Table 1. Demographic and Clinical Characteristics, Study of Patients (N = 14,584) With Prediabetes, Kaiser Permanente Northern California 2013.
| Characteristic | N (%) |
|---|---|
| Age, Y, mean (SD) | 59.0 (11.2) |
| Age categories, y | |
| 18–39 | 798 (5.5) |
| 40–49 | 2,040 (14.0) |
| 50–59 | 4,308 (29.5) |
| 60–69 | 4,735 (32.5) |
| 70–80 | 2,703 (18.5) |
| Sex | |
| Female | 5,872 (40.3) |
| Male | 8,712 (59.7) |
| Race/ethnicity | |
| American Indian/Alaska Native | 67 (0.5) |
| Asian | 2,787 (19.1) |
| Black or African American | 803 (5.5) |
| Hispanic | 1,702 (11.7) |
| Native Hawaiian or other Pacific Islander | 105 (0.7) |
| White | 8,313 (57.0) |
| Unknown | 807 (5.5) |
| Body mass index (BMI) (kg/m2), mean, SD | 30.5 (6.3) |
| BMI categories | |
| <25 (Normal) | 2,242 (15.4) |
| 25–29 (Overweight) | 5,076 (34.8) |
| ≥30 (Obese) | 6,258 (42.9) |
| Unknown | 1,008 (6.9) |
| Fasting plasma glucose categories, mg/dL | |
| 110–114 | 7,790 (53.4) |
| 115–119 | 4,210 (28.9) |
| 120–125 | 2,584 (17.7) |
| Patients with diagnosis of prediabetes at enrollment | 9,007 (61.8) |
| Number of primary care visits in previous year | |
| 0 | 774 (5.3) |
| 1 | 3,769 (25.8) |
| 2 | 3,493 (24.0) |
| 3 | 2,472 (16.9) |
| ≥4 | 4,076 (28.0) |
Abbreviations: BMI, body mass index; SD, standard deviation.