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Associations Between Screen Time Use and Health Outcomes Among US Teenagers
ORIGINAL RESEARCH ¡ª Volume 22 ¡ª July 10, 2025
Figure 1. Prevalence of physical activity, sleep, and weight outcomes, by daily screen time use, United States, National Health Interview Survey-Teen, July 2021–December 2023. All values differed significantly from teens with less than 4 hours of daily screen time (P < .05).
| Outcome | Screen time | ≥4 Hours |
|---|---|---|
| <4 Hours | ||
| Infrequent physical activity | 32.1 | 45.6 |
| Infrequent strength training | 13.3 | 23.0 |
| Infrequently well-rested | 40.1 | 59.9 |
| Irregular sleep routine | 29.2 | 49.2 |
| Weight concerns | 25.3 | 37.8 |
Figure 2. Prevalence of mental health and perceived support outcomes, by daily screen time use, United States, National Health Interview Survey-Teen, July 2021–December 2023. All values differed significantly from teens with less than 4 hours of daily screen time (P < .05). [A tabular description of this figure is available.]
| Outcome | Screen time | ≥4 Hours |
|---|---|---|
| <4 Hours | ||
| Depression symptoms | 9.5 | 25.9 |
| Anxiety symptoms | 12.3 | 27.1 |
| Insufficient peer support | 30.4 | 37.0 |
| Infrequent social and emotional support | 35.1 | 48.6 |
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