TABLE 3.
Post hoc analyses: LMM analyzing difference between two study arms, and treatment effect postintervention and at long-term follow-up
| LMM analyses | Short-term | Long-term | |||||||
|---|---|---|---|---|---|---|---|---|---|
| From baseline to 2-years follow-up | Postintervention vs baseline | 1-Year follow-up vs baseline | 2-Years follow-up vs baseline | ||||||
| MCGP-SGP | MCGP-CAU | SGP-CAU | MCGP-SGP | MCGP-CAU | MCGP-SCP | MCGP-CAU | MCGP-SGP | MCGP-CAU | |
| P | P | P | Cohen’s d, P | Cohen’s d, P | Cohen’s d, P | Cohen’s d, P | Cohen’s d, P | Cohen’s d, P | |
| Intention-to-treat | |||||||||
| PMP | |||||||||
| Total score | 1.00 | .12 | .17 | ||||||
| Goal-orientedness | 1.00 | <.001** | .055 | 1.07, <.001** | 0.12, 1.00 | −0.04, 1.00 | |||
| PMP | |||||||||
| Positive relationsa | 1.00 | .025* | .91 | 0.59, .008* | 0.41, .21 | 0.82, .005* | |||
| Purpose in life | .22 | .080 | 1.00 | ||||||
| Completers | |||||||||
| SPWB | |||||||||
| Personal growth | .020* | .28 | 1.00 | 0.65, .012* | 0.94, .007* | 0.34, .68 | |||
Abbreviations: MCGP: meaning-centered group psychotherapy; SGP: supportive group psychotherapy; CAU: care as usual; PMP: Personal Meaning Profile; SPWB: Scales of Psychological Well-Being.
a
LMM analyses are corrected for baseline score.
*
P < .05
**
P < .005.