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. Author manuscript; available in PMC: 2018 Aug 13.
Published in final edited form as: Nutr Cancer. 2017 Jul 18;69(6):833–839. doi: 10.1080/01635581.2017.1339815

Table 4.

Odds ratios (OR) of renal cell carcinoma and corresponding 95% confidence intervals (CI) according to dietary inflammatory index (DII) among 767 cases and 1534 controls. Italy, 1992–2004.

DII quartiles, OR (95% CI)
 p
value
for
trend		 DII
continuousa,
OR (95%
CI)
−5.20, −1.88 −1.88,−0.66 −0.65,0.78 0.78, 5.00
Cases/Controls 163/383 187/384 206/384 211/383 767/1534
Model 1b 1 c 1.25 (0.96,
1.64)		 1.44 (1.09,
1.91)		 1.57 (1.15,
2.15)		 0.005 1.11 (1.04,
1.18)
Model 2d 1 c 1.20 (0.90,
1.58)		 1.31 (0.97,
1.76)		 1.41 (1.02,
1.97)		 0.04 1.08 (1.01,
1.15)
a

One-unit increase equals to approximately 10% of its range (5.00 to −5.20).

b

Conditioned on study centre and quinquennia of age and adjusted for energy intake.

c

Reference category.

d

Model 1 additionally adjusted for year of interview, education, body mass index, tobacco smoking, and family history of renal cell carcinoma.