We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleWho will increase their physical activity? Predictors of change in objectively measured physical activity over 12 months in the ProActive cohort.AuthorsSimmons RK; van Sluijs EM; Hardeman W; Sutton S; Griffin SJPublicationBMC public health, 2010, Vol 10, p226ISSN1471-2458Publication typearticleDOI10.1186/1471-2458-10-226