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

Published in final edited form as: Br J Nutr. 2014 Dec 17;113(2):292–298. doi: 10.1017/S0007114514003626

Table 4.

Odds ratios^* of pancreatic cancer for the energy-adjusted dietary inflammatory index (DII), stratified by sex, BMI and smoking status, among 326 cases and 652 controls in a case–control study conducted in Italy between 1991 and 2008

(Odds ratios and 95 % confidence intervals)

	DII quintiles									P_trend	OR^†	95 % CI
	<−1·28	−1·28, −0·39		−0·38, +0·37		+0·38, +1·26		≥+1·27
	OR	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI
Sex
Men	1^‡	1·28	0·61, 2·68	1·77	0·87, 3·60	1·47	0·73, 3·00	1·85	0·91, 3·76	0·10	1·17	1·00, 1·36
Women	1^‡	2·20	1·09, 4·46	1·98	0·93, 4·21	2·57	1·20, 5·49	3·71	1·73, 7·94	0·001	1·33	1·12, 1·57
BMI (kg/m²)
<25·0	1^‡	2·42	1·09, 5·35	1·71	0·77, 3·77	1·58	0·72, 3·51	2·24	1·03, 4·86	0·16	1·16	0·98, 1·38
25·0–29·9	1^‡	1·13	0·52, 2·47	1·80	0·83, 3·93	2·59	1·21, 5·53	2·32	1·03, 5·21	0·005	1·29	1·08, 1·54
≥30·0	1^‡	1·72	0·39, 7·62	1·59	0·32, 8·03	0·57	0·10, 3·29	2·24	0·46, 10·84	0·61	1·17	0·85, 1·62
Smoking status
Never smoker	1^‡	1·39	0·67, 2·90	1·70	0·81, 3·59	2·18	1·03, 4·61	2·32	1·08, 4·99	0·01	1·25	1·06, 1·48
Ex-smoker	1^‡	2·84	1·08, 7·47	3·48	1·33, 9·10	2·24	0·84, 5·94	3·37	1·22, 9·35	0·07	1·20	0·98, 1·48
Current smoker	1^‡	1·45	0·50, 4·19	0·96	0·33, 2·79	1·35	0·46, 3·97	1·80	0·66, 4·89	0·26	1·21	0·97, 1·51

Adjusted for age, sex, study centre, year of interview, education, BMI, smoking status, alcohol drinking, and history of diabetes.

^†

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

^‡

Reference category.