Table 4. Relationship between intake of grilled and barbecued meat and risk of aggressive prostate cancer.
| Grilled Meat | Servings per Weeka | P-Trendd | |||
| None | Low | Medium | High | ||
| Beef | |||||
| Case/Control Medianb | 0/0 | 0.25/0.25 | 0.88/0.88 | 2.00/1.63 | |
| Cases/Controls (N) | 131/200 | 85/87 | 124/108 | 129/113 | |
| Odds Ratios (95% CI)c | 1.00 | 1.50 (1.03, 2.19) | 1.69 (1.19, 2.38) | 1.61 (1.13, 2.28) | 0.004 |
| Hamburger | |||||
| Case/Control Medianb | 0/0 | 0.63/0.50 | 1.25/1.25 | 3.00/2.63 | |
| Cases/Controls (N) | 117/180 | 106/117 | 126/121 | 120/90 | |
| Odds Ratios (95% CI)c | 1.00 | 1.41 (0.99, 2.01) | 1.58 (1.11, 2.24) | 1.86 (1.28, 2.71) | 0.001 |
| Pork | |||||
| Case/Control Medianb | 0/0 | 0.25/0.25 | 0.76/0.88 | 1.63/1.63 | |
| Cases/Controls (N) | 195/255 | 95/88 | 96/84 | 83/81 | |
| Odds Ratios (95% CI)c | 1.00 | 1.39 (0.98, 1.97) | 1.44 (1.01, 2.04) | 1.21 (0.83, 1.75) | 0.07 |
| Chicken | |||||
| Case/Control Medianb | 0/0 | 0.63/0.63 | 1.26/1.26 | 3.00/3.00 | |
| Cases/Controls (N) | 128/170 | 107/130 | 103/96 | 131/112 | |
| Odds Ratios (95% CI)c | 1.00 | 1.14 (0.80, 1.61) | 1.43 (0.99, 2.06) | 1.48 (1.04, 2.11) | 0.006 |
| Hot dogs | |||||
| Case/Control Medianb | 0/0 | 0.25/0.25 | 0.63/0.63 | 1.00/1.00 | |
| Cases/Controls (N) | 289/336 | 67/75 | 83/54 | 30/43 | |
| Odds Ratios (95% CI)c | 1.00 | 1.04 (0.72, 1.50) | 1.67 (1.13, 2.45) | 0.71 (0.43, 1.18) | 0.55 |
a
Groupings defined so sufficient numbers are in each group given categorical nature of questionnaire.
b
Median of category, servings per week for cases and controls.
c
Odds ratios adjusted for age, race, institution, and energy intake.
d
P-trend values from continuous model across categories.