Table 5.
Rate Ratios (RR) and 95% confidence intervals (CI)a for colorectal cancer (CRC) by Lake Ontario and Erie sport fish consumption, New York State Angler Cohort Study 1991–2008
| Sport-fish consumption | CRC cases (n=32) |
Person-years | Unadjusted RR (95% CI) |
Model 1b RR (95% CI) |
|
|---|---|---|---|---|---|
| Lake Ontario | Lake Erie | ||||
| Non-consumer | Non-consumer | 8 | 39,746 | 1.00 (referent) | 1.00 (referent) |
| Non-consumer | Consumer | 5 | 17,533 | 1.42 (0.46; 4.33) | 1.19 (0.39; 3.66) |
| Consumer | Non-consumer | 12 | 77,113 | 0.77 (0.32; 1.89) | 0.67 (0.28; 1.67) |
| Consumer | Consumer | 7 | 45,087 | 0.77 (0.28; 2.13) | 0.64 (0.23; 1.78) |
a
Rate ratios (RR) and 95% confidence intervals were estimated using Poisson regression models
b
Adjusted for age at baseline, sex, and pack-years of smoking