The People's Perspective on Medicine

Are People More Active with Step Counters?

In studies that coupled step counters with coaching by health professionals, volunteers increased their physical activity.
Red pedometer studio isolated on white background

Do you wear a FitBit or a fancy watch? What about a lower-tech pedometer? Step counters are popular because they give us feedback on how many steps we have taken in a day. Even if the common goal of 10,000 steps is based on a Japanese device manufacturer’s marketing campaign, striving to be active is a good idea.

Do Step Counters Make a Difference?

Devices that tell you how far you have walked or how much you have exercised should help you meet your activity goals. Do they? British researchers conducted a meta-analysis of 36 randomized clinical trials to examine this question (JAMA Network Open, Oct. 9, 2019). All of the trials included volunteers with metabolic conditions such as diabetes or cardiovascular disease.

In 20 of the studies, participants wore accelerometers and in 16 they wore pedometers. A total of 5,208 volunteers participated in these trials combined. Pedometers simply measure steps taken, and may also calculate distance traveled based on step length. Accelerometers are more technologically advanced and use time-based movement sensors. They may also monitor heart rate and calculate calories burned as well as distance covered.

How Well Did the Devices Work?

Analysis showed that using either of these devices together with coaching resulted in increased physical activity, which was the primary outcome of the studies. People using pedometers and consulting with health professionals increased their activity more than those using accelerometers.

iMedical Consensus Advisory

Experts agree that staying physically active is a keystone to metabolic health. However, encouraging sedentary people to exercise is a challenge. The effectiveness of devices to measure activity is still incompletely determined.

However, although the increase in activity was significant, it was small. People were still less active than experts recommend. The scientists found no evidence that people wearing step counters on their own exercised more than if they had no devices.

Increasing Physical Activity to Fight Diabetes:

This is not the first study to consider the impact of step counters. Previous research had shown that increased physical activity could keep people with pre-diabetes from developing frank diabetes. They could reverse this trend and lower their risk of heart attacks or strokes by taking 2,000 extra steps each day. For most people, walking an extra 20 minutes daily results in those extra 2,000 steps.

In the study, investigators recruited more than 9,000 volunteers from 40 countries (The Lancet, Dec. 20, 2013). All the participants were given step counters. The researchers compared the number of steps participants took in a week at the beginning of the study and again one year later. They also monitored the subjects’ weight, smoking, diet and medications. They provided instructions on lifestyle changes to lose weight and increase physical activity.

For every 2,000 additional steps participants took in a day, their risk of a heart attack or stroke during the six-year follow-up dropped by 10 percent. The authors concluded in The Lancet that physical activity substantially reduces the risk of cardiovascular disease in these high-risk individuals. 

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About the Author
Terry Graedon, PhD, is a medical anthropologist and co-host of The People’s Pharmacy radio show, co-author of The People’s Pharmacy syndicated newspaper columns and numerous books, and co-founder of The People’s Pharmacy website. Terry taught in the Duke University School of Nursing and was an adjunct assistant professor in the Department of Anthropology. She is a Fellow of the Society of Applied Anthropology. Terry is one of the country's leading authorities on the science behind folk remedies. .
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Citations
  • Hodkinson A et al, "Accelerometer- and pedometer-based physical activity interventions among adults with cardiometabolic conditions: A systematic review and meta-analysis." JAMA Network Open, Oct. 9, 2019. doi:10.1001/jamanetworkopen.2019.12895
  • Yates T et al, "Association between change in daily ambulatory activity and cardiovascular events in people with impaired glucose tolerance (NAVIGATOR trial): A cohort analysis." The Lancet, Dec. 20, 2013. DOI:https://doi.org/10.1016/S0140-6736(13)62061-9
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New studies show 4300 steps a day to be optimum. As per NPR report.

We’ve seen data suggesting a protective count is closer to 7,000.

For several years I have carried a pedometer & my personal goal is at least 8000 steps or 3 miles a day, which I probably average over a month period. When I am short one day, I try to I walk more the next. Also I weigh every morning which I am convinced enables me to keep my weight right where I want it. Such measures might not work for everyone, I realize.

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