Step

Variables

R²

R² change

R² adj

B

SE

β

.03

.03

.01

1

Age

Gender

Education

Marital Status

Socioeconomic Status

BMI

−.02

−.02

.06

−.07

−.05

.00

.01

.13

.08

.08

.06

.01

−.20**

−.01

.04

−.05

−.05

.01

.35

.32

.33

2

Attitude

.06

.06

.06

Subjective Norms

.07

.01

.51***

Perceived Behavioural Control

.26

.08

.21**

Perceived Barriers

−.28

.15

−.12