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Fluid intake, hydration status and its association with cognitive function among adolescents in Petaling Perdana, Selangor, Malaysia

Nutrition Research and Practice 2020년 14권 5호 p.490 ~ 500
Tung Serene En Hui, Ch’ng Yi Zhang, Karnan Thaneswary V., Chong Pei Nee, Zubaidah Jamil Osman, Chin Yit Siew,
소속 상세정보
 ( Tung Serene En Hui ) - UCSI University Kuala Lumpur Campus Department of Food Science and Nutrition
 ( Ch’ng Yi Zhang ) - UCSI University Kuala Lumpur Campus Department of Food Science and Nutrition
 ( Karnan Thaneswary V. ) - UCSI University Kuala Lumpur Campus Department of Food Science and Nutrition
 ( Chong Pei Nee ) - UCSI University Kuala Lumpur Campus Department of Food Science and Nutrition
 ( Zubaidah Jamil Osman ) - Cyberjaya University College of Medical Sciences Division of Psychology
 ( Chin Yit Siew ) - Universiti Putra Malaysia Department of Nutrition and Dietetics

Abstract


BACKGROUND/OBJECTIVES: A cross-sectional study was undertaken to evaluate fluid intake and hydration status in association with cognitive function among 230 adolescents (10?14 years of age) in Petaling Perdana, Selangor, Malaysia.

SUBJECTS/METHODS: Urine color was used to measure hydration status, while fluid intake was assessed using the 15-item beverage intake questionnaire. Cognitive function was assessed using the Wechsler Intelligence Scale for Children, Fourth Edition.

RESULTS: More than half of the adolescents were mildly or moderately dehydrated (59.6%) and only one-third (33.0%) were well hydrated. Among the daily fluid types, intakes of soft drinks (r = ?0.180; P = 0.006), sweetened tea (r = ?0.184; P = 0.005) and total sugar-sweetened beverages (SSBs) (r = ?0.199; P = 0.002) were negatively correlated with cognitive function. In terms of hydration status, cognitive function score was significantly higher (F-ratio = 4.102; P = 0.018) among hydrated adolescents (100.38 ± 12.01) than in dehydrated (92.00 ± 13.63) counterparts. Hierarchical multiple linear regression analysis, after adjusting for socio-demographic factors, showed that soft drinks (β = ?0.009; P < 0.05) and sweetened tea (β = ?0.019; P < 0.05) negatively predicted cognitive function (ΔR2 = 0.044). When further control for sources of fluid, hydration status (β = ?2.839; P < 0.05) was shown to negatively predict cognitive function (ΔR2 = 0.021). The above variables contributed 20.1% of the variance in cognitive function.

CONCLUSIONS: The results highlight the links between fluid intake (soft drinks, sweetened tea, total SSBs) and hydration status with cognitive function in adolescents. Interventions aimed at decreasing the consumption of SSBs and increasing hydration status through healthy fluid choices, such as water, could improve cognitive performance in adolescents.

키워드

Beverage; hydration; cognitive function; adolescents

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