Table 2.
Changes in Primary Care Performance from 1998 to 2000, Unadjusted
| 1998 Average (N = 4,173) | 2000 Average (N = 4,173) | 2000 to 1998 Difference (95 % Confidence Interval) | Effect Size* | |
|---|---|---|---|---|
| Quality of physician-patient interaction | ||||
| Communication | 80.3 | 77.3 | −3.0 (−3.7 to −2.3) | −0.19‡ |
| Interpersonal treatment | 75.8 | 73.5 | −2.3 (−3.2 to −1.6) | −0.12‡ |
| Thoroughness of physical exam | 76.6 | 74.0 | −2.6 (−3.5 to −1.7) | −0.13‡ |
| Trust | 79.8 | 80.5 | 0.7 (−0.07 to 1.5) | 0.05 |
| MD knowledge of patient | 68.9 | 71.4 | 2.5 (1.6 to 3.3) | 0.12‡ |
| Structural/organizational features of care | ||||
| Financial access | 39.7 | 36.6 | −3.1 (−4.2 to −2.0) | −0.15‡ |
| Organizational access | 65.5 | 66.6 | 1.1 (0.2 to 2.0) | 0.06† |
| Visit-based continuity | 92.7 | 88.3 | −4.4 (−5.4 to −3.3) | −0.26‡ |
| Integration | 76.7 | 75.5 | −1.2 (−2.3 to −0.01) | −0.06† |
*
Effect size is computed as mean change in score from 1998 to 2000, divided by standard deviation of scale (1998).
†
P ≤ .05;
‡
P ≤ .001.