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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.