1. Armstrong, T., Bauman, A., & Davies, J. (2000). Physical activity patterns of Australian adults. Results of the 1999 National Physical Activity Survey. Canberra, Australia: Australian Institute of Health and Welfare.
2. Arnett, J. J. (1998). Learning to stand alone: The contemporary American transition to adulthood in cultural and historical context. Human Development, 41, 295–315.
3. Australian Bureau of Statistics. (1997). How Australians use their time (Cat. No. 4153.0). Canberra, Australia: Author.
4. Australian Bureau of Statistics. (2000). Participation in sport and physical activities, 1999-2000 (Cat. No. 4177.0). Canberra, Australia: Author.
5. Baranowski, T., Cullen, K. W., Basen-Engquist, K., Wetter, D. W., Cummings, S., Martineau, D. S., et al. (1997). Transitions out of high school: Time of increased cancer risk? Preventive Medicine, 26, 694–703.