| Step | Variables | R2 | R2 change | R2 adj. | B | SE | β | |
|
|
| .05 | .05 | .02 |
| |||
| 1 | Age Gender Education Marital Status Socioeconomic Status BMI |
| .00 −.05 .09 −.00 −.02 −.03 | .01 .11 .06 .07 .05 .01 | .04* −.03 .09 −.00 −.03 −.16* | |||
|
|
| .15 | .10 | .09 |
| |||
| 2 | Intentions |
| .09 | .05 | .13* |
| ||
|
| Perceived Behavioural Control | .18 | .07 | .21** | ||||
|
| Perceived Barriers | −.18 | .12 | −.11 | ||||