Step | Determinants | R2 | R2change | Fchange | Standardised betas | |||
---|---|---|---|---|---|---|---|---|
Step 1 | Step 2 | Step 3 | Step 4 | |||||
1. | Demographics | .02 | .024 | .37 | ||||
Training institute | .01 | .44 | .08 | .10 | ||||
Age | .02 | −.07 | −.03 | −.01 | ||||
Gender | −.11 | −.12 | −.03 | −.04 | ||||
Experience as GP | .08 | .17 | .11 | .11 | ||||
Experience as supervisor | −.14 | −.06 | −.08 | −.07 | ||||
2. | Indirect measures | .31 | .29 | 7.43** | ||||
Behavioural beliefs | .18 | .12 | .11 | |||||
Normative beliefs | .25* | .19 | .27* | |||||
CB Factor 1 | .03 | .09 | .10 | |||||
CB Factor 2 | .30* | .13 | .13 | |||||
Direct measures | .37 | .08 | 1.21 | |||||
Attitude | .09 | .11 | ||||||
Subjective norm | .14 | −.01 | ||||||
Social pressure | .12 | .12 | ||||||
Modelling | −.01 | −.01 | ||||||
PBC1 | .26 | .22 | ||||||
Additional variables | ||||||||
Past behaviour | .45 | .08 | 9.76** | .33** |