Associations of Adiposity and Aerobic Fitness with Executive Function and Math Performance in Danish Adolescents - 24/09/15
, Jakob Tarp, MS 1, Sidsel Louise Domazet, MS 1, Anne Kær Thorsen, MS 1, Karsten Froberg, MS 1, Lars Bo Andersen, PhD 1, 2, Anna Bugge, PhD 1Abstract |
Objective |
To examine the associations of adiposity and aerobic fitness with executive function and math performance in Danish adolescents.
Study design |
Cross-sectional analyses were conducted with data on 525 adolescents attending sixth and seventh grades from 14 schools in the 5 main regions of Denmark. A modified Eriksen flanker task was used to assess inhibitory control, a key aspect of executive function. Academic performance was assessed by a customized math test. Aerobic fitness was assessed by an intermittent shuttle-run test (Andersen test).
Results |
Body mass index (BMI) was negatively associated with accuracy on incongruent trials during the flanker task (P = .005). A higher BMI was associated with a larger accuracy interference score (P = .01). Similarly, waist circumference (WC) was negatively associated with accuracy on incongruent trials (P = .008). A higher WC was associated with a larger reaction time (RT) interference score (P = .02) and accuracy interference score (P = .009). Higher aerobic fitness was associated with a faster RT on congruent trials (P = .009) and incongruent trials (P = .003). Higher aerobic fitness was associated with a smaller RT interference score (P = .04). Aerobic fitness was positively associated with math score (P < .001). BMI and WC were not associated with math score (P > .05).
Conclusions |
These results suggest that aerobic fitness is positively associated with both inhibitory control and math performance in adolescents. Adiposity is negatively associated with inhibitory control in adolescents. Adiposity is not associated with math performance.
Le texte complet de cet article est disponible en PDF.Keyword : BMI, ICC, RT, WC
Plan
| Funded by the Danish Ministry of Education (51401). The authors declare no conflicts of interest. |
Vol 167 - N° 4
P. 810-815 - octobre 2015 Retour au numéro
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