A cluster randomised controlled trial.
24 primary public schools in inner west Sydney, Australia.
1996 students aged 10–12 years and their parents.
A two-year multi-component program included classroom activities, development of school Travel Access Guides, parent newsletters and improving environments with local councils.
Two measures were used: a survey completed by students on how they travelled to and from school over five days, and a survey completed by their parents on how their child travelled to and from school in a usual week.
The percentage of students who walked to and from school increased in both the intervention and control schools. Data from parent surveys found that 28.8 % of students in the intervention group increased their walking, compared with 19 % in the control group (a net increase of 9.8 % , p = 0.05). However this effect was not evident in the student data.
The study produced a mixed result, with a high variation in travel patterns from school to school. Intervention research should address the complexity of multiple factors influencing student travel to school with a focus on changing local environments and parents' travel to work.