Moderators of the intention-behaviour and perceived behavioural control-behaviour relationships for leisure-time physical activity

Table 2 Multiple regression analysis of moderators of the intention-behaviour relationship

Step	Variable entered	Beta			R²	Model F	ΔR²	ΔF
		1	2	3
1	Intention	.83***	.83***	.85***	.28	116.45***	-	-
2	Age		.09	.10	.28	58.98***	.00	1.36
3	Intention × age			.24**	.31	43.82***	.03	9.95**
1	Intention	.83***	.83***	.85***	.28	116.45***	-	-
2	Annual income		-.03	-.02	.28	57.65***	.00	.16
3	Intention × annual income			.15*	.29	40.47***	.01	4.67*
1	Intention	.83***	.80***	.82***	.28	116.45***	-	-
2	Body mass index		-.23**	-.20**	.30	64.12***	.02	8.75**
3	Intention × body mass index			.16^γ	.31	44.36***	.01	3.69^γ
1	Intention	.83***	.67***	.84***	.28	116.45***	-	-
2	PBC		.22*	.25*	.29	60.95***	.01	4.19*
3	Intention × PBC			.14**	.31	43.67***	.02	6.76**

Note. PBC: Perceived Behavioural Control. Variables are standardized (Z-scores) and beta coefficients are non-standardized.
N = 299 for model including annual income. For all others, N = 300.
^γ p = 0.056. * p < 0.05. ** p < 0.01. *** p < 0.001.

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