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Table 3 Univariate analyses for wrist/hand symptoms and clinically confirmed CTS

From: Prevalence and risk factors of self-reported wrist and hand symptoms and clinically confirmed carpal tunnel syndrome among office workers in China: a cross-sectional study

Predictors Symptomatic (n=373)
vs.
Asymptomatic (n=596)
OR (95% CI)
Clinically confirmed CTS (n=93) vs.
Clinically uncertain CTS (n=280)
OR (95% CI)
Age 1.02 (0.99 to 1.04) 1.00 (0.96 to 1.04)
Gender
 Male 1 1
 Female 1.27 (0.97 to 1.66) 1.70 (1.01 to 2.85)
BMI
  1.07 (1.02 to 1.11) 1.04 (0.96 to 1.14)
Education
 Secondary & below 1 1
 Diploma 0.37 (0.21 to 0.66) 0.28 (0.06 to 1.27)
 Bachelor 0.57 (0.37 to 0.88) 0.58 (0.05 to 7.42)
 Master & above 0.89 (0.59 to 1.34) 0.21 (0.04 to 0.99)
Smoking
 Yes 1.60 (1.07 to 2.37) 1.22 (0.60 to 2.49)
 No 1 1
Working department
 Information & Technology 1 1
 Finance & Accounting 1.70 (1.18 to 2.44) 0.71 (0.23 to 2.18)
 Marketing 0.63 (0.37 to 1.10) 0.66 (0.24 to 1.77)
 Human Resources 0.82 (0.49 to 1.36) 0.31 (0.13 to 0.76)
 Sales 0.66 (0.40 to 1.07) 0.87 (0.38 to 2.01)
 Others 0.65 (0.44 to 0.95) 0.63 (0.33 to 1.20)
Working experience (yr) 1.03 (1.00 to 1.06) 0.99 (0.94 to 1.05)
Daily computer use (hr) 1.07 (1.01 to 1.12) 0.96 (0.88 to 1.06)
Daily keyboard use (hr) 1.05 (1.01 to 1.11) 1.02 (0.93 to 1.12)
Breaks at work
 Yes 1 1
 No 1.68 (1.15 to 2.44) 1.33 (0.68 to 2.59)
Adjust posture at work
 Yes 1 1
 No 1.71 (1.24 to 2.36) 1.34 (0.75 to 2.41)
Working in pain
 Never 1 1
 Rarely 1.61 (1.11 to 2.35) 2.01 (0.55 to 7.24)
 Sometimes 1.68 (1.10 to 2.56) 1.82 (0.53 to 6.28)
 Often 2.41 (1.47 to 3.94) 3.02 (0.89 to 10.24)
 Always 1.81 (0.76 to 4.32) 3.45 (0.94 to 12.73)
Decision control at work
 Never 1.87 (1.13 to 3.10) 2.08 (0.46 to 9.36)
 Rarely 1.35 (0.84 to 2.18) 1.30 (0.37 to 4.52)
 Sometimes 1.32 (0.80 to 2.19) 1.35 (0.39 to 4.62)
 Often 0.73 (0.34 to 1.53) 1.53 (0.43 to 5.46)
 Always 1 1
  1. Abbreviations: CTS carpal tunnel syndrome, BMI body mass index, OR odds ratio, CI confidence interval, yr year, hr. hour