Table 8.

HRA for TPB when controlling for past behaviour.

Variable	R 2	F	ΔR2	ΔF	Beta	Part r
Predicting behaviour
Block 1:	0.629	128.80 **
1. Past behaviour					0.793 **
Block 2:	0.633	64.66 **	0.004	0.820
1. Past behaviour					0.653 **	0.269
2. Intention					0.154	0.063
Block 3:	0.633	42.56 **	0.000	0.028
1. Past behaviour					0.660 **	0.263
2. Intention					0.155	0.064
3. PBC					−0.015	−0.012
Predicting intention
Block 1:	0.830	372.19 **
1. Past behaviour					0.911 **
Block 2:	0.846	135.92 **	0.016	3.85 *
1. Past behaviour					0.832 **	0.704
2. Attitude					0.087	0.070
3. Subjective norm					0.083	0.066
Block 3:	0.850	103.03 **	0.003	1.52
1. Past behaviour					0.860 **	0.669
2. Attitude					0.122	0.088
3. Subjective Norm					0.094	0.073
4. PBC					−0.083	−0.056

** Significant at the 0.001 level. * Significant at the 0.05 level.