These findings were presented by Jin-Hwa Moon and Jong Ho Cha of Hanyang University Medical Center, Korea, and colleagues in the open-access journal
).
Prior research has shown that smartphone use among adolescents has increased in recent years and that this usage may be associated with a higher risk of adverse healthsuch as psychiatric disorders, sleep issues, eye-related problems, and musculoskeletal disorders.
However, growing evidence suggests that at least some daily internet usage may be associated with better physical and mental health for adolescents.
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To deepen understanding of the relationship between adolescents’ use of smartphones and health, Moon, Cha, and colleagues analyzed data on more than 50,000 adolescent participants in the ongoing Korea Youth Risk Behavior Web-based Survey collected in 2017 and in 2020.
The data included the approximate number of daily hours each participant spent on a smartphone as well as various health measures. The statistical analysis employed propensity score matching to help account for other factors that could be linked to health outcomes, such as age, sex, and socioeconomic status.
The researchers found that in 2020, the percentage of adolescents in the study who used a smartphone more than 2 hours per day was 85.7 percentup from 64.3 percent in 2017.
However, adolescents who used a smartphone for 1-2 hours per day encountered fewer problems than adolescents who did not use a smartphone at all.
The authors note that this study does not confirm a causal relationship between smartphone use and adverse health outcomes. Nonetheless, the findings could help inform usage guidelines for adolescentsespecially if daily usage continues to rise.
The authors add: “This research shows the impact of using smart devices for more than 4 hours a day on adolescent health.”
Reference :
- Association between smartphone usage and health outcomes of adolescents: A propensity analysis using the Korea youth risk behavior survey – (https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0294553)
Source: Eurekalert
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