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Table 1 Demographic characteristics of KNHANES surveyees aged ≥50 by AUDIT scores

From: Association between alcohol consumption and osteoarthritis prevalence in Korea as assessed by the alcohol use disorders identification test (AUDIT): a cross-sectional study

Factors / Subgroup

AUDIT scorea

Zone I

Zone II

Zone III

Zone IV

 

Total

5220

1187

369

389

 
 

N

%

N

%

N

%

N

%

p value

Age (years)b

62.39 ± 0.18

59.33 ± 0.28

57.82 ± 0.38

57.43 ± 0.38

 

Sex

 Male

1985

38.0

973

82.0

346

93.8

366

94.1

< 0.001*

 Female

3235

62.0

214

18.0

23

6.2

23

5.9

 

Household income

 Lower quartile

1605

31.1

290

24.8

78

21.2

78

20.3

< 0.001*

 Middle-lower quartile

1327

25.7

309

26.4

81

22.1

102

26.6

 

 Middle-upper quartile

1111

21.5

259

22.1

85

23.2

98

25.5

 

 Upper quartile

1117

21.7

313

26.7

123

33.5

106

27.6

 

Education

 Elementary school graduate or lower

2475

47.4

392

33.1

113

30.6

114

29.5

< 0.001*

 Middle school graduate or lower

881

16.9

248

21.0

61

16.5

84

21.7

 

 High school graduate or lower

1217

23.4

366

31.0

129

35.0

127

32.8

 

 College graduate or higher

640

12.3

176

14.9

66

17.9

62

16.0

 

Occupation

 Managing, administrative and professional positions

280

5.4

96

8.2

36

9.8

32

8.3

< 0.001*

 Office work

119

2.3

50

4.2

28

7.6

25

6.5

 

 Service and sales industry

541

10.4

140

11.9

36

9.8

47

12.1

 

 Agriculture and fishery

686

13.2

191

16.2

72

19.6

70

18.1

 

 Engineering and equipment and machinery operation and assembly

312

5.9

192

16.3

68

18.5

76

19.6

 

 Simple labor

624

12.0

134

11.4

34

9.2

39

10.1

 

 Unemployment (including housewives and students)

2646

50.8

375

31.8

94

25.5

98

25.3

 

Marital status

 Married

5176

99.2

1176

99.2

365

98.9

383

98.7

0.138

 Single

42

0.8

10

0.8

4

1.1

5

1.3

 

Urban-rural gradient

 Urban area

3840

73.6

883

74.4

270

73.2

270

69.4

0.422

 Rural area

1380

26.4

304

25.6

99

26.8

119

30.6

 

Smoking status

 Non-smoker

3356

64.3

315

26.5

63

17.1

56

14.4

< 0.001*

 Former smoker

1229

23.6

464

39.1

164

44.4

162

41.7

 

 Current smoker

633

12.1

408

34.4

142

38.5

171

43.9

 

Body mass index (kg/m2)

 mean ± SD

24.00 ± 0.06

24.22 ± 0.10

23.83 ± 0.17

24.08 ± 0.19

 

 Underweight

141

2.7

22

1.9

11

3.0

8

2.1

0.862

 Normal

3296

63.3

721

61.0

234

63.6

238

61.3

 

 Overweight

1769

34.0

439

37.1

123

33.4

142

36.6

 

Regular exercise

 Yes

458

8.8

128

10.8

38

10.3

32

8.2

 

 No

4753

91.2

1057

89.2

330

89.7

357

91.8

0.126

  1. KNHANES Korean National Health and Nutrition Examination Survey; AUDIT Alcohol Use Disorders Identification Test;
  2. *Statistical significance was set as p < 0.05
  3. a AUDIT scores are calculated as the sum of 10 items, and were categorized into Zone I (0–7), Zone II (8–15), Zone III (16–19), and Zone IV (20+)
  4. b Continuous variables are presented as mean ± standard deviation (SD)