Table 1 Baseline characteristics of the study population, stratified by prior outpatient diabetes screening test and screening test results
| Â | Prior outpatient screening result | No prior outpatient screening | p-value | ||
|---|---|---|---|---|---|
Normoglycemic range | Prediabetes range | Diabetes range | |||
N = 25,087 | N = 40,483 | N = 59,855 | N = 53,328 | ||
Age (years; mean ± standard deviation) | 55.7 ± 14.5 | 59.1 ± 12.6 | 58.9 ± 12.6 | 53.4 ± 13.6 | < 0.001 |
Female | 13,547 (54.0) | 20,096 (49.6) | 28,575 (47.7) | 21,355 (40.0) | < 0.001 |
Income quintile | |||||
 1 (lowest) | 6156 (24.6) | 9112 (22.5) | 13,984 (23.4) | 13,562 (25.5) | < 0.001 |
 2 | 5360 (21.4) | 8884 (22.0) | 13,401 (22.4) | 11,846 (22.3) | |
 3 | 5209 (20.8) | 8440 (20.9) | 12,516 (20.9) | 10,773 (20.3) | |
 4 | 4468 (17.8) | 7467 (18.5) | 10,827 (18.1) | 9377 (17.6) | |
 5 (highest) | 3838 (15.3) | 6518 (16.1) | 9046 (15.1) | 7604 (14.3) | |
Rural residence | 1658 (6.6) | 3231 (8.0) | 5747 (9.6) | 5161 (9.7) | < 0.001 |
 Previous comorbidities | |||||
 Hypertension | 13,176 (52.5) | 24,366 (60.2) | 34,899 (58.3) | 17,280 (32.4) | < 0.001 |
 Dyslipidemia | 6202 (24.7) | 9453 (23.4) | 9936 (16.6) | 3360 (6.3) | < 0.001 |
 Chronic kidney disease | 970 (3.9) | 1189 (2.9) | 1760 (2.9) | 754 (1.4) | < 0.001 |
 Asthma or COPD | 6237 (24.9) | 9992 (24.7) | 13,768 (23.0) | 8572 (16.1) | < 0.001 |
 Cancer | 2098 (8.4) | 3491 (8.6) | 5021 (8.4) | 2333 (4.4) | < 0.001 |
 Liver disease | 463 (1.8) | 476 (1.2) | 748 (1.2) | 522 (1.0) | < 0.001 |
 Dementia | 505 (2.0) | 555 (1.4) | 732 (1.2) | 415 (0.8) | < 0.001 |
 Recent psychiatric hospitalizationa | 763 (3.0) | 689 (1.7) | 966 (1.6) | 749 (1.4) | < 0.001 |
Primary care visits (median, IQR)b | 5 (3–9) | 4 (2–7) | 4 (2–6) | 2 (1–4) | < 0.001 |