Table 5: Multivariate analyses of undiagnosed diabetes (each measure of health system contact in a separate model)*.

Type of cancer
BreastColorectalLungProstate
OR95% CIOR95% CIOR95% CIOR95% CI
LowerUpperLowerUpperLowerUpperLowerUpper

NCI comorbidity index
 0Reference category
 10.880.671.140.770.640.920.820.710.960.610.460.80
 ≥21.020.731.430.880.711.090.750.630.900.740.531.05
Preventive services
 0Reference category
 10.520.410.670.650.560.770.890.761.050.590.470.75
 ≥20.240.180.300.460.390.540.680.580.790.310.240.39
Types of physician visits
 NoneReference category
 Primary care and medical specialist0.210.160.280.400.330.490.480.400.580.250.190.33
 Primary care, no medical specialist0.300.210.410.470.380.580.610.500.760.490.360.68
 Medical specialist, no primary care0.550.390.780.640.510.790.700.560.870.500.380.68
 Other specialist only0.830.521.330.750.521.090.910.641.300.730.441.22

Multivariate models also included age, gender (colorectal and lung cancer only), race/ethnicity, year of diagnosis, education, percent in census tract with some college, percent in census tract living in poverty, and type of geographic area. OR: odds ratio; CI: confidence interval.