Characteristics of sample for detailed review of the primary care electronic medical record chart (n = 900)
| Clinic | Setting | No. of patients (% of sample) | Mean age, yr | Age range, yr |
|---|---|---|---|---|
| A | Urban | 85 (9.4) | 66 | 23–99 |
| B | Urban | 97 (10.8) | 65 | 22–93 |
| C | Urban | 180 (20.0) | 62 | 19–103 |
| D | Rural | 181 (20.1) | 68 | 28–97 |
| E | Rural | 179 (19.9) | 67 | 22–95 |
| F | Urban | 178 (19.8) | 62 | 18–98 |