Table 6 Interaction between computer exposure variables and mobile phone use at baseline, and symptoms of depression: two items (new cases), at 1-year follow-up
MEN | WOMEN | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mobile phone use | Mobile phone use | |||||||||||
Low | Medium | High | Low | Medium | High | |||||||
Computer exposure | Cases (%) | PR (95% CI) | Cases (%) | PR (95% CI) | Cases (%) | PR (95% CI) | Cases (%) | PR (95% CI) | Cases (%) | PR (95% CI) | Cases (%) | PR (95% CI) |
CU without breaks | ||||||||||||
High | 12 (17) | 0.9 (0.46–1.94) | 4 (22) | … | 0 (0) | … | 10 (29) | 1.9 (1.06–3.40) | 5 (38) | 2.4 (1.13–5.09) | 6 (40) | 2.3 (1.18–4.58) |
Medium | 18 (14) | 1.0 (0.51–1.81) | 7 (16) | 1.2 (0.52–2.62) | 3 (9) | … | 33 (27) | 1.7 (1.09–2.52) | 14 (28) | 1.8 (1.04–3.06) | 14 (39) | 2.3 (1.38–3.87) |
Low | 15 (14) | 1.0 (ref) | 9 (21) | 1.8 (0.85–3.75) | 8 (18) | 1.7 (0.76–3.68) | 37 (17) | 1.0 (ref) | 19 (22) | 1.3 (0.78–2.08) | 20 (29) | 1.6 (1.02–2.62) |