Table 3.
Odds Ratios and 95% Confidence Intervals for the Association between DII and Breast Cancer in an Iranian Case-control Study, 2015-2016 (n=298)
| Dietary Inflammatory Index (Tertiles) OR (95% CI) | Ptrend-valuea | DII (Continuous)b OR (95% CI) | P-Value | |||
|---|---|---|---|---|---|---|
| DII | Tertile 1 ≤ -0.46 | Tertile 2-0.45 to +0.95 | Tertile 3 >+0.95 | |||
| Cases/controls | 29/5 | 44/49 | 72/49 | 145/148 | ||
| Age and energy adjusted | 1 (ref.) | 2.39 (1.20, 4.77) | 6.94 (3.26, 14.79) | <0.0001 | 1.76 (1.43, 2.18) | <0.001 |
| Multivariate-adjusted c | 1 (ref.) | 2.26 (1.03, 4.98) | 7.24 (3.14, 16.68) | <0.0001 | 1.80 (1.42, 2.28) | <0.001 |
a
P-value for trend derived using the median approach;
b
One unit increase corresponding to ≈34% of its range in the current study;
c
Adjusted for age, energy, education, exercise (Mets hr/week), BMI, smoking, family history of cancer, age at menarche, parity, marital status, menopausal status, oral contraceptive use and hormone replacement therapy.