Table 3.
Means and standard deviations for Intervention and Control group baseline and posttest outcome measures and effect sizes from HLM regression
| Control (n=132) |
Intervention (n=182) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Outcome Measure | Scale range | Baseline M (SD) | Post M (SD) | M adj | Baseline M (SD) | Post M (SD) | M adj | p value* | Effect size (g) |
| Knowledge of eating disorders and oral findings | 0–7 | 3.61 (.913) | 3.95 (.868) | 3.96 | 3.69 (.832) | 4.58 (1.12) | 4.57 | <.001* | 0.57 |
| Skills-based Knowledge | 0–10 | 3.95 (1.61) | 5.16 (1.54) | 5.23 | 4.29 (1.41) | 6.79 (1.81) | 6.72 | <.001* | 0.95 |
| 16.2 | |||||||||
| Self-Efficacy | 0–21 | 13.40 (4.37) | 13.66 (4.13) | 13.23 | 11.64 (3.90) | 15.95 (3.29) | 7 | <.001* | 0.79 |
Madj = Posttest mean adjusted for baseline levels
*
Tests are significant at p<.01