Newspaper article

Don't Give Up on Your Standing Desk -- Yet: Study Links Sitting Less at Work with Lower Body Fat

Newspaper article

Don't Give Up on Your Standing Desk -- Yet: Study Links Sitting Less at Work with Lower Body Fat

Article excerpt

The enthusiasm for standing or treadmill desks took a bit of a hit last month. After reviewing all the current evidence, a group of Cochrane reviewers reported that it's unclear whether such desks have any positive effect on health -- or even if they reduce the amount of time desk-bound workers spend sitting.

The problem, said the reviewers, is that existing studies on the topic are too small or too poorly designed to be conclusive.

This is not an inconsequential issue. Finding ways to reduce the amount of time office workers (and others) spend sitting has become a major focus of preventive health experts. A growing number of studies suggest that prolonged sedentary time puts people at increased risk of disease and premature death -- even when they exercise regularly.

And office workers spend about 70 percent of their eight-hour workday sitting.

But don't give up on your standing desk -- yet. For a new randomized controlled trial (one that involved more than 300 office workers) has found that encouraging people to try various strategies to reduce their sitting time -- including the use of a standing desk -- can result in some potential health-related benefits.

The workers in the study who were urged to spend less time in a chair not only stood more during their work day, they also walked more. And they lost about a half-percentage, on average, of their body fat within three months.

That isn't a huge amount, but it is "noteworthy in the light of the increasing prevalence of excess weight and obesity and the high proportion of people with sedentary work," say the authors of the study.

Study details

For the study, which was published Wednesday in the International Journal of Epidemiology, Danish and Australian researchers recruited 317 workers at 19 offices in Denmark and Greenland.

All the workers already had adjustable sit-stand desks, but most of them were not using the "stand" feature. (In Denmark, employers are required to offer their employees such desks. The desks are assigned primarily for ergonomic reasons, however, rather than to help people be less sedentary.)

The researchers randomly assigned some of the offices (equivalent to about half of the participating workers) to an "intervention" program called "Take a Stand!" It had many components, including an educational workshop that presented information on the importance of breaking up prolonged periods of sitting. The workers also received e-mails and text messages with reminders about getting up and moving around. Their managers also encouraged them to take breaks from sitting during the workday.

The rest of the offices -- the "control" group -- received no such information or encouragement, and continued working as they had in the past.

All the study's participants wore an accelerometer, a device that tracks movement, both at home and in the workplace. …

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