The influence of self-efficacy and outcome expectations on the relationship between perceived environment and physical activity in the workplace

Table 3 Hierarchical regression: Mediators regressed on the PWES and site dummy variables

Step one: Site and the PWES as predictors
Self-efficacy n = 836	R²adj	R² change	F change	Beta 1	Beta 2
Block 1	.00	.01	2.62
Site one				.06
Site two				.08
Block 2	.04	.04	30.81*
PWES					.20*
Outcome Exp. Pros n = 844	R²adj	R² change	F change	Beta 1	Beta 2
Block 1	.00	.00	1.00
Site one				-.05
Site two				-.01
Block 2	.01	.01	8.04*
PWES					.10*
Outcome Exp. Cons n = 840	R²adj	R² change	F change	Beta 1	Beta 2
Block 1	.02	.02	7.59*
Site one				-.05
Site two				-.14*
Block 2	.03	.01	12.22*
PWES					-.12*

*p < .01 Note: Beta 1 and Beta 2 are the standardised regression coefficients for the linear equations represented by blocks one and two.

ISSN: 1479-5868