Table 1.
Characteristics of Patients With Prediabetes by Clinician Intervention Status and Clinic Location
| Variable | Intervention FM (N=1262) | No intervention FM (N=744) | No intervention GIM (N=986) |
|---|---|---|---|
| n (%) | n (%) | n (%) | |
| DPP referral | 87 (6.9) | 20 (2.7) | 6 (0.6) |
| Age, mean (SD, range) | 56.70 (0.38) (19.0–95.0) | 56.78 (0.51) (19.0–92.0) | 60.42 (0.44) (20.0–95.0) |
| BMI, mean (SD, range) | 33.36 (0.24) (15.5–75.5) | 33.23 (0.31) (15.5–86.2) | 32.39 (0.25) (16.5–80.4) |
| Sex | |||
| Male | 594 (47.1) | 313 (42.1) | 586 (59.4) |
| Female | 668 (52.9) | 431 (57.9) | 400 (40.6) |
| Race | |||
| White | 883 (70.0) | 538 (72.3) | 767 (77.8) |
| Black | 305 (24.2) | 172 (23.1) | 134 (13.6) |
| Other | 74 (5.9) | 34 (4.6) | 85 (8.6) |
| HbA1c value (mean, SD, range) | 5.82 (0.01) (4.3–8.8) | 5.78 (0.01) (4.3–7.1) | 5.80 (0.01) (3.9–6.9) |
| Prediabetes diagnosis, | 40 (3.2) | 36 (4.8) | 69 (7.0) |
| normal HbA1c | |||
| HbA1c location | |||
| Lab | 1,036 (84.8) | 615 (86.9) | 740 (80.7) |
| POC | 186 (15.2) | 93 (13.1) | 177 (19.3) |
| Insurance | |||
| Medicare | 327 (25.9) | 212 (28.5) | 351 (35.6) |
| Employera | 365 (28.9) | 219 (29.4) | 353 (35.8) |
| Other private | 366 (29.0) | 201 (27.0) | 200 (20.3) |
| Medicaid | 141 (11.2) | 80 (10.8) | 64 (6.5) |
| None | 63 (5.0) | 32 (4.3) | 18 (1.8) |
| Insurance pays for DPP | 692 (54.8) | 431 (57.9) | 704 (71.4) |
| Documented prediabetes diagnosis | 780 (61.8) | 515 (69.2) | 623 (63.2) |
a
Health insurance plan offered by university employer where study conducted.
DPP, Diabetes Prevention Program; FM, Family Medicine Clinic; GIM, General Internal Medicine clinic; POC, point of care test.