Table 5. Association between consumption and doneness of grilled and barbecued beef and hamburger and aggressive prostate cancer.
Rare/Medium Donea | Well & Very-Well Done | P-Trendd | ||||
Grilled Meat | None | Low Intake | High Intake | Low Intake | High Intake | |
Beef | ||||||
Case/Control Medianb | 0/0 | 0.50/0.63 | 1.63/1.63 | 0.63/0.50 | 1.26/1.26 | |
Cases/Controls (N) | 131/200 | 93/99 | 92/99 | 81/65 | 69/43 | |
Odds Ratios (95% CI)c | 1.00 | 1.35 (0.94, 1.95) | 1.29 (0.89, 1.88) | 1.92 (1.29, 2.86) | 2.16 (1.37, 3.38) | <0.001 |
Hamburger | ||||||
Case/Control Medianb | 0/0 | 0.63/0.63 | 2.00/2.00 | 0.63/0.63 | 2.25/2.00 | |
Cases/Controls (N) | 117/180 | 60/65 | 47/59 | 113/114 | 128/87 | |
Odds Ratios (95% CI)c | 1.00 | 1.35 (0.88, 2.07) | 1.12 (0.71, 1.79) | 1.51 (1.06, 2.14) | 2.04 (1.41, 2.95) | <0.001 |
Groupings defined so sufficient numbers are in each group given categorical nature of questionnaire.
Median of category, servings per week for cases and controls.
Odds ratios adjusted for age, race, institution, and energy intake.
P-trend values from continuous model across categories.