Table 2.
Predictors remaining undiagnosed with Type 2 diabetes at one-year following index HbA1c*
| Variable | aOR (95% CI) | P-value |
|---|---|---|
| Index age; years (referent: 50–59) | ||
| 21–29 | 0.98 (0.66–1.47) | 0.927 |
| 30–39 | 1.14 (0.95–1.37) | 0.167 |
| 40–49 | 0.99 (0.87–1.12) | 0.819 |
| 60–69 | 1.12 (1.01–1.25) | 0.036 |
| 70+ | 1.40 (1.24–1.59) | < 0.001 |
| Index HbA1c (referent: 53 to < 64 mmol/mol; 7 to < 8%) | ||
| 48 to < 53 mmol/mol (6.5 to < 7%) | 5.95 (5.21–6.78) | < 0.001 |
| 64 to < 75 mmol/mol (8 to < 9%) | 0.33 (0.22–0.48) | < 0.001 |
| 75 to < 86 mmol/mol (9 to < 10%) | 0.27 (0.17–0.44) | < 0.001 |
| ≥ 86 mmol/mol (≥ 10%) | 0.15 (0.10–0.21) | < 0.001 |
| Gender (referent: male) | 0.93 (0.86–1.01) | 0.167 |
| Race (referent: white) | ||
| Black | 1.26 (1.10–1.45) | 0.001 |
| Asian | 1.07 (0.95–1.20) | 0.282 |
| Latino | 1.03 (0.92–1.16) | 0.624 |
| Other | 1.17 (1.01–1.36) | 0.034 |
| Neighborhood Deprivation Index (referent: 1st quartile) | ||
| 2nd quartile | 1.01 (0.91–1.13) | 0.800 |
| 3rd quartile | 0.91(0.82–1.02) | 0.117 |
| 4th quartile | 1.01 (0.89–1.14) | 0.882 |
| Preceding diagnoses (referent: no) | ||
| Chronic renal disease | 0.93 (0.81–1.07) | 0.097 |
| Cardiovascular disease | 1.05 (0.95–1.15) | 0.358 |
| Hyperlipidaemia | 0.72 (0.66–0.78) | < 0.001 |
| Hypertension | 0.90 (0.82–0.98) | 0.014 |
| Prediabetes | 1.35 (1.24–1.47) | < 0.001 |
| Depression | 0.90 (0.80–1.01) | 0.082 |
| Recent corticosteroid (referent: no) | 1.27 (1.12–1.43) | < 0.001 |
| BMI (referent: normal) | ||
| Overweight | 0.81 (0.71–0.92) | 0.001 |
| Obese | 0.71 (0.62–0.80) | < 0.001 |
| HbA1c ordering provider (referent: PCP) | ||
| Non-PCP | 1.46 (1.32–1.62) | < 0.001 |
| PCP years practice (referent: ≥ 20 years) | ||
| < 10 | 0.90 (0.81–1.01) | < 0.001 |
| 10 to < 20 | 0.74 (0.63–0.87) | 0.069 |
*
Model included random effects for PCP and medical facility.