Adherence to Screen Time and Physical Activity Guidelines is Associated with Executive Function in US Toddlers Participating in the STRONG Kids 2 Birth Cohort Study - 14/12/22
Abstract |
Objective |
To test the hypothesis that healthy weight status and adherence to American Academy of Pediatrics (AAP) guidelines for diet and physical activity would extend to greater executive function (EF) at age 24 months.
Study design |
Parents of 24-month-old children from the STRONG Kids 2 cohort study (n = 352) completed the Behavioral Rating Inventory of Executive Function for Preschoolers (BRIEF-P) and reported physical activities, diet, and screen time. Toddlers met AAP guidelines if they consumed at least 5 servings of fruits and vegetables, were physically active, refrained from sugar-sweetened beverages, and limited daily screen time to <60 minutes. Relationships between EF, 24-month weight status, and meeting AAP guidelines were tested independent of child sex, ethnicity, socioeconomic status, weight status at birth, and maternal pregnancy weight status.
Results |
Weight-for-length z-score had no effect on EF. Toddlers meeting the screen time guideline had greater EF (β, −0.125; 95% CI, 0.234 to −0.008), inhibitory self-control (β, −0.142; 95% CI, −0.248 to −0.029), and emergent metacognition (β, −0.111; 95% CI, −0.221 to 0.002), indicated by lower BRIEF-P scores. Those with more minutes of screen time had poorer overall EF (β, 0.257; 95% CI, 0.118-0.384), inhibitory self-control (β, 0.231; 95% CI, 0.099-0.354), cognitive flexibility (β, 0.217; 95% CI, 0.082-0.342), and emergent metacognition (β, 0.257; 95% CI, 0.120-0.381). Daily physical activity was associated with greater emergent metacognition (β, −0.116; 95% CI, −0.225 to −0.005).
Conclusions |
Meeting AAP guidelines for physical activity and screen time was related to greater EF in a demographically homogenous sample of toddlers. Future randomized control trials and more diverse samples are needed to confirm the directionality of this relationship.
Clinical trial registration |
ClinicalTrials.gov, NCT03341858.
Le texte complet de cet article est disponible en PDF.Keywords : executive function, screen time, physical activity, toddler
Abbreviations : 3-moa, 24-moa, AAP, BMI, BRIEF-P, EF, FFQ, FITS, SES, SPARK, SSB, WFLZ
Plan
| This study was a subanalysis of the STRONG Kids 2 birth cohort study, which is funded by grants from the National Dairy Council (to S.D. and B.F.), the Gerber Foundation, (to S.D.), the Christopher Family Foundation (to S.D. and K.B.), and the National Institutes of Health (R01 DK107561, to S.D.) and Hatch Act funding from the US Department of Agriculture (USDA; ILLU 793–330, to B.F. and K.B.). A.M. was supported by a USDA National Needs fellowship (2017-09548) to the Division of Nutritional Sciences. The authors declare no conflicts of interest. |
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| Portions of this study were presented as a poster during the American Academy for Nutrition meeting, June 7-10, 2021, virtual. |
Vol 252
P. 22 - janvier 2023 Retour au numéro
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