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Table 2 Prevalence and odds ratios (OR) of self-reported CTS by sociodemographic and health factors of interest among office workers (Kuwait City, 2008)

From: Prevalence and risk factors associated with self-reported carpal tunnel syndrome (CTS) among office workers in Kuwait

 

Total respondents

% (n) with CTS

OR

95% CI for OR

Adjusted OR*

95% CI for Adjusted OR*

Gender

456

     

 Male

254

13.4 (34)

1.0

Reference

1.0

Reference

 Female

202

25.3 (51)

2.2

1.4, 3.5

4.7

2.1, 10.3

Age group (years)

456

     

 20–30

276

16.7 (46)

1.0

Reference

  

 31–40

109

27.5 (30)

1.9

1.1, 3.2

  

 41–50

54

16.7 (9)

1.0

0.5, 2.2

  

 51+

17

17.7 (3)

1.1

0.3, 3.9

  

Body mass index

422

     

 Underweight

8

0.0 (0)

NE

NE

omitted

omitted

 Normal

160

16.2 (26)

1.0

Reference

1.0

Reference

 Overweight

167

15.6 (26)

1.0

0.5, 1.7

0.8

0.3, 1.9

 Obese

87

29.9 (26)

2.2

1.2, 4.1

3.7

1.5, 9.6

Self-rated health

404

     

 Excellent/very good

170

10.0 (17)

0.4

0.2, 3.3

  

 Good

160

23.1 (37)

1.0

Reference

  

 Fair/poor

74

35.1 (26)

1.8

1.0, 3.3

  

Previous wrist injury

405

     

 Yes

82

29.3 (24)

1.9

1.1, 3.3

  

 No

323

18.0 (58)

1.0

Reference

  

Computer use

389

     

 None

8

0.0 (0)

NE

NE

  

 < 3 hours per day

111

14.4 (16)

1.0

Reference

  

 > 3 hours per day

270

21.1 (57)

1.7

0.9, 3.1

  

Number of comorbidities

373

     

 0

244

10.2 (25)

1.0

Reference

1.0

Reference

 1

70

28.6 (20)

3.5

1.8, 6.8

4.9

2.0, 12.3

 2

35

31.4 (11)

4.0

1.8, 9.2

3.3

1.1, 9.7

 3+

24

62.5 (15)

14.6

5.8, 36.8

14.9

4.8, 46.5

Exercise frequency

361

     

 0 hours/week

137

24.8 (34)

1.0

Reference

  

 1 hour/week

112

21.4 (24)

0.8

0.5, 1.5

  

 ≥2 hours/week

112

9.8 (11)

0.3

0.2, 0.7

  

Smoking status

355

     

 Yes

94

19.1 (18)

1.0

Reference

  

 No

261

19.2 (50)

1.0

0.5, 1.8

  
  1. Abbreviations: CI, confidence interval; CTS, carpal tunnel syndrome; NE, not estimable; OR, odds ratio.
  2. *Estimated from multivariable logistic regression. Variables shown remained in best-fit model following backward selection starting from a model including all variables in the table; n = 245 respondents with no missing values.