Table 1 Hierarchical multiple regression analyses predicting physical health-related quality of life and mental health-related quality of life

Step 1

.18^a

 BMI

-.06

 Age

-.01

 Exercise

.38^b

 Medical condition

-.07

 Medication use

-.05

Step 2

.09^a

 WBIS

-.31^b

Total R²

.26^b

Predictor variables

Δ R ²

β

Step 1

.05

 BMI

.08

 Age

.22

 Exercise

.16

 Medical condition

-.04

 Medication use

-.01

Step 2

.21^b

 WBIS

-.47^b

Total R²

.26^b