Abstract
Background
Few studies have analyzed the combined effect of lifestyle factors on academic performance (AP) in adolescents. The aim of this study was to analyze the independent and combined effects of weight status, screen time, sleep quality, daily meal frequency, cardiorespiratory fitness, and physical activity (PA) on AP in adolescents.
Methods
A total of 262 adolescents (13.9 ± 0.3 years) from the DADOS study were included in the analysis. Weight status was assessed through body mass index (kg/m2). Participants completed questionnaires to evaluate screen time, sleep quality, and daily meal frequency. Cardiorespiratory fitness was assessed by the 20-m shuttle run test. PA was evaluated by a wrist-worn GENEActiv accelerometer. AP was assessed through the final academic grades and a validated questionnaire.
Results
Non-overweight status, low screen time, good sleep quality, and proper meal frequency showed independent, positive influence on AP. Moreover, adolescents achieving at least three healthy lifestyles were more likely to be in the high-performance group for academic grades than those achieving ≤1 (math OR: 3.02–9.51, language OR: 3.51–6.76, and grade point average OR: 4.22–9.36).
Conclusions
Although individual healthy lifestyles are independently and positively associated with AP, the cumulative effect of multiple healthy lifestyles have a stronger impact.
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Acknowledgements
The DADOS Study is funded by the Spanish Ministry of Economy and Competitiveness, MINECO (DEP2013–45515-R) and by the Jaume I University of Castellon, UJI (P1·1A2015-05). This work is partly supported by a Sunny Sport research grant from the Schweppes Suntory Spain Company. D.J.P. was supported by a grant from the Spanish Ministry of Science and Innovation - MINECO (RYC-2014–16938). M.A.R. is supported by a Predoctoral Research Grant from UJI (PREDOC/2015/13).
Author contributions
M.A.R. was involved in the data collection and analysis, drafting of the initial manuscript. D.J.P. was involved in the data analysis and critical revision of the manuscript. M.R.B.V. was involved in the data collection and critical revision of the manuscript. D.M.U. was involved in the study design and data collection, manuscript preparation, and critical revision. All authors have read and approved the final manuscript.
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Adelantado-Renau, M., Jiménez-Pavón, D., Beltran-Valls, M.R. et al. Independent and combined influence of healthy lifestyle factors on academic performance in adolescents: DADOS Study. Pediatr Res 85, 456–462 (2019). https://doi.org/10.1038/s41390-019-0285-z
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DOI: https://doi.org/10.1038/s41390-019-0285-z
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