From: The theory of planned behaviour and discrete food choices: a systematic review and meta-analysis
 | ≤17 | 18-29 | ≥30 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Association | n | k | r + | I 2 | n | k | r + | I 2 | n | k | r + | I 2 |
Attitude-intention | 6238 | 8 | 0.46 | 93.13 | 3149 | 9 | 0.41 | 71.52 | 3583 | 11 | 0.55 | 92.82 |
SN-intention | 6238 | 8 | 0.35 | 95.69 | 3149 | 9 | 0.32 | 85.62 | 3583 | 11 | 0.33 | 82.86 |
PBC-Intention | 6238 | 8 | 0.41 | 95.63 | 3149 | 9 | 0.55 | 95.50 | 3583 | 11 | 0.45 | 91.62 |
PBC-Behaviour | 5975 | 6 | 0.21 | 92.39 | 3213 | 10 | 0.34 | 89.07 | 3475 | 10 | 0.35 | 91.70 |
Intention-Behaviour | 6309 | 10 | 0.26 | 92.68 | 3213 | 10 | 0.42 | 74.86 | 3576 | 11 | 0.44 | 89.08 |