Higher Daily Step Count and Pace Intensity Significantly Reduce Mortality and Support Brain and Heart Health

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Higher Daily Step Count and Pace Intensity Significantly Support Brain and Heart Health
  • A study of 78,500 adults found that both step count and pace are significantly linked to mortality and disease risk. 

  • Every 2,000 steps lowered risk of premature death and heart conditions by 8 -11%, up to about 10,000 steps a day.

  • A higher number of steps per day was associated with a lower risk of cognitive loss, with 9,800 steps being the optimal dose linked to lower risk of cognitive loss by 50 percent.

  • Risk of cognitive loss was still reduced by 25 percent at as low as 3,800 steps a day

  • Stepping intensity or a faster pace showed beneficial associations for all outcomes over and above total daily steps.

This article was posted on EurekAlert.org: [may be edited for content or length]

The studies, published in leading journals JAMA Internal Medicine and JAMA Neurology, monitored 78,500 adults with wearable trackers – making these the largest studies to objectively track step count in relation to health outcomes.

The researchers from the University of Sydney, Australia and University of Southern Denmark found lowered risk of [cognitive loss, heart conditions] , cancer and death are associated with achieving 10,000 steps a day. However, a faster stepping pace like a power walk showed benefits above and beyond the number of steps achieved.

“The take-home message here is that for protective health benefits people could not only ideally aim for 10,000 steps a day but also aim to walk faster,” said co-lead author Dr Matthew Ahmadi, Research Fellow at the University of Sydney's Charles Perkins Centre and Faculty of Medicine and Health.

‘For less active individuals, our study also demonstrates that as low as 3,800 steps a day can cut the risk of [cognitive loss] by 25 percent,” said co-lead author Associate Professor Borja del Pozo Cruz from the University of Southern Denmark and senior researcher in health at the University of Cadiz.

Key points:

  • Every 2,000 steps lowered risk of premature death incrementally by 8 to 11 percent, up to approximately 10,000 steps a day.
  • Similar associations were seen for heart conditions. 
  • A higher number of steps per day was associated with a lower risk of all-cause [cognitive loss] .
  • 9,800 steps was the optimal dose linked to lower risk of [cognitive loss] by 50 percent, however risk was reduced by 25 percent at as low as 3,800 steps a day. 
  • Stepping intensity or a faster pace showed beneficial associations for all outcomes over and above total daily steps.

“Step count is easily understood and widely used by the public to track activity levels thanks to the growing popularity of fitness trackers and apps, but rarely do people think about the pace of their steps,” said senior author Emmanuel Stamatakis, Professor of Physical Activity, Lifestyle and Population Health at the University of Sydney.

“Findings from these studies could inform the first formal step-based physical activity guidelines and help develop effective public health programs aimed at preventing chronic disease.”

How was the study conducted?

The study drew on data from UK Biobank to link up step count data from 78,500 UK adults aged 40 to 79 years with health outcomes 7 years on. Participants wore a wrist accelerometer to measure physical activity over a period of 7 days (minimum 3 days, including a weekend day and monitoring during sleep periods).

With ethics consent, this information was linked with participants’ health records through several data sources and registries including inpatient hospital, primary care records, and death registries.

Statistical adjustments were also made for confounders, such as the fact that people who do more steps generally walk faster.

The researchers note that the studies are observational, meaning they cannot show direct cause and effect, however, note the strong and consistent associations seen across both studies at the population level.

“The size and scope of these studies using wrist-worn trackers makes it the most robust evidence to date suggesting that 10,000 steps a day is the sweet spot for health benefits and walking faster is associated with additional benefits,” said Dr Matthew Ahmadi.

“Going forward more research with longer-term use of trackers will shed more light on the health benefits associated with certain levels and intensity of daily stepping.”


Read the papers:


DOI: 10.1001/jamainternmed.2022.4000

DOI: 10.1001/jamaneurol.2022.2672

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