Table 2.
Comparison of psychological outcomes at baseline and 10-month follow-up.
| Outcomes [Range] | Baseline | 10 Months | t/z |
|---|---|---|---|
| Mean ± SD/Median (IQR) | Mean ± SD/Median (IQR) | ||
| Nutrition knowledge score [0–22] | 10.72 ± 3.12 | 13.95 ± 2.74 | 13.14 *** |
| PA knowledge score [0–11] | 7.26 ± 1.39 | 7.75 ± 1.40 | 3.51 *** |
| Diet self-efficacy [0–28] (SRAHP- Nutrition subscale) | 21.36 ± 3.48 | 22.89 ± 3.08 | 6.03 *** |
| PA self-efficacy [0–28] (SRAHP- PA subscale) | 16.91 ± 5.07 | 19.05 ± 4.73 | 5.08 *** |
| Autonomous motivation for healthy diet [1–42] (TSRQ-autonomous subscale) | 34.72 ± 5.12 | 35.03 ± 5.14 | 0.74 |
| Autonomous motivation for PA [1–42] (TSRQ-autonomous subscale) | 33.29 ± 5.82 | 33.02 ± 6.36 | −0.55 |
| Controlled motivation for healthy diet [1–42] (TSRQ-controlled subscale) | 24.15 ± 6.19 | 25.37 ± 6.26 | 2.62 ** |
| Controlled motivation for PA [1–42] (TSRQ-controlled subscale) | 22.42 ± 6.36 | 23.74 ± 7.15 | 2.51 * |
| ! Diet motivation to improve body image [1–7] | 6 (5 to 7) | 6 (5 to 7) | −1.23 |
| ! PA motivation to improve body image [1–7] | 6 (5 to 7) | 6 (5 to 7) | −1.19 |
| ^ Stage of change for healthy diet [1–5] | 3 (2 to 3) | 4 (3 to 5) | 8.75 *** |
| ^ Stage of change for PA [1–5] | 3 (2 to 4) | 3 (3 to 5) | 4.37 *** |
N = 140; SD: Standard Deviation; IQR: Interquartile range; PA: Physical Activity; SRAHP: Self Rated Abilities for Health Practices Scale; TSRQ: Treatment Self-Regulation Questionnaire; * p < 0.05; ** p < 0.01; *** p < 0.001. ! N = 139, different sample sizes due to missing data. ^ stage of change: 5: maintenance, 4: action, 3: determination, 2: contemplation, 1: pre-contemplation.