Table 1.
Baseline characteristics by Lake Ontario sport fish consumption, New York State Angler Cohort Study, 1991
| Baseline Characteristics | Non-Consumers (n=6,173) |
Consumers (n=9,635) |
|
|---|---|---|---|
| n (%) | pa | ||
| Education | 0.35 | ||
| <High school | 266 (4.31) | 404 (4.19) | |
| High school graduate | 2563 (41.52) | 4113 (42.69) | |
| >High school | 3344 (54.17) | 5118 (53.12) | |
| Age at baseline (years) | <0.001 | ||
| ≤30 | 2631 (42.62) | 3684 (38.24) | |
| 31–35 | 1951 (31.61) | 3097 (32.14) | |
| ≥36 | 1591 (25.77) | 2854 (29.62) | |
| Sex | <0.001 | ||
| Male | 3182 (51.55) | 6853 (71.13) | |
| Female | 2991 (48.45) | 2782 (28.87) | |
| Race | <0.001 | ||
| Caucasian | 6018 (98.09) | 9323 (97.54) | |
| Other | 117 (1.91) | 235 (2.46) | |
| Ulcerative colitis | 0.97 | ||
| Yes | 42 (0.68) | 65 (0.67) | |
| No | 6131 (99.32) | 9570 (99.33) | |
| Cigarette smoking (pack-years) | <0.001 | ||
| Never Smokers | 2907 (47.09) | 4117 (42.73) | |
| ≤20 | 2796 (45.29) | 4520 (46.91) | |
| >20 | 470 (7.61) | 998 (10.36) | |
| Years of eating Lake Ontario fish | |||
| ≤3 | 2607 (27.06) | ||
| >3 to ≤8 | 3892 (40.39) | ||
| >8 | 3136 (32.55) | ||
| mean (SD) | pb | ||
| Years of fishing in New York State | 17.32 (9.31) | 20.18 (8.54) | <0.001 |
| Person-years of follow-up | 16.42 (3.22) | 16.53 (3.04) | 0.04 |
| median (IQR) | pc | ||
| Age at CRC diagnosisd | 49.40 (5.89) | 50.75 (9.54) | <0.001 |
Abbreviations: SD=standard deviation; IQR = inter-quartile range; CRC colorectal cancer.
a
X2 test of differences between strata.
b
Student’s t-test.
c
Wilcoxon signed rank test.
d
CRC cases only