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Table 3 The risk of TMD according to work-related factors

From: The associations between work-related factors and temporomandibular disorders among female full-time employees: findings from the Fourth Korea National Health and Nutrition Examination Survey IV (2007–2009)

  Unadjusted Model 1a Model 2b
OR 95% CI OR 95% CI OR 95% CI
Occupation
 Manual    1   1  
 Non-manual    1.69 0.99–2.88 1.72 1.01–2.91
Working schedule
 Daytime    1   1  
 Shift work    0.85 0.51–1.40 0.84 0.51–1.39
Employment status
 Regular    1   1  
 Temporary    1.05 0.70–1.57 1.14 0.75–1.72
Working hours (hrs/wk)
  < 40 1   1   1  
 40–48 1.65 1.02–2.67 1.16 0.69–1.93 1.16 0.69–1.94
 49–60 2.05 1.17–3.60 1.39 0.78–2.46 1.41 0.79–2.54
  > 60 2.82 1.49–5.35 2.41 1.28–4.53 2.43 1.29–4.59
  1. aadjusted for general characteristics (i.e., age, educational status, marital status, problem drinking, exercise, and stress)
  2. badjusted for general characteristics (i.e., age, educational status, marital status, problem drinking, exercise, and stress) and other work-related factors