Variables | Number of items | Alpha coefficients (Cronbach) |
---|---|---|
 |  | (n = 251) |
Intention (I) | 4 | .91a |
Attitude (Aact) | 4 | .93a |
Behavioural beliefs (b) | 6 | .91 |
Subjective norm (SN) | 3 | .88a |
Normative beliefs (nb) | 8 | .81 |
Perceived behavioural control (PBC) | 3 | .73a |
Facilitating factors (FF) | 8 | .84 |
Barriers (BARR) | 3 | .84 |
Personal normative beliefs (PNB) | 3 | .73 |
Self-identity (SI)b | 8 | .67 |