Jinseon Yi, Ju Young Yoon, Chang Won Won, Miji Kim, Kyoung Suk Lee
The roles of health literacy and social support in the association between smartphone ownership and frailty in older adults: a moderated mediation model
BMC public health
childrens screen time may affect growth development however differences impact various psychiatric psychological factors childrens screen time research gap study aimed explore differences influence related factors affecting childrens screen time based sleep difficulties parental control among japanese elementary junior high school students crosssectional survey conducted among parents japan data screen time duration parentchild background strengths difficulties sleep variables parental control types collected 225 households regression analysis revealed high strengths difficulties questionnaire sdq scores 0166 p 0008 sleep duration 0281 p 0001 parental control 0204 p 0001 significantly related childrens screen time additionally found parents late bedtimes affect childrens screen time mediating childrens sleep duration study together previous research provides comprehensive insights design interventions decrease screen time children japanese context