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. 2015 Dec 22;49(1):45–52. doi: 10.3961/jpmph.15.029

Table 2.

Odds ratios (ORs) and 95% confidence intervals (Cls) of overall and sub-sites of colorectal cancer risk in relation to history of diabetes mellitus (DM)

Site (for cases) Men (n=2599)
Women (n=1196)
No. of participants No.of DM (%) Age-adjusted OR2 (95% CI) Multivariate1 OR2 (95% CI) No. of participants No. of DM (%) Age-adjusted OR2 (95% CI) Multivariate1 OR2 (95% CI)
Controls 1878 184 (9.8) 1.00 (reference) 1.00 (reference) 897 53 (5.9) 1.00 (reference) 1.00 (reference)
Cases Overall 721 113 (15.7) 1.47 (1.13, 1.90) 1.53 (1.16, 2.01) 349 40 (11.5) 1.92 (1.24, 2.98) 1.95 (1.20, 3.17)
Proximal 137 21 (15.3) 1.44 (0.88, 2.37) 1.50 (0.90, 2.50) 77 8 (10.4) 1.59 (0.72, 3.52) 1.74 (0.76, 4.00)
Distal 210 43 (20.5) 2.02 (1.39, 2.95) 2.06 (1.40, 3.04) 129 15 (11.6) 2.02 (1.09, 3.74) 1.97 (1.03, 3.79)
Rectum 374 49 (13.1) 1.19 (0.84, 1.68) 1.25 (0.87, 1.79) 143 17 (11.9) 2.04 (1.13, 3.67) 2.02 (1.07, 3.82)
1

Adjusted for age, body mass index, alcohol consumption, overcooked meat consumption and physical activity.

2

OR estimates for overall colorectal cancer by binary logistic regression and subsite specific colorectal cancer by polytomous logistic regression.