Table 3.
Repeated Measures and Parameter P Values From Mixed Models
| Month 3 | Month 6 | Month 12 | Probability Values | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Measure | n | Mean ± SD | n | Mean ± SD | n | Mean ± SD | Tx | Month | Tx × Month | Baseline |
| SIGH-ADS | ||||||||||
| DCM | 203 | 16.0 ± 8.34 | 206 | 14.5 ± 8.41 | 197 | 11.0 ± 7.12 | .0435 | <.0001 | .0204 | <.0001 |
| EUC | 210 | 15.7 ± 8.58 | 213 | 12.0 ± 7.96 | 208 | 10.4 ± 7.72 | ||||
| SF-12 | ||||||||||
| Mental | ||||||||||
| DCM | 183 | 39.7 ± 12.04 | 186 | 41.4 ± 11.93 | 168 | 45.1 ± 10.85 | .0410 | <.0001 | .0122 | <.0001 |
| EUC | 195 | 39.2 ± 11.60 | 183 | 45.0 ± 10.90 | 179 | 46.7 ± 10.36 | ||||
| Physical | ||||||||||
| DCM | 183 | 52.8 ± 7.85 | 186 | 52.9 ± 7.21 | 168 | 52.1 ± 8.00 | .0186 | .1104 | .1044 | <.0001 |
| EUC | 195 | 51.9 ± 8.89 | 183 | 50.4 ± 9.76 | 179 | 51.3 ± 8.54 | ||||
| GAF | ||||||||||
| DCM | 178 | 69.9 ± 12.84 | 185 | 72.0 ± 13.40 | 175 | 75.4 ± 11.74 | .2671 | <.0001 | .1980 | <.0001 |
| EUC | 198 | 69.3 ± 12.73 | 194 | 74.1 ± 13.03 | 195 | 76.1 ± 12.47 | ||||
| GRAT | ||||||||||
| DCM | 169 | 3.91 ± 0.61 | 175 | 4.06 ± 0.55 | 158 | 4.21 ± 0.48 | .0364 | <.0001 | .6659 | <.0001 |
| EUC | 184 | 3.99 ± 0.54 | 178 | 4.17 ± 0.57 | 174 | 4.27 ± 0.49 | ||||
Abbreviations: DCM = telephone-based depression care management, EUC = enhanced usual care, GAF = Global Assessment of Functioning, GRAT = Gratification in the Maternal Role, SF-12 = Short-Form Health Survey, SIGH-ADS = 29-Item Structured Interview Guide for the Hamilton Depression Rating Scale with Atypical Depression Supplement, Tx = treatment.