Proportions of youth with visual impairments meeting 24-hr movement guidelines.
Justin A Haegele, Xihe Zhu, Sean Healy and 1 others
PMID 31999004WHAT IT FOUND
Only 5.8% of 561 US youth with visual impairments met all three 24-hour activity, screen time, and sleep guidelines.
Few met daily physical activity, while screen time limits were often met.
Key findings
01Only 5.8% of 561 youth with visual impairments met all three 24-hour movement guidelines, and 10.6% met none.
02Few met the physical activity guideline (18.7%), about half met sleep duration (50.7%), and most met screen time limits (73.2%).
03Female participants were significantly more likely to meet one guideline than male participants, and Black/non-Hispanic and other/multiracial participants were significantly less likely to meet all three guidelines than White/non-Hispanic peers.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The findings are parent and guardian reports from one question for each behaviour, so they do not show measured activity time, intensity, or sleep details. The study is cross-sectional, so it cannot show that changing physical activity, screen time, or sleep would improve health outcomes. The survey had weighted response rates of 40.7% in 2016 and 37.4% in 2017, and the authors note possible nonresponse and coverage biases. The analysis used broad categories and dichotomised variables, which may make guideline adherence look more liberal than it is. The association between higher household poverty and meeting all three guidelines had a wide confidence interval (1.02 to 16.20), so it should not be treated as a stable finding.
Declared interests
The article metadata lists Research Support, N.I.H., Extramural. The authors declare no conflict of interest.
The easy way to misread this
Do not read the low physical activity rate as proof that a physical activity intervention works. This paper measured reported behaviour at one time point, not the effect of therapy.