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Table 3 Adjusted odds ratios (95 % CI)a trend of DAD for combined effect and by interactions of computer use and working hours

From: Computer use at work is associated with self-reported depressive and anxiety disorder

Working hours
Computer use 20–39 h 40 h 41–50 h 51–60 h 61 h -
combined effect
 <1/2 1.3 (0.93–1.81) 1 1.02 (0.76–1.37) 0.73 (0.53–1.00) 1.39 (1.03–1.87)
 1/2–3/4 1.98 (0.84–4.67) 0.74 (0.43–1.27) 1.51 (0.98–2.31) 1.51 (0.90–2.53) 0.92 (0.4–2.15)
 >3/4 2.48 (1.12–5.53) 0.86 (0.52–1.40) 1.88 (1.24–2.86) 2.12 (1.26–3.57) 2.74 (1.55–4.86)
by interactions
 <1/2 1 1 1 1 1
 1/2–3/4 1.85 (0.74–4.61) 0.74 (0.41–1.33) 1.49 (0.96–2.3) 1.63 (0.92–2.89) 0.71 (0.31–1.66)
 >3/4 2.64 (1.07–6.52) 0.89 (0.51–1.57) 1.91 (1.23–2.97) 2 (1.08–3.68) 2.13 (1.18–3.84)
 p for trend 0.023 0.636 0.003 0.020 0.048
  1. aAdjusted for sex, age, education, occupational group, job status, problem drinking, and current smoking (Model 2)