National data showed that delayed sleep in six-year-old children was associated with excessive use of electronic devices at 12 years

Tsuguhiko Kato, Takashi Yorifuji, Michiyo Yamakawa, Sachiko Inoue

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Aim: Cross-sectional studies have shown associations between adolescent sleep problems and the use of electronic devices, such as mobile phones, but longitudinal studies remain scarce. We explored any association between delayed bedtimes at six years old and the excessive use of electronic devices at 12 years of age. Texting was a prime focus. Methods: We analysed 9607 adolescents who owned mobile phones in 2013 using the Japanese Longitudinal Survey of Newborns in the 21st Century, which started in 2001. The outcomes were daily excessive use of a mobile phone, television (TV) and video games. Results: Delayed bedtime at the age of six years was associated with excessive texting at weekends. The adjusted odds ratios and 95% confidence intervals obtained from logistic regression analyses were 1.88 (1.14–3.10) for the 10–11 pm group and 1.98 (1.08–3.63) for the after 11 pm group, compared with the before 9 pm group. Later bedtimes were also associated with increased risks of excessive TV viewing and video game use. Conclusion: Our study indicated that six-year-olds who regularly stayed up late at night used electronic devices more frequently, or for longer, at the age of 12. Parents need to be more aware of links between sleep issues and electronic devices.

Original languageEnglish
Pages (from-to)1439-1448
Number of pages10
JournalActa Paediatrica, International Journal of Paediatrics
Volume107
Issue number8
DOIs
Publication statusPublished - Aug 1 2018

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Cell Phones
Sleep
Text Messaging
Video Games
Equipment and Supplies
Television
Longitudinal Studies
Cross-Sectional Studies
Parents
Logistic Models
Odds Ratio
Regression Analysis
Newborn Infant
Confidence Intervals

Keywords

  • Adolescence
  • Sleep patterns
  • Television
  • Text messaging
  • Video games

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

National data showed that delayed sleep in six-year-old children was associated with excessive use of electronic devices at 12 years. / Kato, Tsuguhiko; Yorifuji, Takashi; Yamakawa, Michiyo; Inoue, Sachiko.

In: Acta Paediatrica, International Journal of Paediatrics, Vol. 107, No. 8, 01.08.2018, p. 1439-1448.

Research output: Contribution to journalArticle

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