Table 2 The relative frequency of fish consumption by age category
| Â | N | 18-29 y | 30-49 y | 50+ y | Total | Chi-square |
|---|---|---|---|---|---|---|
n | n | n | n | (LR) | ||
(%) | (%) | (%) | (%) | p-value | ||
Fish consumption at 10 y of age | 333 | Â | Â | Â | Â | Â |
 None |  | 9 (9.4%) | 10 (6.1%) | 4 (5.5%) | 23 (6.9%) | 101 <0.0001 |
 Hardly ever/occasionally |  | 32 (33.3%) | 26 (15.9%) | 3 (4.1%) | 61 (18.3%) |  |
 Once a month |  | 24 (25.0%) | 38 (23.2%) | 2 (2.7%) | 64 (19.2%) |  |
 Several times a month |  | 28 (29.2%) | 96 (42.1%) | 24 (32.9%) | 121 (36.4%) |  |
 Every day |  | 3 (3.1%) | 21 (12.8%) | 40 (54.8%) | 64 (19.2%) |  |
Walleye consumption over past year | 382 | Â | Â | Â | Â | Â |
 Not at all |  | 23 (19.5%) | 29 (15.7%) | 9 (11.4%) | 61 (16.0%) | 3.44 0.486 |
 A few times |  | 60 (50.9%) | 96 (51.9%) | 48 (60.8%) | 204 (53.4%) |  |
 Often |  | 35 (29.7%) | 60 (32.4%) | 22 (27.9%) | 117 (30.6%) |  |