Table 3.
Means and Within-Group Significance Tests for Secondary Outcome Measures: GRIP vs. TAU
| Baseline1 | Post-test | Follow-up | Baseline to Post-test | Baseline to Follow-up | |||||
|---|---|---|---|---|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | t | p | d | t | p | d | |
| GRIP | |||||||||
| PANSS-POS2 | 13.00 (5.42) | 12.18 (5.27) | 12.00 (5.08) | 1.10 | 0.28 | −0.18 | 1.03 | 0.32 | −0.17 |
| PANSS-NEG | 14.39 (4.80) | 14.27 (3.68) | 14.00 (3.86) | 0.53 | 0.60 | −0.10 | 0.58 | 0.57 | −0.12 |
| PANSS-GEN | 28.43 (6.93) | 28.05 (7.49) | 26.90 (7.69) | 0.82 | 0.42 | −0.11 | 1.44 | 0.17 | −0.23 |
| PANSS-TOT | 55.83 (14.11) | 54.50 (14.55) | 52.90 (15.46) | 1.10 | 0.28 | −0.16 | 1.47 | 0.16 | −0.22 |
| MSPSS | 51.04 (7.77) | 51.36 (6.28) | 51.35 (7.57) | −0.41 | 0.69 | 0.09 | −0.39 | 0.70 | 0.11 |
| CDSS | 3.91 (4.40) | 2.24 (2.26) | 1.90 (2.49) | 1.33 | 0.20 | −0.34 | 3.02 | <0.01* | −0.52 |
| BEMIB | 29.70 (5.33) | 28.73 (6.35) | 28.58 (7.22) | 0.89 | 0.38 | −0.14 | 0.63 | 0.54 | −0.19 |
| SWB | 120.22 (24.30) | 116.86 (17.92) | 118.80 (19.81) | 0.39 | 0.70 | −0.08 | 0.38 | 0.71 | −0.07 |
| AUS-Alcohol | 1.52 (0.79) | 1.73 (0.70) | 1.95 (0.59) | −0.89 | 0.38 | 0.23 | −2.36 | 0.03* | 0.47 |
| DUS-Worst | 1.30 (0.76) | 1.55 (1.01) | 1.33 (0.58) | −0.79 | 0.44 | 0.29 | 0.00 | 1.00 | 0.00 |
| TAU | |||||||||
| PANSS-POS | 13.43 (4.90) | 12.95 (5.28) | 13.10 (4.44) | 0.21 | 0.83 | −0.05 | 0.21 | 0.84 | −0.05 |
| PANSS-NEG | 14.83 (5.00) | 15.41 (5.16) | 15.10 (4.21) | −0.36 | 0.72 | 0.09 | 0.00 | 1.00 | 0.00 |
| PANSS-GEN | 28.30 (7.36) | 28.50 (6.38) | 27.62 (7.03) | −0.10 | 0.92 | 0.02 | 0.56 | 0.58 | −0.13 |
| PANSS-TOT | 56.57 (13.59) | 56.86 (14.18) | 55.81 (13.23) | −0.11 | 0.92 | 0.03 | 0.36 | 0.73 | −0.09 |
| MSPSS | 48.09 (9.59) | 51.23 (8.35) | 52.81 (7.88) | −2.68 | 0.01* | 0.29 | −2.75 | 0.01* | 0.44 |
| CDSS | 3.70 (4.04) | 2.45 (3.42) | 1.29 (1.68) | 1.40 | 0.18 | −0.26 | 2.65 | 0.02* | −0.59 |
| BEMIB | 28.26 (4.62) | 30.27 (5.87) | 29.86 (5.56) | −2.82 | 0.01* | 0.43 | −1.40 | 0.18 | 0.28 |
| SWB | 108.96 (21.96) | 112.23 (19.28) | 116.92 (17.21) | −0.46 | 0.65 | 0.08 | −1.51 | 0.15 | 0.28 |
| AUS-Alcohol | 1.57 (0.66) | 1.68 (0.65) | 1.67 (0.58) | −1.00 | 0.33 | 0.13 | −1.00 | 0.33 | 0.15 |
| DUS-Worst | 1.43 (0.84) | 1.32 (0.72) | 1.33 (0.66) | 1.37 | 0.19 | −0.15 | 0.25 | 0.80 | −0.06 |
p < .05
Means reported at baseline, post-test and follow-up include all observed cases, although t-tests and within-group effect sizes (d) are conducted with matched samples.
PANSS-POS=Positive and Negative Syndrome Scale-Positive subscale; PANSS-NEG= Positive and Negative Syndrome Scale-Negative Subscale; PANSS-GEN= Positive and Negative Syndrome Scale-General Subscale; PANSS-TOT= Positive and Negative Syndrome Scale-total score; MSPSS=Multidimensional Scale of Perceived Social Support; CDSS=Calgary Depression Scale for Schizophrenia; BEMIB=Brief Evaluation of Medication Influences and Beliefs; SWB=Scales of Well-Being; AUS-Alcohol=Alcohol Use Scale-Alcohol item; DUS-Worst=Drug Use Scale-highest level of use of any drug.