Table 5.
Odds ratios (OR) of prostate cancer risk and corresponding 95% confidence intervals (CI) according to quartiles of dietary inflammatory index (DII), among 72 cases and 302 controls by BMI at age 40, Kingston, Ontario, Canada, 1997–1999.
| Cases/ Controls |
DII quartiles, OR (95% CIa | DII conitnuous | p value for interaction | ||||
|---|---|---|---|---|---|---|---|
| < −0.52 | −0.52,−0.20 | −0.21,0.68 | >0.68 | ||||
| BMI at age 40 (kg/m2)a | 0.20 | ||||||
| <25 | 40/170 | 1.0 b | 1.40 (0.49, 3.97) | 1.67 (0.55, 5.07) | 2.48 (0.64, 9.64) | 1.29 (0.76, 2.19) | |
| ≥25 | 32/132 | 1.0 b | 4.97 (1.18, 20.87) | 3.64 (0.78, 17.07) | 5.77 (1.09, 30.49) | 1.94 (1.02, 3.67) | |
a
Adjusted for age, family history of prostate cancer, physical activity as a teenager and energy intake.
b
Reference category.