15.00 ± 25.09

< 0.001*

Bodily pain

82.53 ± 18.65

72.19 ± 19.82

62.72 ± 24.72

< 0.001*

General health status

50.67 ± 18.57

39.81 ± 16.60

31.33 ± 14.80

< 0.001*

Vitality

72.00 ± 13.10

59.32 ± 15.10

48.83 ± 16.01

< 0.001*

Social functioning

76.15 ± 16.83

66.76 ± 16.64

56.22 ± 20.42

< 0.001*

Role-emotional

75.56 ± 40.05

52.27 ± 44.14

21.10 ± 34.44

< 0.001*

Mental health

77.33 ± 13.43

70.92 ± 14.00

56.13 ± 16.76

< 0.001*