Americans Getting More Inactive, Computers Partly to Blame

Written by on April 23, 2019

Washington, DC, United States (VoA) – Americans are becoming increasingly sedentary, spending almost a third of their waking hours sitting down, and computer use is partly to blame, a new study found.

Over almost a decade, average daily sitting time increased by roughly an hour, to about eight hours for U.S. teens and almost 6 1/2 hours for adults, according to the researchers. That includes school and work hours, but leisure-time computer use among all ages increased too.

By 2016, at least half of American kids and adults spent an hour or more of leisure time daily using computers. The biggest increase was among the oldest adults: 15 percent of retirement-aged adults reported using computers that often in 2003-04, soaring to more than half in 2015-16.

Most Americans of all ages watched TV or videos for at least two hours daily and that was mostly unchanged throughout the study, ranging from about 60 percent of kids aged 5 to 11, up to 84 percent of seniors.

“Everything we found is concerning,” said lead author Yin Cao, a researcher at Washington University’s medical school in St. Louis. “The overall message is prolonged sitting is highly prevalent,” despite prominent health warnings about the dangers of being too sedentary.

The researchers analyzed U.S. government health surveys from almost 52,000 Americans, starting at age 5, from 2001-2016. Total sitting time was assessed for teens and adults starting in 2007. The results were published Tuesday in the Journal of the American Medical Association.

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