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Table 4 Odds ratios and 95% CIs for IBS subtypes across quintiles of DII scorea

From: Adherence to the pro-inflammatory diet in relation to prevalence of irritable bowel syndrome

 Quintiles of DII score 
Median DII−2.05−0.02+ 2.06P-trend
 Crude1.000.84 (0.55–1.26)1.12 (0.76–1.64)0.24
 Multivariable-adjustedb1.000.88 (0.57–1.37)1.15 (0.75–1.75)0.29
 Crude1.000.90 (0.53–1.50)1.33 (0.83–2.13)0.45
 Multivariable-adjustedb1.000.95 (0.54–1.66)1.37 (0.81–2.30)0.49
 Crude1.002.33 (1.25–4.32)1.90 (1.00–3.59)0.16
 Multivariable-adjustedb1.002.31 (1.21–4.39)1.65 (0.84–3.23)0.25
 Crude1.001.02 (0.65–1.61)1.19 (0.76–1.85)0.96
 Multivariable-adjustedb1.001.06 (0.65–1.72)1.21 (0.75–1.94)0.92
  1. aValues are OR (95% CIs). IBS was defined as having recurrent abdominal pain or discomfort at least sometimes in the last 3 months associated with two or more of these criteria: improvement with defecation at least sometimes and onset associated with change in frequency or form (appearance) of stool at least sometimes
  2. IBS-C: IBS with constipation; IBS-D: IBS with diarrhea; IBS-M: mixed IBS; IBS-U: unsubtyped IBS
  3. bAdjusted for sex, physical activity, smoking status, medication use, disease history (diabetes, colitis), psychological distress, regular meal pattern, chewing sufficiency, fluid consumption and dental status