What question did this study set out to answer?

To evaluate the relationship between smartphone acquisition at age 13 and subsequent health outcomes at age 14.

June 10, 2026JAMA Pediatrics

Smartphone Acquisition and Use at Age 13 Years and Health Outcomes at Age 14 Years

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Authors

ZBZiv BrenChildren's Hospital of Philadelphia KTKate T. TranChildren's Hospital of Philadelphia EVElina VisokiChildren's Hospital of Philadelphia

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Implication

Cohort study quantifies associations between smartphone use and health outcomes in youth, suggesting behavioral interventions may help mitigate risks.

Key Points

To evaluate the relationship between smartphone acquisition at age 13 and subsequent health outcomes at age 14.
Cohort study of youth from the Adolescent Brain Cognitive Development Study.
Mixed-effects regression models utilized to analyze health impacts of smartphone use and acquisition.
Controlled for pre-existing health issues and socioeconomic factors.
Smartphone acquisition not linked to depression (OR, 1.45; 95% CI, 0.98-2.14) or obesity (OR, 1.02; 95% CI, 0.71-1.46).
Smartphone acquisition associated with insufficient sleep (OR, 1.29; 95% CI, 1.03-1.62).
Increased smartphone use correlated with higher odds of depression (OR, 1.22; 95% CI, 1.01-1.80), obesity (OR, 1.34; 95% CI, 1.09-1.65), and insufficient sleep (OR, 1.28; 95% CI, 1.12-1.47).

Cite This Study

Bren et al. (2026) studied this question.

synapsesocial.com/papers/6a2901536f82f25be989daa9 https://doi.org/10.1001/jamapediatrics.2026.2118

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Implication

Cohort study quantifies associations between smartphone use and health outcomes in youth, suggesting behavioral interventions may help mitigate risks.

Smartphone Acquisition and Use at Age 13 Years and Health Outcomes at Age 14 Years

Discussion

Member takes

Implication

Key Points

Cite This Study

Smartphone Acquisition and Use at Age 13 Years and Health Outcomes at Age 14 Years

Discussion

Member takes

Implication

Key Points

Cite This Study

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