Clinical Study
Undiagnosed Diabetes in Breast, Colorectal, Lung, and Prostate Cancer: Incidence and Risk Factors
Table 4
Multivariate analyses of undiagnosed diabetes (all 3 measures of prior health system contact in each model).
| | Type of cancer | | Breast | Colorectal | Lung | Prostate | | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | | Lower | Upper | Lower | Upper | Lower | Upper | Lower | Upper |
| Age at diagnosis (years) | | | | | | | | | | | | | 67–70 | Reference | 71–75 | 1.18 | 0.83 | 1.70 | 1.16 | 0.91 | 1.47 | 1.05 | 0.86 | 1.27 | 0.88 | 0.66 | 1.16 | 76–80 | 1.28 | 0.90 | 1.84 | 1.06 | 0.83 | 1.35 | 0.98 | 0.81 | 1.20 | 0.91 | 0.68 | 1.23 | >80 | 1.28 | 0.91 | 1.81 | 1.15 | 0.91 | 1.45 | 0.86 | 0.70 | 1.06 | 1.37 | 1.03 | 1.82 | Gender | | | | | | | | | | | | | Male | Not applicable | Reference | Not applicable | Female |
Not applicable | 0.86 | 0.75 | 0.99 | 0.95 | 0.83 | 1.08 | Not applicable | Race/ethnicity | | | | | | | | | | | | | White | Reference | Black | 1.63 | 1.17 | 2.28 | 1.37 | 1.08 | 1.75 | 1.38 | 1.11 | 1.73 | 0.86 | 0.61 | 1.21 | Hispanic | 1.12 | 0.65 | 1.91 | 1.38 | 1.02 | 1.87 | 1.62 | 1.18 | 2.22 | 1.49 | 1.03 | 2.16 | Other | 1.39 | 0.83 | 2.33 | 1.48 | 1.11 | 1.96 | 1.43 | 1.06 | 1.92 | 0.80 | 0.50 | 1.26 | Year of diagnosis | | | | | | | | | | | | | 1999 | Reference | 2000 | 0.78 | 0.56 | 1.10 | 1.12 | 0.89 | 1.42 | 0.87 | 0.71 | 1.08 | 0.97 | 0.72 | 1.31 | 2001 | 0.98 | 0.71 | 1.35 | 1.30 | 1.03 | 1.63 | 0.88 | 0.72 | 1.09 | 0.84 | 0.62 | 1.14 | 2002 | 0.94 | 0.67 | 1.30 | 1.23 | 0.97 | 1.55 | 0.97 | 0.78 | 1.19 | 0.80 | 0.59 | 1.09 | Percent in census tract with some college | | | | | | | | | | | | | <25% | Reference | ≥25% | 0.77 | 0.61 | 0.95 | 0.89 | 0.77 | 1.02 | 0.86 | 0.75 | 0.99 | 0.89 | 0.72 | 1.10 | Percent in census tract living in poverty | | | | | | | | | | | | | <5% | Reference | 5–7% | 1.37 | 0.95 | 1.97 | 0.98 | 0.77 | 1.24 | 1.01 | 0.81 | 1.27 | 1.20 | 0.85 | 1.69 | 8–12% | 1.40 | 1.01 | 1.94 | 1.11 | 0.91 | 1.35 | 1.08 | 0.89 | 1.31 | 1.44 | 1.08 | 1.92 | >12% | 1.68 | 1.24 | 2.28 | 1.20 | 0.99 | 1.44 | 1.06 | 0.86 | 1.32 | 1.41 | 1.06 | 1.87 | Type of geographic area | | | | | | | | | | | | | Large metropolitan | Reference | Metropolitan | 1.04 | 0.81 | 1.34 | 0.90 | 0.77 | 1.07 | 0.82 | 0.70 | 0.96 | 0.82 | 0.64 | 1.04 | Urban | 1.27 | 0.84 | 1.92 | 1.03 | 0.77 | 1.36 | 0.83 | 0.63 | 1.10 | 0.92 | 0.69 | 1.40 | less urban/rural | 0.89 | 0.61 | 1.31 | 1.04 | 0.83 | 1.31 | 1.07 | 0.86 | 1.32 | 1.10 | 0.81 | 1.49 | | | | | | | | | | | | | | 0 | Reference | 1 | 1.11 | 0.85 | 1.46 | 0.90 | 0.75 | 1.08 | 0.94 | 0.80 | 1.10 | 0.81 | 0.61 | 1.08 | ≥2 | 1.28 | 0.90 | 1.80 | 1.01 | 0.81 | 1.25 | 0.88 |
0.73 | 1.06 | 1.02 | 0.72 | 1.45 | Preventive services | | | | | | | | | | | | | 0 | Reference | 1 | 0.67 | 0.51 | 0.87 | 0.77 | 0.65 | 0.92 | 1.11 | 0.93 | 1.33 | 0.80 | 0.61 | 1.04 | ≥2 | 0.34 | 0.26 | 0.46 | 0.58 | 0.48 | 0.70 | 0.91 | 0.76 | 1.10 | 0.48 | 0.36 | 0.63 | Types of physician visits | | | | | | | | | | | | | None | Reference | Primary care and medical specialist | 0.36 | 0.26 | 0.51 | 0.56 | 0.45 | 0.69 | 52 | 0.42 | 0.65 | 0.41 | 0.29 | 0.56 | Primary care, no medical specialist | 0.43 | 0.30 | 0.62 | 0.59 | 0.47 | 0.75 | 0.64 | 0.50 | 0.80 | 0.67 | 0.48 | 0.94 | Medical specialist, no primary care | 0.74 | 0.52 | 1.06 | 0.78 | 0.62 | 0.99 | 0.73 | 0.57 | 0.93 | 0.69 | 0.50 | 0.96 | Other specialist only | 1.06 | 0.66 | 1.71 | 0.87 | 0.60 | 1.27 | 0.93 | 0.65 | 1.33 | 0.89 | 0.53 | 1.49 |
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OR: odds ratio; CI: confidence interval.
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