Table 2.
Multiple linear regression of diagnostic and treatment outcomes on PCP and practice characteristics
| Outcome | ||||
|---|---|---|---|---|
| Use of psychotropic drugs | Concern to overlook physical disease | Relief from symptom burden | Lack of guideline knowledge | |
| B (CI 95%) | B (CI 95%) | B (CI 95%) | B (CI 95%) | |
| Years of experience as PCP | ||||
| 11–20 | 0.06 (-0.09, 0.22) | -0.27*** (-0.42, -0.12) | 0.03 (-0.13, 0.19) | 0.13 (-0.10, 0.37) |
| 21–30 | -0.02 (-0.18, 0.14) | -0.25** (-0.41, -0.09) | -0.06 (-0.23, 0.10) | 0.21 (-0.04, 0.46) |
| > 30 | 0.08 (-0.12, 0.28) | -0.44*** (-0.64, -0.24) | -0.05 (-0.25, 0.16) | 0.001 (-0.31, 0.32) |
| Gender female | 0.05 (-0.07, 0.17) | 0.04 (-0.08, 0.16) | -0.04 (-0.16, 0.09) | -0.30*** (-0.49, -0.12) |
| Collaborative practice | 0.06 (-0.07, 0.18) | -0.01 (-0.13, 0.11) | 0.07 (-0.06, 0.19) | 0.06 (-0.13, 0.25) |
| Practice region | ||||
| Small town (5 000–19 999 Inh.) | -0.12 (-0.30, 0.06) | -0.13 (-0.31, 0.05) | 0.02 (-0.17, 0.21) | -0.11 (-0.39, 0.17) |
| Medium town (20 000–99 999 Inh.) | 0.02 (-0.16, 0.20) | -0.09 (-0.27, 0.09) | 0.06 (-0.12, 0.25) | 0.08 (-0.21, 0.37) |
| Large town (> 100 000 Inh.) | 0.02 (-0.15, 0.19) | -0.19* (-0.36, -0.03) | -0.04 (-0.21, 0.13) | -0.09 (-0.35, 0.17) |
| Number of patients | ||||
| 500–1000 | -0.02 (-0.38, 0.34) | -0.24 (-0.60, 0.11) | 0.07 (-0.30, 0.44) | 0.26 (-0.30, 0.82) |
| 1001–1500 | 0.14 (-0.22, 0.50) | -0.15 (-0.51, 0.21) | 0.15 (-0.22, 0.52) | 0.31 (-0.25, 0.87) |
| > 1500 | 0.29 (-0.09, 0.66) | -0.32 (-0.69, 0.05) | 0.07 (-0.32, 0.45) | 0.02 (-0.57, 0.60) |
| Constant | 3.38*** (2.99, 3.78) | 4.29*** (3.90, 4.69) | 4.18*** (3.77, 4.59) | 4.08*** (3.47, 4.70) |
| Observations | 1,492 | 1,494 | 1,497 | 1,489 |
| R2 | 0.01 | 0.02 | 0.004 | 0.01 |
| Adjusted R2 | 0.01 | 0.02 | -0.003 | 0.01 |
| Residual Std. Error | 1.15 (df = 1480) | 1.14 (df = 1482) | 1.19 (df = 1485) | 1.80 (df = 1477) |
| F Statistic | 1.73 (df = 11; 1480) | 3.42*** (df = 11; 1482) | 0.58 (df = 11; 1485) | 1.99* (df = 11; 1477) |
Note:*p < 0.05; **p < 0.005; ***p < 0.0025 (Bonferroni adjusted alpha level for 20 statistical tests)