Association between screen time and accelerometer-measured 24-h movement behaviors in a sample of Brazilian adolescents

Costa, Bruno Gonçalves Galdino da; Chaput, J-P; Lopes, Marcus Vinícius Veber; Malheiros, Luís Eduardo Argenta; Silva, Inácio Crochemore Mohnsam da; Silva, K.S.

doi:10.1016/j.puhe.2021.03.029

Cited by 10 publications

(5 citation statements)

References 29 publications

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“…For example, use of social networking sites was associated with 15 fewer minutes of MVPA in girls, but not in boys. This is consistent with prior evidence showing that the use of social media and chat apps for four or more hours per day was negatively associated with MVPA in girls, but no such association was observed in boys [52]. We also found that the association between internet browsing and sedentary behaviour was stronger in boys but not in girls.…”

Section: Discussionsupporting

confidence: 92%

The Association of Contemporary Screen Behaviours with Physical Activity, Sedentary Behaviour and Sleep in Adolescents: a Cross-sectional Analysis of the Millennium Cohort Study

et al. 2022

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Background Screen behaviours are highly prevalent in adolescents and may be adversely associated with physical and mental health. Understanding how screen behaviours inter-relate with physical activity and sleep may help to clarify pathways through which they impact health and potential routes to behaviour change. This cross-sectional study examines the association of contemporary screen behaviours with physical activity, sedentary behaviour and sleep in adolescents. Method Data are from sweep 6 (2015/2016) of the Millennium Cohort Study, conducted when participants were aged 14 years. Outcome variables were accelerometer-assessed overall physical activity and moderate-to-vigorous physical activity (MVPA), self-reported sedentary behaviour and sleep duration. Screen behaviours were assessed using a 24-h time-use diary. Multivariable regression was used to examine the association between screen behaviours and each outcome variable separately for weekdays and weekend days. Results The use of social network sites was associated with (beta coefficient, 95% confidence interval (CI); minutes/day) less time in MVPA (weekdays: − 5.2 (− 10.3, − 0.04); weekend: − 10.0 (− 15.5, − 4.5)), and sedentary behaviours (weekdays: − 19.8 (− 31.0, − 8.6); weekend: − 17.5 (− 30.9, − 4.1)). All screen behaviours were associated with shorter sleep duration on weekdays, whereas only the use of email/texts and social network sites was associated with shorter sleep duration on weekend days. The association of using social network sites with overall physical activity was stronger in girls than in boys; the association of internet browsing with sedentary behaviour was stronger in boys than in girls. Conclusion Intervention strategies to enhance MVPA and sleep duration by limiting screen-based activities may be warranted.

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Section: Discussionsupporting

confidence: 92%

The Association of Contemporary Screen Behaviours with Physical Activity, Sedentary Behaviour and Sleep in Adolescents: a Cross-sectional Analysis of the Millennium Cohort Study

et al. 2022

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“…From the perspective of valuing what “competes” with screen equipment in time management, when one understands that the options offered by screen equipment are quite attractive not just for children and adolescents, it is important to recognize and value behaviors that “compete” directly with the time spent on screen equipment. Given the inverse associations between screen time and physical activity, 29 , 30 one of the possible ways to reverse the high exposure to screen equipment is creating/revitalizing different leisure options that allow the practice of physical activity. In this sense, it is worth mentioning that these spaces should be accessible, easy, convenient and valued among children and adolescents, considering their perceptions, interests and possibilities.…”

Section: Discussionmentioning

confidence: 99%

Screen time and low back pain in children and adolescents: a systematic review of Brazilian studies

Guerra

Martelo

Silva

et al. 2023

Rev. paul. pediatr.

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Objective: To identify and summarize the possible associations between screen time and low back pain in children and adolescents. Data source: Systematic searches were performed in five electronic databases (Lilacs, Scielo, Scopus, PubMed and Web of Science) on 01/25/2021, complemented by manual searches in reference lists and on Google Scholar, looking for original scientific articles that included Brazilian observational studies; whose samples had children and/or adolescents aged between 6 and 19 years, without specific clinical conditions, and that presented analyses of associations between indicators of screen time and nonspecific low back pain, based on regression models. Data synthesis: Nine cross-sectional studies whose samples had adolescents were included. Of the 18 analyses identified, nine reported risk relationships between the variables of interest. More specifically, risk associations were found in two studies that evaluated adolescents exposed to at least three hours using cell phone or tablet, and watching television per day. Also, instruments, cut-off points adopted, and screen equipment evaluated were diverse. Conclusions: Even though most of the risk associations were borderline from the statistical point of view, we found a higher frequency of risk associations between screen time and non-specific low back pain in adolescents exposed to screen time for at least three hours a day. In addition, further longitudinal studies with samples composed of children should be conducted across the country.

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“…The relationship between PA and ST is negative [ 29 , 32 , 33 ]. Da Costa et al [ 34 ] found that video viewing was related to lower levels of light and moderate to vigorous PA. According to gender, playing videogames in boys was associated with greater sedentary behavior and, in the case of girls, it was associated with the use of social networks.…”

Section: Introductionmentioning

confidence: 99%

An Explanatory Model of the Relationships between Physical Activity, Social Support and Screen Time among Adolescents

Sanz-Martín

Melguizo-Ibáñez

Tendero

et al. 2022

IJERPH

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Effective physical activity studies are necessary to understand how factors involved in physical activity mediate behaviour. Therefore, more reliable explanatory models can be generated in order to design effective actions to promote physical activity. The study had two aims: (1) to develop an explanatory model to identify and establish the relationships between physical activity, social support and screen time among adolescents; and (2) to contrast the explanatory structural model by means of a multi-group analysis according to sex. The study design was cross-sectional with descriptive and correlational analysis. The research was carried out with a representative sample of adolescents from the province of Soria (mean age 14.06 ± 1.27 years). The instruments used were: Four by One-Day Physical Activity Questionnaire, Parent Support Scale and Peer Support Scale. The results show that social support had a negative relationship with screen time (r = −0.178; p ≤ 0.001); males had a positive relationship between physical activity and screen time (r = 0.118; p ≤ 0.05); and peer support had more influence on social support than parental support. In conclusion, the proposed model was effective in triangulating the relationships between physical activity, social support and screen time in a novel way, while allowing us to discriminate these results according to participants’ sex.

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Association between screen time and accelerometer-measured 24-h movement behaviors in a sample of Brazilian adolescents

Cited by 10 publications

References 29 publications

The Association of Contemporary Screen Behaviours with Physical Activity, Sedentary Behaviour and Sleep in Adolescents: a Cross-sectional Analysis of the Millennium Cohort Study

The Association of Contemporary Screen Behaviours with Physical Activity, Sedentary Behaviour and Sleep in Adolescents: a Cross-sectional Analysis of the Millennium Cohort Study

Screen time and low back pain in children and adolescents: a systematic review of Brazilian studies

An Explanatory Model of the Relationships between Physical Activity, Social Support and Screen Time among Adolescents

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