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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)