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Table 1 Information about observed variables and their descriptive statistics (N = 1085)

From: Assessment of direct and indirect associations between children active school travel and environmental, household and child factors using structural equation modelling

Observed variable

Latent variable

Description

Data source

Measurement scale

Descriptive statistics†

School Travel Mode

 Active school travel

How do you usually get to school?

SoftGIS

Passive travel:

58.0%

Car

46.1%

Public transport

11.9%

Active travel:

42.0%

Walk

34.4%

Bike

3.9%

Scooter, skateboard

3.8%

Child Characteristics

 Year

Child’s school year

School/Parent consent form

Year 5

24.5%

Year 6

26.4%

Year 7

24.2%

Year 8

24.9%

 Sex

Child’s sex

School/Parent consent form

Male

49.0%

Female

51.0%

 Ethnicity

Child’s ethnicity

School/CATI

New Zealand (NZ) European

52.7%

Māori

12.9%

Pacific

15.3%

Asian

15.0%

 Physical activity

Percentage of time spent in overall (light + moderate + vigorous) physical activity during the morning (8:00–9:00 am) commute

Accelerometer

8.8 ± 3.0

Child Beliefs

 Traffic safety

1. The roads around my school are busy with traffic before and after school.

SoftGIS

All of the time / Most of the time

53.7%

Sometimes / Hardly ever / Never

46.0%

2. The roads around my school are full of parked cars before and after school.

SoftGIS

All of the time / Most of the time

53.3%

Sometimes / Hardly ever / Never

46.2%

 Neighbourhood safety

1. If I am out with an adult, I feel safe in my neighbourhood.

SoftGIS

Sometimes / Hardly ever / Never/ Do not go out with an adult in the neighbourhood

10.0%

All of the time / Most of the time

89.6%

2. If I go out without an adult, I feel safe in my neighbourhood.

SoftGIS

Sometimes / Hardly ever / Never / Do not go out without an adult in the neighbourhood

45.2%

All of the time / Most of the time

54.6%

 Independent mobility

1. Are you allowed to cross main roads on your own?

SoftGIS

No

32.3%

Yes

67.4%

2. Are you allowed to go on local buses or trains or ferries on your own?

SoftGIS

No

71.2%

Yes

27.9%

3. If you have a bicycle, are you allowed to ride it to go to places?

SoftGIS

No / Do not have a bicycle

40.5%

Yes

58.9%

Household Characteristics

 Education

What is your highest academic qualification?

CATI

Certificate (levels 1–6), Diploma or lower

51.2%

Bachelor’s degree or higher

30.0%

 Employment

Which one best describes your main current employment situation?

CATI

Full-time

40.0%

Part-time

25.0%

 Number of adults

How many adults, including yourself, live in your household?

CATI

1–2 adults

65.6%

Greater than or equal to 3 adults

16.2%

 Number of children

How many other children under 18 live in your household?

CATI

No other children

12.1%

1–2 children

58.0%

Greater than or equal to 3 children

11.7%

 Car ownership

How many working cars are available to your household?

CATI

Less than or equal to 1 car

18.1%

Greater than or equal to 2 cars

63.8%

Household Beliefs

 Distance to school

What are the main reasons your child gets to school by (travel mode to school)? How important would you say this reason (i.e., distance to school) when deciding how your child gets to school?

CATI

Not main reason

35.0%

Not / A little bit important

1.4%

Important / Very important

41.9%

 Traffic safety

What are the main reasons your child gets to school by (travel mode to school)? How important would you say this reason (i.e., traffic safety) when deciding how your child gets to school?

CATI

Not main reason

78.5%

Not / A little bit important

0.2%

Important / Very important

6.3%

 Stranger danger

What are the main reasons your child gets to school by (travel mode to school)? How important would you say this reason (i.e., stranger danger) when deciding how your child gets to school?

CATI

Not main reason

79.6%

Not / A little bit important

0.2%

Important / Very important

5.6%

 Convenience

What are the main reasons your child gets to school by (travel mode to school)? How important would you say this reason (i.e., convenience) when deciding how your child gets to school?

CATI

Not main reason

56.0%

Not / A little bit important

3.4%

Important / Very important

23.3%

 Social interaction

What are the main reasons your child gets to school by (travel mode to school)? How important would you say this reason (i.e., social interaction) when deciding how your child gets to school?

