Table 4.
Secondary outcomes: pre-post changes in study outcome measures.
| Pre-post changes in self-report and physical activity outcomes (Secondary Aim) | |||||
|---|---|---|---|---|---|
| Measure | 12 weeks | ||||
| EMD | SE | z | P | ES | |
| Accelerometer-measured physical activity outcomes | |||||
| MVPA (mean min/day) | 7.20 | 5.51 | 1.31 | .19 | .62 |
| Mean total daily steps | 431.1 | 913.9 | 0.47 | .64 | .23 |
| Psychological outcomes | |||||
| Positive affect (PANAS) | 5.41 | 2.56 | 2.11 | .035* | .94 |
| Dispositional optimism (LOT-R) | 2.38 | 1.84 | 1.29 | .20 | .57 |
| Depression (HADS-D) | −3.64 | 1.07 | −3.38 | .001* | 1.49 |
| Anxiety (HADS-A) | −2.84 | 1.08 | −2.62 | .009* | 1.20 |
| Internal locus of control (MHLC) | 3.74 | 0.90 | 4.16 | <.001* | 1.93 |
| Perceived social support (MSPSS) | -.49 | 2.83 | −0.17 | .86 | .08 |
| Exercise self-efficacy (SEE) | 8.88 | 5.19 | 1.71 | .087 | .79 |
| Additional functional/behavioral measures | |||||
| Mental HRQoL (SF-12 MCS) | 6.55 | 3.77 | 1.74 | .082 | .78 |
| Physical HRQoL (SF-12 PCS) | 0.25 | 2.04 | 0.12 | .90 | .06 |
| Physical function (PROMIS PF-20) | 3.81 | 1.55 | 2.46 | .014* | 1.14 |
| Self-reported physical activity (IPAQ) | 2610.7 | 530.3 | 4.92 | <.001* | 2.31 |
| Self-reported adherence (MOS SAS) | 4.16 | 0.73 | 5.73 | <.001* | 2.81 |
* p < .05
Legend. ES = effect size; HADS = Hospital Anxiety and Depression Scale (HADS-A = Anxiety Subscale, HADS-D = Depression); HRQoL = health-related quality of life; IPAQ = International Physical Activity Questionnaire; LOT-R = Life Orientation Test, Revised; MI = Motivational interviewing; MHLC = Multidimensional Health Locus of Control scale; MOS SAS = Medical Outcomes Study Specific Adherence Scale; MSPSS = Multidimensional Scale of Perceived Social Support; MVPA = Moderate to vigorous physical activity; PANAS = Positive And Negative Affect Schedule; PF-20 = PROMIS Physical Function 20-item measure; PP = Positive psychology; SF-12 MCS = Medical Outcomes Study Short Form-12 Mental Component Score; SF-12 PCS = Medical Outcomes Study Short Form-12 Physical Component Score.