Table 1 The variables describe the statistics table.

From: The influence of environment on adolescents’ physical exercise behavior based on family community and school micro-systems

Type of variable

Variable name

Mean value

Standard deviation

Minimum

Maximum

Dependent variable

Physical exercise behavior

2.03

0.40

0

3.84

Independent variable

Individual (family) level

School level

Parents’ highest educational level

4.60

2.03

1

9

Educational expectations

1.22

0.45

1

3

Parent–child relationship

2.60

0.46

1

3

Community environment

2.58

0.45

1

3.80

Home–school relations

14.00

3.34

6

24

The administrative level

2.82

1.20

1

4

School atmosphere

1.20

0.26

1

2.25

Sports facilities

3.49

0.89

2

6

Control variable

gender

0.52

0.50

0

1