Table 2.
Mean scores and standard deviations of perceived competence (range 0–100) before the procedure and at follow-up. High scores indicate higher perceived competence
| Scale | Before procedure | SD | At follow-up | SD | Mean difference | 95% CI | SD | p-value |
|---|---|---|---|---|---|---|---|---|
| Scholastic competence (SC) a | 55 | 30 | 65 | 31 | 11 | -5–26 | 41 | 0.2 |
| Social acceptance (SA) a | 56 | 31 | 49 | 34 | -7 | -21–7 | 37 | 0.3 |
| Athletic competence (AC) a | 42 | 28 | 36 | 30 | -6 | -18–5 | 31 | 0.3 |
| Physical appearance (PA) a | 49 | 34 | 63 | 31 | 15 | 3–26 | 31 | 0.02 c |
| Behavioral conduct (BC) a | 55 | 27 | 67 | 30 | 12 | -2–26 | 36 | 0.08 |
| Close friendship (CF) b | 51 | 26 | 48 | 33 | -3 | -20–15 | 34 | 0.7 |
| Global self-worth (GS) a | 59 | 33 | 60 | 33 | 1 | -10–12 | 30 | 0.9 |
| Overall (OV) a | 52 | 22 | 56 | 21 | 4 | -4–11 | 20 | 0.3 |
a n = 30
b n = 17
c p < 0.05. Paired t-test.