1. Department of Rural Health, University of Newcastle , Tamworth, NSW 2340 , Australia
2. School of Medicine and Public Health, College of Health, Medicine and Wellbeing, University of Newcastle , Callaghan, NSW 2308 , Australia
3. Priority Research Centre for Physical Activity and Nutrition, University of Newcastle , Callaghan, NSW 2308 , Australia
4. Priority Research Centre for Health Behaviour, University of Newcastle , Callaghan, NSW 2308 , Australia
5. Hunter Medical Research Institute , New Lambton Heights, NSW 2305 , Australia
6. School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle , Callaghan, NSW 2308 , Australia
7. School of Education, College of Human and Social Futures, University of Newcastle , Callaghan, NSW 2308 , Australia
8. Hunter New England Local Health District , Tamworth, NSW 2340 , Australia
9. Hunter New England Local Health District , Maitland, NSW 2320 , Australia
10. School of Nursing and Midwifery, College of Health, Medicine and Wellbeing, University of Newcastle , Callaghan, NSW 2308 , Australia