Table 3.
Within-Group Changes in Outcome Measures by Intervention
Outcome | Desired Direction | Intervention | T2-T1 | P | T3-T2 | P |
---|---|---|---|---|---|---|
SPSI-R, total score | Positive | PSST | 1.03 | < .001 | 0.27 | N/S |
NDS | 0.36 | .046 | 0.33 | .05 | ||
POMS-TMD | Negative | PSST | −22.1 | < .001 | −9.33 | < .009 |
NDS | −17.4 | < .001 | −2.78 | N/S | ||
BDI-SQRT | Negative | PSST | −0.69 | < .001 | −0.54 | < .001 |
NDS | −0.67 | < .001 | −0.14 | N/S | ||
IES-R, total score | Negative | PSST | −7.30 | < .001 | −4.01 | .012 |
NDS | −5.81 | < .001 | −2.27 | N/S |
Abbreviations: BDI-SQRT, Beck Depression Inventory-Square Root Transformation; IES-R, Impact of Event Scale-Revised; NDS, nondirective support; N/S, not significant; POMS-TMD, Profile of Mood States-Total Mood Disturbance; PSST, problem-solving skills training; SPSI-R, Social Problem-Solving Inventory-Revised; T1, prerandomization; T2, immediately postintervention; T3, at 3-month follow-up.