Table 3.
Descriptive summaries of the treatment outcome measures for the PAI (n=16) and waitlist (n=12) groups.
| Pre-assessment M (SD) |
Post-assessment M (SD) |
Resultsa (Group) |
|||||
|---|---|---|---|---|---|---|---|
| Measure | PAI | WL | PAI | WL | F | p | η2p |
| Positive Emotions Composite | −0.41 (.96) | −0.40 (.54) | 0.73 (.87) | −0.02 (.79) | 6.89 | .015 | .22 |
| PANAS-PA | 23.50 (8.43) | 24.25 (5.79) | 32.63 (7.36) | 27.42 (6.87) | |||
| mDES-Positive emotions | 15.56 (8.04) | 15.08 (3.20) | 24.31 (7.73) | 17.75 (6.41) | |||
| Negative Emotions Composite | 0.17 (.62) | 0.70 (.89) | −0.91 (.40) | 0.29 (1.11) | 10.68 | .003 | .30 |
| PANAS-NA | 25.25 (7.04) | 30.17 (9.43) | 15.13 (3.56) | 26.00 (9.53) | |||
| mDES-Negative emotions | 18.81 (6.83) | 23.83 (7.85) | 8.56 (4.59) | 20.25 (12.02) | |||
| Psychological Well-Being Composite | −0.25 (.77) | −0.34 (.81) | 0.76 (.81) | −0.35 (.87) | 16.91 | .000 | .40 |
| SWLS | 14.75 (6.94) | 14.25 (6.41) | 22.69 (6.83) | 13.67 (6.68) | |||
| QLES-Q | 38.06 (7.46) | 36.92 (9.22) | 47.75 (9.75) | 37.50 (9.65) | |||
| Anxiety Symptoms Composite | 0.14 (.54) | 0.40 (.62) | −0.61 (.68) | 0.23 (.91) | 5.97 | .022 | .19 |
| OASIS | 10.89 (3.05) | 10.33 (4.36) | 5.25 (3.00) | 8.92 (4.83) | |||
| STAI-Trait | 45.00 (7.25) | 49.33 (2.67) | 43.27 (7.47) | 49.25 (6.34) | |||
| Depression Symptoms Composite | 0.29 (.90) | 0.47 (.77) | −0.87 (.55) | 0.29 (.97) | 16.01 | .000 | .39 |
| BDI-II | 24.19 (11.73) | 27.33 (9.59) | 7.73 (5.79) | 24.58 (14.38) | |||
| PHQ-9 | 12.19 (5.84) | 12.92 (5.09) | 5.81 (4.04) | 12.08 (5.25) | |||
Note. PAI = Positive Activity Intervention; WL = Waitlist; PANAS = Positive and Negative Affect Schedule; PA = positive affect; NA = negative affect; mDES = Modified Differential Emotions Scale; SWLS = Satisfaction with Life Scale; Q-LES-Q = Quality of Life Enjoyment and Satisfaction Questionnaire; OASIS = Overall Anxiety and Severity and Impairment Scale; STAI = Spielberger State-Trait Anxiety Inventory (STAI); BDI-II = Beck Depression Inventory II; PHQ-9 = Patient Health Questionnaire.
a
Analysis of covariance (ANCOVA) results comparing the PAI and WL groups at post-assessment controlling for pre-assessment dependent outcomes.