Table 3.
Determinants of intervention use (number of completed sessions) as assessed by multiple linear regression analysis.
| Determinants | β | P | |
| Study condition | .062 | .37 | |
| Age | .090 | .23 | |
| Gender | .133 | .08 | |
| Educational level |
|
|
|
|
|
Low vs medium | .012 | .92 |
|
|
Low vs high | .094 | .45 |
| BMI | .177 | .02 | |
| Average daily minutes moderate and vigorous physical activity | .087 | .24 | |
| Average daily energy intake | –.042 | .56 | |
| The feedback messages fit to my own situation | –.082 | .47 | |
| The feedback messages were understandable | .015 | .88 | |
| The feedback messages were useful | .117 | .27 | |
| The feedback messages were interesting | –.131 | .24 | |
| Overall grade intervention (from 1 to 10) | –.082 | .49 | |
| Feelings of autonomy | .148 | .10 | |
| Feelings of relatedness | .291 | .047 | |
| Feelings of competence | .018 | .90 | |