Smartphone Ownership Linked to Increased Risk of Eating Disorders in Adolescents
A recent investigation published in JAMA Network Open reveals alarming correlations between smartphone ownership and the emergence of eating disorder symptoms among U.S. teenagers.
This study, which encompassed nearly 9,000 participants, underscores the potential ramifications of digital device usage in early adolescence.
The researchers extracted and scrutinized data from the Adolescent Brain Cognitive Development Study, a significant U.S. initiative dedicated to understanding the intricacies of brain maturation and youth health.
Among the participants, approximately 70 percent possessed a smartphone at the age of 12, contrasting sharply with the remaining cohort who refrained from smartphone ownership.
Focusing on four specific types of eating disorder symptoms, the researchers assessed behaviors related to binge eating, mechanisms to avert weight gain, an irrational fear of weight gain, and self-worth determined by body weight during the ages of 12 and 14.
Two years post initial assessment, the findings unveiled a distinguishable disparity between the groups.
By the age of 14, a staggering 24.2 percent of teenagers who had owned a smartphone at age 12 reported experiencing at least one of the symptoms evaluated.
In stark contrast, only 15.5 percent of their peers without smartphones exhibited similar symptoms.
In their comprehensive analysis, the researchers took into account a myriad of influential factors including gender, socioeconomic status, parental educational attainment, body mass index, onset of puberty, symptoms of depression, attention-deficit/hyperactivity disorder (ADHD), levels of parental oversight, and ownership of alternative digital gadgets. They also factored in pre-existing eating disorder symptoms noted at age 12.
Remarkably, after adjusting for these variables, possessing a smartphone at age 12 was still associated with a 49 percent heightened risk of reporting at least one eating disorder symptom by age 14.
Delving deeper into specific symptoms, the research indicated that early smartphone ownership correlated with an astonishing 67 percent increased risk of binge eating two years later.
Furthermore, it was associated with a 50 percent rise in the likelihood of engaging in behaviors aimed at preventing weight gain.
Moreover, teenagers who owned smartphones at age 12 were found to be nearly twice as likely to equate their self-worth with their body weight.
The authors of the study articulated, “The possession of a personal smartphone during this formative stage may hold significant implications, especially in fostering unsupervised and personalized exposure to digital landscapes during such a critical developmental juncture.”
They further noted, “These influences are likely to accumulate over time and be modulated by the timing of development.
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