. Author manuscript; available in PMC: 2016 Mar 30.

Published in final edited form as: Br J Nutr. 2014 Nov 17;113(2):278–283. doi: 10.1017/S0007114514003572

Table 3.

Odds ratios of prostate cancer according to quartiles of the dietary inflammatory index (DII), among 1294 cases and 1451 controls, in the study conducted in Italy between 1991 and 2002 (Odds ratios and 95 % confidence intervals)

	DII quartile cut-points (median)				P_trend	OR^*	95 % CI
	<21·98 (22·61)	21·98, 20·83 (21·39)	20·84, 0·48 (20·20)	>0·49 (1·44)	P_trend	OR^*	95 % CI
Cases (n)	279	337	363	315
Controls (n)	326	354	383	388
Age-adjusted OR	1^†	1·05	1·04	0·89	0·22	1·00	0·92, 1·01
95 % CI		0·84, 1·31	0·84, 1·30	0·71, 1·11
Multivariable OR^‡	1^†	1·19	1·32	1·33	0·04	1·06	1·00, 1·13
95 % CI		0·94, 1·50	1·03, 1·69	1·01, 1·76

Continuous OR for a one-unit increment in the DII, corresponding to approximately 7 % of its global range.

^†

Reference category.

^‡

Adjusted for age, study centre, BMI, years of education, social class, smoking status, family history of prostate cancer, and total energy intake.