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Table 2 Normative data of the PHQ-9 in the general Korean population

From: Normative data and psychometric properties of the Patient Health Questionnaire-9 in a nationally representative Korean population

 

Total

Men

 

Women

 
 

n = 10,759

19–29

n = 522

30–39

n = 792

40–49

n = 827

50–59

n = 812

60–69

n = 815

70–79

n = 630

80-

n = 145

Total

n = 4543

19–29

n = 727

30–39

n = 1101

40–49

n = 1106

50–59

n = 1197

60–69

n = 1042

70–79

n = 809

80-

n = 234

Total

n = 6216

M

2.74

2.37

2.57

1.98

1.96

1.90

2.11

2.40

2.17

3.88

3.37

2.64

2.92

3.35

4.02

3.87

3.29

SEM.

0.04

0.1

0.09

0.1

0.09

0.11

0.09

0.28

0.05

0.14

0.09

0.09

0.1

0.11

0.16

0.26

0.05

Sum Score

Percentile

                

0

35.3

35.2

34.4

41.8

45.4

51.8

49.2

45.6

41.5

20.3

23.7

33.2

31.2

34.7

36.1

34.5

29.3

1

51.4

53.3

50.9

60.0

61.9

65.2

63.1

56.4

58.0

33.8

39.4

50.8

51.3.

48.0

46.7

45.6

45.0

2

63.1

68.8

64.2

73.9

72.7

72.9

71.3

64.7

70.0

46.7

51.6

64.9

62.0

59.4

52.4

50.7

56.5

3

72.8

78.6

74.4

82.3

81.5

83.0

81.0

77.5

79.8

57.3

61.8

73.6

71.2

68.1

61.9

64.0

66.1

4

78.8

82.0

80.7

85.8

86.5

86.3

85.5

82.2

84.2

66.2

73.2

80.1

77.7

73.3

68.3

67.7

73.7

5

83.9

86.7

86.9

89.7

90.6

90.9

87.7

84.9

88.7

74.7

79.7

85.5

82.1

77.7

71.6

71.1

79.2

6

87.8

90.6

89.2

92.0

92.5

93.1

91.2

89.0

91.3

80.8

85.0

89.0

87.5

82.3

77.8

78.8

84.4

7

90.3

93.0

91.5

94.0

93.7

94.5

93.0

92.1

93.2

84.9

89.4

91.5

89.4

84.7

80.1

83.4

87.5

8

92.3

94.7

92.7

96.1

95.4

95.6

94.7

94.1

94.8

87.2

91.7

94.3

91.2

87.4

82.7

85.1

89.8

9

93.8

95.7

94.5

96.9

96.2

96.2

95.7

95.4

95.9

89.5

93.3

95.7

93.3

90.1

85.4

87.9

91.9

10

95.0

96.8

95.9

97.6

96.7

96.7

96.3

95.8

96.7

92.5

94.3

96.0

94.5

92.2

87.7

88.9

93.3

11

95.9

97.7

96.4

98.3

97.5

96.9

96.8

96.4

97.3

94.1

96.0

96.5

95.1

93.0

89.6

90.9

94.5

12

96.7

98.0

97.0

98.7

98.2

97.3

97.6

95.8

97.9

95.4

97.1

97.3

95.7

93.9

91.7

92.6

95.5

13

97.4

98.4

98.5

99.0

98.7

97.9

98.0

96.4

98.5

96.7

97.4

97.6

96.6

95.2

93.0

93.6

96.4

14

97.9

99.1

99.0

99.2

99.4

98.0

98.0

98.0

99.0

97.0

97.8

98.0

97.1

96.3

93.8

94.4

96.9

15

98.4

99.3

99.2

99.2

99.6

98.7

98.2

99.4

99.2

98.4

98.1

98.4

97.9

97.1

95.0

95.9

97.7

16

98.7

99.5

99.3

99.4

99.6

98.9

98.5

99.4

99.3

98.9

98.3

98.5

98.2

97.6

96.0

96.1

98.1

17

99.0

99.5

99.6

99.8

99.6

99.2

98.5

99.4

99.5

99.1

98.5

98.9

98.9

98.1

97.1

97.6

98.6

18

99.2

99.6

99.6

99.8

99.6

99.4

98.6

99.4

99.6

99.4

98.9

98.9

99.0

98.7

98.0

97.9

98.9

19

99.4

99.6

99.6

99.8

99.6

99.6

98.8

100.0

99.6

99.7

99.3

99.1

99.3

99.1

98.7

98.3

99.2

20

99.5

99.7

99.8

99.8

99.6

99.6

99.0

100.0

99.7

99.7

99.5

99.3

99.6

99.4

98.8

98.9

99.4

21

99.7

99.7

100.0

99.8

99.6

99.6

99.2

100.0

99.7

100.0

99.5

99.6

99.7

99.7

99.1

99.6

99.7

22

99.8

99.7

100.0

99.8

99.9

99.9

99.9

100.0

99.9

100.0

99.7

99.6

99.9

99.7

99.1

99.6

99.7

23

99.8

100.0

100.0

100.0

99.9

99.9

99.9

100.0

99.9

100.0

99.9

99.7

99.9

99.7

99.2

100.0

99.8

24

99.9

100.0

100.0

100.0

100.0

99.9

100.0

100.0

100.0

100.0

99.9

99.9

99.9

99.8

99.5

100.0

99.9

25

99.9

100.0

100.0

100.0

100.0

99.9

100.0

100.0

100.0

100.0

99.9

100.0

100.0

99.8

99.5

100.0

99.9

26

99.9

100.0

100.0

100.0

100.0

99.9

100.0

100.0

100.0

100.0

99.9

100.0

100.0

99.8

99.5

100.0

99.9

27

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

100.0

  1. Values are presented as unweighted frequency, weighted percentile rank, and weighted mean (SEM)