Table 3 Odds ratios and confidence intervals for the association between Dietary Inflammatory Index (DII) and irritable bowel syndrome
Dietary Inflammatory Index (categorical) OR (95% CI) | P-trend | DII (Continuous) OR (95% CI) | P-Value | ||||
|---|---|---|---|---|---|---|---|
DII | Quartile1 (<−1.49) | Quartile2 (−1.49 ≤ to < 0.11) | Quartile3 (0.11 ≤ to < 1.65) | Quartile4 (1.65≤) | |||
Crude model | 1 (ref.) | 1.08 (0.59, 2.19) | 1.84 (1.04, 3.26) | 3.33 (1.8, 5.85) | < 0.001 | 1.26 (1.1, 15.38) | < 0.001 |
Age and sex adjusted model | 1 (ref.) | 1.11 (0.6, 2.04) | 1.91 (1.07, 3.41) | 3.65 (2.37, 6.55) | < 0.001 | 1.28 (1.1, 17.41) | < 0.001 |
Multivariate-adjusted model a | 1 (ref.) | 1.30 (0.61, 2.74) | 2.34 (1.13, 4.84) | 5.66 (2.65, 12.07) | < 0.001 | 1.38 (1.2, 1.56) | < 0.001 |