Table 3.
Within-group differences and effect sizes (ES) for the primary outcome.
| Primary outcome, PCS | Mean difference T2-T5a (n) |
95% CI T2-T5 |
ES for T2-T5 | P-valueb | Mean difference T1-T5a (n) |
95% CI T1-T5 |
ES for T1-T5 | P-valueb | |
| ITT (complete case analysis) |
|
|
|
|
|
|
|
|
|
|
|
Intervention | -2.60 (8.72), 42 | -5.32, .11 | .29 | .06 | -7.36 (7.87), 39 | -9.91, -4.81 | .80 | < .001 |
|
|
Control | -.21 (7.32), 40 | -2.55, 2.13 | .02 | .86 | -5.30 (7.30), 41 | -7.60, -2.99 | .56 | < .001 |
| ITT (LOCF) |
|
|
|
|
|
|
|
|
|
|
|
Intervention | -2.36 (8.41), 68 | -4.39, -.32 | .23 | .02 | -7.57 (8.23), 63 | -9.64, -5.50 | .76 | < .001 |
|
|
Control | .40 (7.20), 65 | -1.39, 2.18 | -.04 | .66 | -4.65 (7.43), 62 | -6.54, -2.76 | .47 | < .001 |
| ITT (MI) |
|
|
|
|
|
|
|
|
|
|
|
Intervention | -2.61, 63 | -5.33, .10 |
|
.06 | -8.22, 63 | -10.86, -5.57 |
|
< .001 |
|
|
Control | -.15, 59 | -2.75, 2.46 |
|
.91 | -5.79, 62 | -8.12, -3.46 |
|
< .001 |
| Per protocol (complete case analysis) |
|
|
|
|
|
|
|
|
|
|
|
Intervention | -3.04 (8.74), 37 | -5.95, -.12 | 0.33 | .04 | -7.23 (8.01), 34 | -10.03, -4.44 | .77 | < .001 |
|
|
Control | -.21 (7.32), 40 | -2.55, 2.13 | 0.02 | .86 | -5.30 (7.30), 41 | -7.60, -2.99 | .56 | < .001 |
| Per protocol (MI) |
|
|
|
|
|
|
|
|
|
|
|
Intervention | -2.45, 45 | -5.29, .38 |
|
.09 | -7.93, 43 | -10.72, -5.14 |
|
< .001 |
|
|
Control | -.27, 57 | -2.84, 2.30 |
|
.84 | -5.85,60 | -8.15, -3.54 |
|
< .001 |
a T1, at admission to the inpatient program; T2, at discharge from the inpatient program; T5, 11-month follow-up.
b P values for paired samples t-tests.