OP66 Effect of pedometer-based walking interventions on long-term health outcomes: prospective 4-year follow-up of 2 randomised controlled trials using routine primary care data
DG Cook, T Harris, E Limb, F Hosking, IM Carey, S DeWilde, C Furness, C Wahlick, S Ahmad, S Kerry
J Epidemiol Community Health Sep 2019, 73 (Suppl 1) A32; DOI: 10.1136/jech-2019-SSMabstracts.67