British Journal of Health Psychology, Volume 12, Number 4, November 2007 , pp. 587-600(14) Publisher: British Psychological Society Pre-print: author cannot archive pre-print (ie pre-refereeing) Post-print: subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) Restrictions: * 6 month embargo Conditions: This journal article is unavailable until 6 months after publication, May 2008. In the meantime if you would like a personal copy please contact the author at the address below. mary.gilhooly@brunel.ac.uk