Bedtime Autonomy and Cellphone Use Influence Sleep Duration in Adolescents

Tashjian, Sarah M.; Mullins, Jordan L.; Galván, Adriana

doi:10.31234/osf.io/hp5ax

Cited by 12 publications

(11 citation statements)

References 6 publications

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“…It can be assumed that adolescents are less restricted by parents in terms of ST than children. Adolescents also have higher bedtime autonomy, which is associated with a short sleep duration [44]. Moreover, this relationship is moderated by overuse of electronic devices before going to sleep.…”

Section: Discussionmentioning

confidence: 99%

Is adherence to the 24-hour movement guidelines associated with a reduced risk of adiposity among children and adolescents?

et al. 2020

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Background: Little is known about the combined effect of physical activity (PA), recreational screen time (ST), and sleep in preventing childhood obesity. Hence, this study aimed to analyze the associations between meeting the PA, ST, and sleep recommendations within the 24-hour movement guidelines and adiposity indicators among children and adolescents. Methods: A total of 679 children and adolescents aged 8-18 years were included. The time spent in moderate-tovigorous PA and the sleep duration were estimated from raw data from a wrist-worn accelerometer. Recreational ST was reported by the child or parent. Body mass index (BMI) z-score, fat mass percentage (FM%), and visceral adipose tissue (VAT) were used as adiposity indicators. Participants with ≥ 60 min/day of moderate-to-vigorous PA, < 2 h/day of recreational ST, and uninterrupted sleep for 9-11 h/day (for children) or 8-10 h/day (for adolescents) were considered to meet the overall 24-hour movement guidelines. Results: Meeting the ST only recommendation was associated with reduced odds of a high BMI z-score (odds ratio [OR] = 0.38, 95% confidence interval [CI]: 0.17-0.89), excess FM% (OR = 0.34, 95% CI: 0.13-0.93), and excess VAT (OR = 0.27, 95% CI: 0.10-0.74) in adolescents. Significantly reduced odds of a high BMI z-score was associated with meeting the combination of the ST and sleep recommendations (OR = 0.11, 95% CI: 0.01-0.89). Adolescents who met one recommendation (OR = 0.51, 95% CI: 0.27-0.96) or any two recommendations (OR = 0.33, 95% CI: 0.11-0.94) had reduced ORs of having a high BMI z-score. Adolescents had lower odds of having excess VAT if they met one recommendation (OR = 0.39, 95% CI: 0.19-0.81) or any two recommendations (OR = 0.25, 95% CI: 0.07-0.90). No significant associations were found in children. Conclusions: The present study showed no associations between meeting all three recommendations within the 24-hour movement guidelines and adiposity indicators. However, meeting ST only recommendation and the combination of the ST and sleep recommendations was associated with a reduced risk of excess adiposity. This finding should be considered when designing effective strategies and interventions to prevent childhood obesity.

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Section: Discussionmentioning

confidence: 99%

Is adherence to the 24-hour movement guidelines associated with a reduced risk of adiposity among children and adolescents?

et al. 2020

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“…We may have identified different types and number of correlates between children and adolescents because the family influence changes during the transition from childhood to adolescence. For example, adolescents have higher bed time autonomy than children [52], which could result in longer late-night ST and short sleep duration. Alternatively, adolescents may spend more of their free time outdoors without parental supervision, which could explain the association between adolescents' active play and meeting the specific combination of the combined movement guidelines.…”

Section: Discussionmentioning

confidence: 99%

Prevalence and correlates of adherence to the combined movement guidelines among Czech children and adolescents

