Increased walking activity associated with long-term health benefits

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Short term pedometer-based walking interventions can have long-term health benefits for adults and older adults, according to new research published in the open-access journal PLOS Medicine on 25 June. Tess Harris and colleagues from St George's University of London, UK and other institutions, conducted two trials of walking interventions which aimed to increase step count and physical activity. Not only did the investigators see sustained increases in physical activity at 3-4 years in the intervention group participants, they also noted fewer cardiovascular events and fractures.

Physical activity has been shown to be protective for many , and inactivity is a key risk factor contributing to the global burden of disease. However, long-term follow-up of trials is lacking. Here, two randomised controlled trials of 12-week pedometer-based walking interventions in were followed up with long-term data from primary health records at 4 years.

The team studied data from 1297 participants of the PACE-UP and PACE-Lift trials. People in the intervention arms were less likely to have a cardiovascular event (Hazard Ratio 0.34, 95% CI 0.12-0.91, p = 0.03) or a fracture (HR 0.56, 95% CI 0.35-0.90, p = 0.02) than those in the control arms. No differences were seen in incidence of diabetes or depression in people in the intervention as compared with those in the control arms. Based on these observations, about 61 people would need to receive the walking intervention to prevent one cardiovascular event and 28 people to prevent one fracture. Although the rates of adverse health events were low in this study, and were restricted to only those recorded in primary care records, under-recording would not have differed by intervention status, so should not have led to bias.

The authors note that "short-term walking interventions can produce long-term health benefits and should be more widely used to help address the public heath inactivity challenge."

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More information: Harris T, Limb ES, Hosking F, Carey I, DeWilde S, Furness C, et al. (2019) Effect of pedometer-based walking interventions on long-term health outcomes: Prospective 4-year follow-up of two randomised controlled trials using routine primary care data. PLoS Med 16(6): e1002836.
Journal information: PLoS Medicine

Citation: Increased walking activity associated with long-term health benefits (2019, June 25) retrieved 29 September 2020 from
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