Background:Few studies have investigated associations between academic achievement and meeting recommendations from the 24-hour(24-h)movement guidelines.The specific guidelines associated with the most benefit academic achievement are unknown.Utilizing both self-report and objective movement data,this study examined associations between academic achievement and meeting individual recommendations and combinations of recommendations from the 24-h movement guidelines(sleep,physical activity,and screen time).Methods:Data from CheckPoint,a cross-sectional study nested between Waves 6 and 7 of the Longitudinal Study of Australian Children,were used.Movement behaviors were measured using 24-h wrist-worn accelerometry(GENEActiv(Activinsights,Kimbolton,UK))and were self-reported by children using the Multimedia Activity Recall for Children and Adolescents.Academic achievement was measured using a nation-ally administered standardized test in literacy and numeracy.Analysis of covariance,with t tests with sequential Bonferroni adjustments,was used to compare academic achievement with all possible combinations of meeting recommendations,adjusting for demographic confounders.Two models were considered:guideline compliance assessed by self-report(n=1270,mean age=11.99 years,52％males)and by accelerometry(for moderate-to-vigorous intensity physical activity(MVPA)and sleep))and self-report(screen time)in combination(n=927,mean age=11.97 years,52％males).Results:Literacy achievement significantly differed based on self-report(F(7,1258)=3.08,p=0.003)and accelerometer derived(F(7,915)=2.40,p=0.02)guideline compliance.Numeracy achievement significantly differed based on self-report(F(7,1258)=2.92,p=0.005)but not accelero-meter derived guideline compliance(F(7,915)=0.80,p=0.58).When assessed by self-report,children who met all guidelines(t(334)=-4.05,p=0.0001)or met the screen time and sleep guidelines in combination(t(125)=-5.02,p＜0.001)had superior literacy achievement.Meeting the self-report MVPA guideline in any combination was associated with higher numeracy scores(p＜0.05).Post-hoc analyses showed no diffe-rences in academic achievement for any category of accelerometer derived guideline compliance.Conclusion:The findings suggest that limiting recreational screen time is important for literacy achievement and that encouraging compliance with the MVPA guideline is important for numeracy achievement.

Amanda Watson;Dorothea Dumuid;Carol Maher;Tim Olds

Alliance for Research in Exercise,Nutrition and Activity(ARENA),Allied Health and Human Performance,University of South Australia,Adelaide,SA5001,Australia

运动与健康科学（英文）

[1]Amanda Watson;Dorothea Dumuid;Carol Maher;Tim Olds-.Associations between meeting 24-hour movement guidelines and academic achievement in Australian primary school-aged children)[J].运动与健康科学（英文）,2022(04):521-529

CheckPoint,GENEActiv,Activinsights,Kimbolton,numeracy,Numeracy,accelero,rences

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