Table 4

Results of hierarchical regression analyses explaining moderate-to-vigorous physical activity in girls (n = 145)

Model 1

Model 2

Full Model


Blocks of variables

Standardized Beta


Demographic

Age, years

-0.05

-0.01

0.01

Race/ethnicity

-0.09

-0.06

-0.04

Parent education

0.07

0.07

0.08

Reduced price lunch

0.08

0.09

0.01

BMI z-score

0.01

0.04

0.04

Physical maturation

-0.03

-0.02

-0.02

Individual

Barriers

-0.20**

-0.16*

Environmental

Distance to rec center1

-0.07

Distance to school attended1

-0.20**

Walkability index2

0.17*

R2

0.02

0.06

0.15

Adj R2

-0.02

0.01

0.09

Δ Adj R2

0.03

0.08

Model significance

F (6, 134) = 0.49;

P = 0.81

F (7, 133) = 1.17;

P = 0.32

F (10, 128) = 2.25;

P = 0.02


*P < 0.10, **P < 0.05, ***P < 0.001

BMI = body mass index

1Distance in kilometers

2Sum of z-scores of residential, intersection, and employment density variables

Patnode et al. International Journal of Behavioral Nutrition and Physical Activity 2010 7:79   doi:10.1186/1479-5868-7-79

Open Data