Table 4.
Odds Ratios and 95% Confidence Intervals of Having Improved A1C Values Associated with Travel Burden
| Parameter | OR | 95% confidence interval | p value |
|---|---|---|---|
| Diabetes center ≤10 miles | 2.48 | 1.65, 3.71 | <0.0001 |
| Age (years) | 1.01 | 1.00, 1.02 | 0.004 |
| Gender (male) | 1.01 | 0.73, 1.41 | 0.94 |
| Race (white) | 1.74 | 0.91, 3.33 | 0.09 |
| Diabetes duration (years) | 0.95 | 0.93, 0.98 | 0.001 |
| BMI (kg/m2) | 1.00 | 0.98, 1.02 | 0.83 |
| Percentage with high school degree12 | 0.99 | 0.95, 1.03 | 0.57 |
| Median income (2000 U.S. dollars)12 | 1.00 | 0.99, 1.00 | 0.63 |
| Percentage living below poverty level12 | 1.00 | 0.95, 1.05 | 0.99 |
| Percentage black (County)12 | 0.99 | 0.96, 1.03 | 0.86 |
| Number of center visits | 1.47 | 1.38, 1.57 | <0.0001 |