Males

Females

Step

Variables

R²

R² change

R² adj.

B

SE

β

R²

R² change

R² adj.

B

SE

β

.07

.07

.01

.03

.03

−.01

1

Age

Education

Marital Status

Socioeconomic Status

BMI

.01

.00

−.04

−.04

−.03

.01

.10

.10

.10

.02

.13

.00

−.05

−.06

−.17

−.01

.13

.01

−.01

−.02

.01

.08

.09

.06

.02

−.09

.13

.01

−.02

−.12

.20

.13

.11

.13

.10

.07

2

Intentions

Perceived Behavioural Control

Perceived Barriers

−.80

.17

−.20

.42

.11

.10

.21

.20

−.13

−.88

.18

−.08

.41

.09

.18

.21*

.19*

−.04

3

Perceived Gender Norms

NA

NA

NA

.13

.02

.06

.30

.20

.17