Table 4 Odds ratios and 95% CIs for IBS subtypes across quintiles of DII score^a

 Crude

0.84 (0.55–1.26)

1.12 (0.76–1.64)

0.24

 Multivariable-adjusted^b

0.88 (0.57–1.37)

1.15 (0.75–1.75)

0.29

 Crude

0.90 (0.53–1.50)

1.33 (0.83–2.13)

0.45

 Multivariable-adjusted^b

0.95 (0.54–1.66)

1.37 (0.81–2.30)

0.49

 Crude

2.33 (1.25–4.32)

1.90 (1.00–3.59)

0.16

 Multivariable-adjusted^b

2.31 (1.21–4.39)

1.65 (0.84–3.23)

0.25

 Crude

1.02 (0.65–1.61)

1.19 (0.76–1.85)

0.96

 Multivariable-adjusted^b

1.06 (0.65–1.72)

1.21 (0.75–1.94)

0.92