Table 2.
Characteristics of PRINS Patient Visits and NAMCS Patient Visits
| Percentage of Visits, Weighted | ||
| Characteristic | PRINS | NAMCS Mean (95% CI) |
| Specialty of the clinician | ||
| Family medicine/general practice | 55.0 | 46.4 (43.5–49.3) |
| Internal medicine | 4.3 | 31.1 (28.7–33.5) |
| Pediatrics | 38.7 | 22.5 (20.6–24.5) |
| Other | 2.0 | 0.0 (–) |
| Sex | ||
| Male | 41.1 | 44.2 (43.8–44.7) |
| Female | 58.4 | 55.8 (55.3–56.2) |
| Missing | 0.5 | 0.0 (–) |
| Age, years | ||
| ≤ 14 | 43.1 | 27.4 (25.8–28.9) |
| 15–24 | 10.4 | 7.3 (6.9–7.6) |
| 25–44 | 15.5 | 20.2 (19.5–21.0) |
| 45–64 | 20.2 | 23.1 (22.4–23.7) |
| 65–74 | 6.5 | 11.1 (10.6–11.6) |
| ≥ 75 | 4.6 | 10.9 (10.2–11.6) |
| Missing | 0.7 | 0.0 (–) |
| Ethnicity | ||
| Non-Hispanic | 84.7 | 68.1 (65.4–70.7) |
| Hispanic | 12.5 | 9.4 (7.3–11.5) |
| Missing | 2.8 | 22.6 (20.1–25.0) |
| Race | ||
| White | 61.0 | 85.2 (82.7–87.6) |
| Black/African American | 25.4 | 10.2 (8.5–12.0) |
| Asian | 2.3 | 4.0 (2.2–5.8) |
| Native Hawaiian/other Pacific Islander | 0.1 | 0.4 (0.3–0.5) |
| American Indian/Alaska Native | 0.7 | 0.1 (0.1–0.2) |
| More than 1 race | 6.5 | 0.1 (0.0–0.1) |
| Missing | 4.0 | 0.0 (–) |
| Insurance | ||
| Private insurance | 47.2 | 57.7 (56.0–59.4) |
| Medicare | 9.7 | 18.2 (17.0–19.3) |
| Medicaid | 25.2 | 10.0 (8.7–11.2) |
| Self-pay | 9.1 | 5.4 (4.8–6.0) |
| No charge | 0.5 | 0.3 (0.3–0.3) |
| Worker’s compensation | 0.3 | 1.0 (0.8–1.2) |
| Other | 5.4 | 4.4 (3.9–4.8) |
| Don’t know or missing | 2.5 | 3.1 (2.8–3.5) |
| Major reason for visit | ||
| Acute problem | 48.5 | 46.3 (45.3–47.2) |
| Chronic problem, routine | 18.2 | 23.0 (22.0–23.9) |
| Chronic problem, flare-up | 8.2 | 7.4 (7.0–7.9) |
| Presurgery or postsurgery/injury follow-up | 1.1 | 2.0 (1.8–2.2) |
| Nonillness care/preventive care | 22.8 | 18.4 (17.5–19.3) |
| Missing | 1.1 | 2.9 (2.4–3.5) |
| Clinician is this patient’s primary care clinician | ||
| Yes | 76.6 | 84.2 (83.0–85.5) |
| No | 17.5 | 10.5 (9.6–11.4) |
| Don’t know | 5.9 | 5.3 (4.5–6.1) |
| Any diagnostic service or other assessment provided | ||
| Yes | 98.8 | 76.4 (74.9–78.0) |
| No/missing | 1.2 | 23.6 (22.0–25.1) |
| Blood pressure obtained | ||
| Yes | 58.9 | 57.5 (55.7–59.2) |
| No | 41.1 | 42.5 (40.8–44.3) |
| Any counseling/education services provided | ||
| Yes | 63.8 | 36.5 (35.1–38.0) |
| No/missing | 36.2 | 63.5 (62.0–64.9) |
| Counseling/education on diet/nutrition provided | ||
| Yes | 37.7 | 19.2 (18.4–20.0) |
| No | 62.3 | 80.8 (80.0–81.6) |
| Counseling/education on growth/development provided | ||
| Yes | 14.4 | 4.8 (4.4–5.2) |
| No | 85.6 | 95.2 (94.8–95.6) |
| Counseling/education on tobacco use/exposure provided | ||
| Yes | 10.6 | 3.5 (3.2–3.8) |
| No | 89.4 | 96.5 (96.2–96.8) |
PRINS = Primary Care Network Survey; NAMCS = National Ambulatory Medical Care Survey; CI = confidence interval.