Table 3.
Results of a dose-response meta-analysis.
| Years of night shift work |
||||
|---|---|---|---|---|
| 1 year |
10 years |
20 years |
30 years |
|
| Pooled risk ratios and pooled odds ratios for prostate cancer (95% confidence interval) | ||||
| Cohort studies | 1.01 (1.00–1.02) | 1.11 (0.99–1.25) | 1.23 (0.98–1.55) | 1.37 (0.97–1.94) |
| Case-control studies | 1.02 (1.00–1.04) | 1.23 (1.02–1.48) | 1.51 (1.04–2.19) | 1.86 (1.06–3.25) |
| Combined (only reliable studiesa) | 1.01 (1.00–1.02) | 1.12 (1.04–1.20) | 1.24 (1.08–1.43) | 1.39 (1.12–1.72) |
a
Four cohort and five case-control studies provided in Supplementary material H.