[BMJ Publishing Group Ltd Society for Social Medicine and Population Health and International Epidemiology Association European Congress Annual Scientific Meeting 2019, Hosted by the Society for Social Medicine & Population Health and International Epidemiology Association (IEA), School of Public Health, University College Cork, Cork, Ireland, 4–6 September 2019 - ()] Oral presentations - P09 Randomised controlled trials of community-based physical activity interventions in adults with long-term follow-up and objective physical activity measurements: a systematic review and meta-analysis