Sample Characteristics by Care Site*
| Primary Care (n = 2657) | Specialty Care (n = 3415) | P Value | |
|---|---|---|---|
| Mean (SD) | Mean (SD) | ||
| Age, years | 54.0 (10.0) | 55.1 (10.1) | 4.7 × 10-6 |
| BMI, kg/m2 | 34.1 (8.4) | 33.1 (8.0) | 1.9 × 10-6 |
| HbA1c, % | 8.0 (2.0) | 8.1 (1.9) | 9.9 × 10-8 |
| n (%) | n (%) | ||
| Biological sex | |||
| Male | 1185 (44.6%) | 1724 (50.4 %) | ref |
| Female | 1472 (55.4%) | 1691 (49.6%) | 6.0 × 10-6 |
| Race | |||
| White | 401 (15.1%) | 1635 (47.9%) | ref |
| Black | 2173 (81.8%) | 1634 (47.8%) | 2.2 × 10-6 |
| Asian | 83 (3.1%) | 146 (4.3%) | 1.1 × 10-8 |
| Ethnicity | |||
| Non-Hispanic | 2599 (97.8%) | 3307 (96.8%) | ref |
| Hispanic | 58 (2.2%) | 108 (3.2%) | 0.025 |
| Insurance status | |||
| Private | 1557 (58.6%) | 1979 (58.0%) | ref |
| Medicaid | 576 (21.7%) | 506 (14.8%) | 1.3 × 10-7 |
| Medicare | 524 (19.7%) | 930 (27.2%) | 2.3 × 10-7 |
BMI, body mass index; HbA1c, hemoglobin A1c.
* P values for the continuous variables were calculated using the nonparametric Wilcox test. P values for the categorical variables were calculated using the chi square test; in case of more than 2 categories, 1 category is shown as reference (eg, “White”).