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Table 3 Odds ratios and confidence intervals for the association between Dietary Inflammatory Index (DII) and irritable bowel syndrome

From: “Association between dietary inflammatory index (DII) and risk of irritable bowel syndrome: a case-control study”

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
  1. Binary logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs)
  2. aAdjusted for age, sex, BMI, energy, Smoking, passive smoking, physical activity, marital status, occupation status, Education status, depression, anxiety