Lower-Income Predicts Increased Smartphone Use and Problematic Behaviors Among Schoolchildren During COVID-19 Related School Modification: A Longitudinal Study

Jul 19, 2022Journal of Korean medical science

Lower Income Linked to More Smartphone Use and Problem Behaviors in Schoolchildren During COVID-19 School Changes

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Abstract

Children's body mass index () increased significantly from 18.14 ± 3.30 in 2020 to 18.94 ± 3.75 in 2021.

Smartphone use and daily screen time for children increased significantly during the COVID-19 pandemic.
Television screen time and frequency of viewing decreased significantly during the same period.
Lower income households were key predictors of increased smartphone usage and screen time.
A child's previous psychiatric treatment history was significantly associated with increased problematic behaviors.
Parental depression was predicted by both lower income and a child's psychiatric treatment history.

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BACKGROUND: As the coronavirus disease 2019 (COVID-19) has continued for a couple of years, the long-term effects of the pandemic and the subsequent school curriculum modification on the mental health of children and parents need to be investigated. To clarify the changes that can occur during one school year and to predict the risk factors for vulnerable groups, this study identified parameters relative to children's screen time, their problematic behavior, and parental depression.

METHODS: A total of 186 participants were analyzed who were parents of elementary schoolchildren in South Korea. These parents were required to complete a web-based questionnaire twice. The questionnaires were conducted in June 2020 and September 2021. Participants' general demographics including family income, children's screen time, sleep patterns, problematic behavior, and parental depression were assessed via the parental questionnaire that included various measurement tools.

RESULTS: Children's body mass index () increased significantly in 2021 (18.94 ± 3.75 vs. 18.14 ± 3.30,< 0.001). Smartphone frequency of use per week (5.35 vs. 4.54,< 0.001) and screen time per day (3.52 vs. 3.16,< 0.001) significantly increased during the period of the COVID-19 pandemic. The television screen time (2.88 vs. 3.26,< 0.001), frequency of viewing (3.77 vs. 4.77,< 0.001), and children's problematic behaviors significantly decreased (9.15 vs. 11.85,< 0.001). A lower income household was a key predictor of increased smartphone frequency (B = 1.840, 95% confidence interval [CI], 0.923-2.757,< 0.001) and smartphone screen time (B = 1.992, 95% CI, 1.458-2.525,< 0.001). The results showed that the lower income household (B = 5.624, 95% CI, 2.927-8.320,< 0.001) and a child's psychiatric treatment history (B = 7.579, 95% CI, 5.666-9.492,< 0.001) was the most significant predictor of problematic behaviors of children and parental depression (B = 3.476, 95% CI, 1.628-5.325,< 0.001; B = 3.138, 95% CI, 1.827-4.450,< 0.001). P P P P P P P P P P P P

CONCLUSION: This study suggested that children's smartphone screen time and BMI increased during COVID-19 because of the school curriculum modification following school closures in South Korea. The increased children's problematic behaviors and parental depression were predicted by lower-income households and the previous psychiatric history of children. These results indicate that multiple social support systems to the vulnerable group are needed during the ongoing pandemic and that a modified school setting is required.

Key numbers

3.52 hours

Increase in Smartphone Screen Time

Average daily screen time increased from 3.16 hours in 2020 to 3.52 hours in 2021.

18.94

Increase in

Children's rose from 18.14 in 2020 to 18.94 in 2021.

9.15

Children's Problematic Behavior Score Decrease

Problematic behavior scores decreased from 11.85 in 2020 to 9.15 in 2021.

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Lower-Income Predicts Increased Smartphone Use and Problematic Behaviors Among Schoolchildren During COVID-19 Related School Modification: A Longitudinal Study

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