Table 1.
Sample Characteristics.
| Patient, Provider, and Practice Characteristics | Count | (%) |
|---|---|---|
| Full sample | 170,570 | (100.0%) |
| Patient Sex | ||
| Male | 68,511 | (40.2%) |
| Female | 102,059 | (59.8%) |
| Patient Age | ||
| Range | 18 to 89 years | |
| Age <50 | 85,273 | (50.0%) |
| Age ≥50 | 85,297 | (50.0%) |
| Patient Race | ||
| White | 110,036 | (64.5%) |
| Black | 43,403 | (25.5%) |
| Asian | 5419 | (3.2%) |
| Pacific Islander | 102 | (0.1%) |
| Native American | 129 | (0.1%) |
| Other/Unknown | 11,481 | (6.7%) |
| Patient Ethnicity | ||
| Not Hispanic/Latino | 167,021 | (97.9%) |
| Hispanic/Latino | 3549 | (2.1%) |
| Patient Insurance Coverage | ||
| Private Insurance | 126,417 | (74.1%) |
| Medicare | 32,895 | (19.3%) |
| Medicaid | 10,874 | (6.4%) |
| Uninsured | 384 | (0.2%) |
| Patient Visits with PCP in 2012 | ||
| Range | 0 to 43 visits | |
| Median | 2 visits | |
| Patient had a Preventive Visit in 2012 | ||
| No | 132,437 | (77.6%) |
| Yes | 38,133 | (22.4%) |
| PCP Type | ||
| Attending Physician | 143,777 | (86.4%) |
| Resident Physician | 10,818 | (6.5%) |
| Physician Assistant | 6383 | (3.8%) |
| Nurse Practitioner | 5443 | (3.3%) |
| Practice Location | ||
| Suburban | 110,688 | (64.9%) |
| Urban | 59,882 | (35.1%) |
| Practice Size (# patients seen in 2012) | ||
| Small (<1000) | 2560 | (1.5%) |
| Medium (1000–4999) | 56,028 | (32.9%) |
| Large (≥5000) | 111,982 | (65.7%) |
| Practice Specialty/Residency Status | ||
| Family Medicine, no residents | 34,737 | (20.4%) |
| Internal Medicine, no residents | 109,353 | (64.1%) |
| Family Medicine, with residents | 7469 | (4.4%) |
| Internal Medicine, with residents | 19,011 | (11.2%) |
| Checkbox used for other social hx | ||
| No | 8288 | (4.4%) |
| Yes | 162,282 | (95.1%) |
Hx, history; PCP, primary care provider.
Note: The PCP is the one designated on each patient's chart within the electronic health record.