CATI

Not main reason

80.8%

Not / A little bit important

0.7%

Important / Very important

4.2%

Social environment

 Neighbourhood safety

Neighbourhood social environment

1. There are safe places for children to play in our neighbourhood.

CATI

Strongly disagree / Disagree

12.7%

Neither agree nor disagree

5.9%

Agree / Strongly agree

62.2%

2. It’s a good place to bring up children.

CATI

Strongly disagree / Disagree

3.3%

Neither agree nor disagree

5.1%

Agree / Strongly agree

72.9%

3. I feel safe walking down my street after dark.

CATI

Strongly disagree / Disagree

22.0%

Neither agree nor disagree

7.0%

Agree / Strongly agree

51.5%

4. I worry about the number of crimes committed in our neighbourhood.

CATI

Strongly disagree / Disagree

38.2%

Neither agree nor disagree

11.2%

Agree / Strongly agree

31.4%

5. Graffiti and vandalism are problems.

CATI

Strongly disagree / Disagree

58.8%

Neither agree nor disagree

5.3%

Agree / Strongly agree

17.3%

6. Roaming dogs are a problem in our neighbourhood.

CATI

Strongly disagree / Disagree

62.3%

Neither agree nor disagree

4.1%

Agree / Strongly agree

14.8%

7. It’s a good place to buy a home.

CATI

Strongly disagree / Disagree

6.7%

Neither agree nor disagree

3.5%

Agree / Strongly agree

70.3%

8. Bullying is a problem in our neighbourhood.

CATI

Strongly disagree / Disagree

10.8%

Neither agree nor disagree

5.6%

Agree / Strongly agree

60.9%

9. There are a lot of families with young children living in our neighbourhood.

CATI

Strongly disagree / Disagree

6.1%

Neither agree nor disagree

4.5%

Agree / Strongly agree

69.0%

 Neighbourhood cohesion

Neighbourhood social environment

1. People are willing to help.

CATI

Strongly disagree / Disagree

5.5%

Neither agree nor disagree

7.7%

Agree / Strongly agree

64.5%

2. Neighbours watch out for kids.

CATI

Strongly disagree / Disagree

7.0%

Neither agree nor disagree

7.4%

Agree / Strongly agree

62.6%

3. It’s a close knit neighbourhood.

CATI

Strongly disagree / Disagree

19.4%

Neither agree nor disagree

15.3%

Agree / Strongly agree

44.5%

4. I could borrow $10 from a neighbour.

CATI

Strongly disagree / Disagree

22.7%

Neither agree nor disagree

5.1%

Agree / Strongly agree

46.9%

5. If there is a problem with neighbours, we can deal with it.

CATI

Strongly disagree / Disagree

5.4%

Neither agree nor disagree

5.1%

Agree / Strongly agree

67.9%

6. The neighbours cannot be trusted.

CATI

Strongly disagree / Disagree

65.4%

Neither agree nor disagree

6.0%

Agree / Strongly agree

7.0%

7. People will take advantage of you.

CATI

Strongly disagree / Disagree

64.6%

Neither agree nor disagree

5.3%

Agree / Strongly agree

7.6%

8. People you don’t know will greet you or say hello to you.

CATI

Strongly disagree / Disagree

6.9%

Neither agree nor disagree

5.9%

Agree / Strongly agree

68.0%

9. People of different backgrounds don’t talk to each other.

CATI

Strongly disagree / Disagree

52.9%

Neither agree nor disagree

7.6%

Agree / Strongly agree

17.9%

 Neighbourhood connection

Neighbourhood social environment

1. Parents in this neighbourhood know their children’s friends.

CATI

Strongly disagree / Disagree

8.0%

Neither agree nor disagree

6.1%

Agree / Strongly agree

61.1%

2. Adults in this neighbourhood know who the local children are.

CATI

Strongly disagree / Disagree

11.0%

Neither agree nor disagree

10.6%

Agree / Strongly agree

52.8%

3. There are adults in this neighbourhood that the children can look up to.

CATI

Strongly disagree / Disagree

9.8%

Neither agree nor disagree

10.0%

Agree / Strongly agree

51.9%

4. Parents in this neighbourhood generally know each other.

CATI

Strongly disagree / Disagree

13.0%

Neither agree nor disagree

10.9%

Agree / Strongly agree

53.5%

5. You can count on adults in this neighbourhood to watch out that children are safe and don’t get in trouble.

CATI

Strongly disagree / Disagree

8.6%

Neither agree nor disagree

10.2%

Agree / Strongly agree

56.3%

Built environment

 Distance to school

Distance to school (in metres) along softGIS school routes

GIS

2783.7 ± 3557.7

Distance to school (log-transformed) along softGIS school routes

GIS

7.4 ± 1.0

 Residential density

Active mobility environment

Ratio of residential dwellings to the residential land area (i.e., without water) of 80 m softGIS route buffer

GIS

28.8 ± 10.8

 Street connectivity

Active mobility environment

Ratio of number of intersections with three or more intersecting streets to the land area of 80 m softGIS route buffer

GIS

56.6 ± 19.2

 High traffic exposure

Active mobility environment

Length of high traffic roads within 80 m softGIS route buffer weighted by inverse softGIS route distance

GIS

5.9 ± 4.9

 Low traffic exposure

Active mobility environment

Length of low traffic roads within 80 m softGIS route buffer weighted by inverse softGIS route distance

GIS

10.5 ± 8.2

  1. CATI = computer-assisted telephone interviewing. GIS = geographic information systems. †Frequencies (%) for binary or ordinal variables; mean ± standard deviation for continuous variables