et al. 2020

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Background There are limited studies on the prevalence of adherence to the combined guidelines for physical activity (PA), sedentary behavior, and sleep in children and adolescents. Moreover, little is known about correlates of adherence to the guidelines. Therefore, the main aim of this study is to examine the prevalence and identify the correlates of adherence to the combined movement guidelines among children and adolescents. Methods A total of 355 children aged 8–13 years (44% boys) and 324 adolescents aged 14–18 years (43% boys) from the Czech Republic participated in this study. PA and sleep duration were estimated using multi-day 24-h raw data from wrist-worn accelerometers. Recreational screen time was parent proxy-reported in children and self-reported in adolescents. Seventeen potential correlates were grouped into three homogenous categories for biological and cognitive, behavioral, and family correlates. The multi-level multivariable logistic regression was applied to identify correlates of adherence to combined movement guidelines and to specific combinations of any of two recommendations. Results Approximately 6.5% of children and 2.2% of adolescents met all recommendations of the combined movement guidelines. In children, girls (OR = 0.4; 95% CI = 0.1–0.9) and participants with overweight or obese fathers (OR = 0.3; 95% CI = 0.1–0.7) had significantly lower odds of adherence to the combined movement guidelines. Additionally, children had higher odds of meeting specific combinations of two recommendations if they reported regular fruit and vegetable intake, participated in organized PA, or if their fathers had a university degree. Meanwhile, paternal overweight and obesity, and high sleep efficiency were associated with lower odds of meeting specific combinations of recommendations. In adolescents, sex, fruit and vegetable intake, organized PA, and active play were correlates of meeting specific combinations of any two recommendations. Conclusions A low proportion of children and adolescents met the combined movement guidelines and several correlates related to family were identified. Family is a key source of influence for healthy movement behaviors during childhood and adolescence.

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“…We may have identi ed different types and number of correlates between children and adolescents because the family in uence changes during the transition from childhood to adolescence. For example, adolescents have higher bed time autonomy than children [52], which could result in longer late-night ST and short sleep duration. Alternatively, adolescents may spend more of their free time outdoors without parental supervision, which could explain the association between adolescents' active play and meeting the speci c combination of the combined movement guidelines.…”

Section: Discussionmentioning

confidence: 99%

Prevalence and Correlates of Adherence to The Combined Movement Guidelines Among Czech Children and Adolescents

Rubín

Gába²,

Dygrýn

et al. 2020

Preprint

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Background: There are limited studies on the prevalence of adherence to the combined guidelines for physical activity (PA), sedentary behavior, and sleep in children and adolescents. Moreover, little is known about correlates of adherence to the guidelines. Therefore, the main aim of this study is to examine the prevalence and identify the correlates of adherence to the combined movement guidelines among children and adolescents. Methods: A total of 355 children and 324 adolescents from the Czech Republic participated in this study. PA and sleep duration were estimated using multi-day 24-hour raw data from wrist-worn accelerometers. Recreational screen time was self-reported. Sixteen potential correlates were grouped into three homogenous categories for biological and cognitive, behavioral, and family correlates. The multi-level multivariable regression was applied to identify correlates of adherence to combined movement guidelines and to specific combinations of any of two recommendations.Results: Approximately 6.5% of children and 2.2% of adolescents met all recommendations of the combined movement guidelines. Paternal overweight and obesity was significantly associated with adherence to the combined movement guidelines in children (OR = 0.3; 95% CI = 0.1–0.7). Additionally, children had higher odds of meeting specific combinations of two recommendations if they reported healthy diet, participated in organized PA, or if their fathers had a university degree. Meanwhile, paternal overweight and obesity, and high sleep efficiency were associated with lower odds of meeting specific combinations of recommendations. In adolescents, healthy diet, organized PA, and active play were associated with higher odds of meeting specific combinations of any two recommendations. Conclusions: A low proportion of children and adolescents met the combined movement guidelines and several correlates related to family were identified. Family is a key source of influence for healthy movement behaviors during childhood and adolescence.

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Bedtime Autonomy and Cellphone Use Influence Sleep Duration in Adolescents

Cited by 12 publications

References 6 publications

Is adherence to the 24-hour movement guidelines associated with a reduced risk of adiposity among children and adolescents?

Is adherence to the 24-hour movement guidelines associated with a reduced risk of adiposity among children and adolescents?

Prevalence and correlates of adherence to the combined movement guidelines among Czech children and adolescents

Prevalence and Correlates of Adherence to The Combined Movement Guidelines Among Czech Children and Adolescents

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