School Slide
2 sources in the Evidence Library tagged School Slide. Filter by type, country, year, or peer-reviewed status — every view here is a shareable link.
← ALL EVIDENCEDaily Screen Time Among Teenagers: United States, July 2021–December 2023
This CDC/NCHS Data Brief reports how much screen time U.S. teenagers use on an average weekday, drawing on National Health Interview Survey data collected from July 2021 through December 2023. It finds that just over half of U.S. teens ages 12–17 report four or more hours of screen time on a typical weekday outside of schoolwork — time that, added up across a school week and a school year, can amount to more hours than any single class they attend. The brief presents descriptive national estimates rather than evaluating specific health effects; TechKids Foundation uses these figures, phrased as association and displacement, to describe how much time a large share of American teenagers spend on screens outside of schoolwork, not as evidence that screen time alone determines any child's outcomes.
Associations Between Screen Time Use and Health Outcomes Among US Teenagers
This CDC-published analysis in Preventing Chronic Disease examines associations between weekday screen-time use and a range of health outcomes among U.S. teenagers ages 12–17, using National Health Interview Survey (NHIS-Teen) data collected between July 2021 and December 2023. The study finds that teens who report four or more hours of screen time on an average weekday outside schoolwork are also more likely to report warning signs across several health measures, including anxiety and depression symptoms, compared with teens reporting lower screen-time levels. The authors frame these findings as associations observed in survey data, not as proof that screen time alone causes any particular outcome. TechKids Foundation treats this analysis as one data point describing patterns linked to heavy passive screen use among U.S. adolescents, not a diagnosis of any individual child.
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