Table 3.
Multiple Linear Regression Analysis of the Effect of Independent Variables on Clinical Status (GAF Symptoms) at Start of First Treatmenta
| Block Model Summary for Each Step |
Contribution of Separate Variables for Last Step |
||||||
| Block No., Variable | R2 Change | F Change | β | SD | T | P Value | 95% CI |
| Constant | 28.15 | (0.8) | 35.00 | <.001 | (26.56 to 29.73) | ||
| 1 | |||||||
| DUPb | 0.041 | 6.69 | .202 | (0.61) | 2.59 | .011 | (0.38 to 2.82) |
| 2 | |||||||
| Drug abuse | 0.026 | 4.42 | −.16 | (0.49) | −2.10 | 0.037 | (−2.03 to −0.06) |
| 3 | |||||||
| IC vs no-IC period | 0.055 | 9.7 | −.24 | (1.0) | −3.16 | .002 | (−5.52 to −1.23) |
Note: GAF, Global Assessment of Functioning Scale; CI, confidence interval; DUP, duration of untreated psychosis; IC, Information Campaigns; no-IC, no Information Campaigns.7
Final model, R2 = 0.11; F = 9,71; P = .002.
Transformed to its natural logarithm.