A randomised controlled trial of a very brief physical activity intervention delivered in NHS health checks: The VBI Trial.
PHE ePoster Library. Mitchell J. 09/13/16; 138114; 179
Jo Mitchell
Jo Mitchell
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Abstract Introduction: Unhealthy lifestyles including physical inactivity greatly increase premature mortality. However, many physical activity interventions designed to improve public health are too intensive and not scalable to the general population. Very brief interventions (VBIs, <5 minutes) to promote physical activity in primary care are relatively cheap and, if implemented widely, could have substantial public health impact. Informed by extensive development and feasibility work, we developed a very brief pedometer-based intervention ('Step-It-Up'), to be delivered by healthcare practitioners within an NHS health check. 'Step-It-Up' encourages walking as a means to increase physical activity. The VBI trial estimates the effectiveness and cost-effectiveness of this intervention. Methods: Adults eligible for NHS health checks aged 40-74 years were randomised to the health check alone (control) or to the health check plus 'Step-It-Up' (intervention). Follow-up at 3-months assessed objective physical activity (Actigraph accelerometers). Questionnaires assessed physical activity, resource use, recall of the consultation and use of the materials provided. Results: 1,008 participants took part in the trial from 23 GP practices in the East of England (mean deprivation score of 17.05 (standard deviation (SD): 10.72)). Retention at follow-up was 85%. Participants are predominantly white British, 38% are male, and mean age is 58 years (SD: 10.0). Follow-up is now complete and analysis is underway. Conclusions: The findings from this trial will inform the decision whether to commission VBIs in primary care as an effective and cost-effective tool to increase physical activity in the general population. External funding details National Institute for Health Research (NIHR): Grant Reference Number RP-PG-0608-10079.
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