April 23, 2019 — Tethered to our televisions and computers, Americans are sitting even more than in years past, consistent with a brand new look at.
And at the same time as extended sitting has long been connected with a higher threat of obesity, most cancers, and dying, some other new look at found that may blunt some of the risks.
While researchers say it’s no wonder that we’re all sitting greater, they don’t all agree about how a lot can assist.
Sitting Study Details
In the U.S., overall sitting time from 2007 to 2016 rose by means of about an hour a day, to eight.2 hours for young adults and six.4 hours for adults, says Yin Cao, ScD, assistant professor of surgical treatment inside the Division of Public Health Sciences at Washington University School of Medicine in St. Louis. She is the senior author of the take a look at that tracked Americans’ sitting habits. (Data on kid’s total sitting time became not amassed.)
Cao’s team used facts from the National Health and Nutrition Examination Survey (NHANES) from 2001 thru 2016 to track the sitting behaviors of nearly fifty-two,000 kids, and adults.
The survey had separate questions about time spent sitting to watch TV or motion pictures and time spent sitting for pc use out of doors of school or work wishes.
By age institution, the percentage of individuals who watched at least 2 hours an afternoon of TV or motion pictures in 2015-2016 included:
Those instances are averages. Overall, across all the age companies, up to 38% watched 3 hours a day or greater, and up to 23% watched for 4 hours or more day by day.
While that day by day TV and video viewing times remained pretty strong over the 15-12 months duration, leisure time pc use rose, using the overall boom in sedentary conduct, Cao says.
Time spent on computer systems — meaning conventional desktop computer systems or laptops — out of doors of school or paintings accelerated in all age corporations over the 15-yr length. Comparing 2015-2016 to 2001:
fifty-six % of children spent an hour or more on computers, up from forty-three %.
57% of teens did, up from 53%.
50% of adults did, up from 29%.
And those numbers don’t capture all sedentary behavior. “A lacking factor is how lots time is spent sitting and the use of hand-held devices,” Cao says. That information isn’t always amassed within the NHANES survey.
“The findings on laptop use are not sudden as we recognize generation adjustments,” she says. “We were surprised that time on TV and video [viewing] changed into strong, as we thought it’d be reduced with the boom in computer time.”
Some groups are more likely to set an excessive amount of, Cao discovered, consisting of non-Hispanic black humans, obese humans, and boys.