Table 3.

 Association of medium and high (versus lowest tertile) macronutrient and food constituent intake and relapse in ulcerative colitis

	Median daily consumption		Categorical analysis (comparing tertiles to tertile of lowest dietary intake)			Continuous analysis
	Relapse	Non-relapse	Medium intake OR (95% CI)	High intake OR (95% CI)	LRT p	OR*	95% CI
Macronutrients
Energy (kJ)	11567	10657	1.32 (0.57–3.06)	2.81 (1.14–6.93)	0.053	1.01	1.00–1.02
Fat (g)	100	94	1.30 (0.57–2.96)	2.52 (1.06–5.97)	0.085	1.06	0.99–1.13
Fibre (g)	21	22	1.06 (0.31–3.70)	0.88 (0.34–2.29)	0.916	1.08	0.76–1.55
Carbohydrate (g)	291	319	0.94 (0.41–2.14)	1.31 (0.56–3.06)	0.698	1.02	0.99–1.05
Protein (g)	97	88	1.38 (0.60–3.15)	3.00 (1.25–7.19)	0.034	1.13	1.01–1.26
Alcohol (g)	14	10	1.21 (0.53–2.79)	2.42 (1.04–5.62)	0.088	1.19	1.01–1.41
Food constituents
Non-starch polysaccharide (g)	16.4	16.3	1.07 (0.48–2.39)	1.14 (0.51–2.55)	0.954	1.18	0.76–1.83
Sulphur (mg)	396	350	1.28 (0.57–2.87)	2.76 (1.19–6.40)	0.039	1.02	1.00–1.05
Sulphate (mg)	668	636	1.45 (0.64–3.30)	2.61 (1.08–6.30)	0.089	1.02	1.00–1.04

*Odds ratio per 10 units of dietary variable, except for energy for which the odds ratio is per 100 kJ.

OR (95% CI), odds ratio (95% confidence interval).

p value from likelihood ratio test (LRT).