Objective: The present study aimed to identify dietary patterns and determine the relationship between dietary patterns and cognitive ability among 12-to 13 year-old Malay adolescents in the urban areas of Gombak district in Selangor, Malaysia. Design: Data on sociodemographic background were obtained from parents. Height and weight were measured and BMI-for-age was determined. Adolescents were interviewed on their habitual dietary intakes using a semi-quantitative FFQ. Cognitive ability was assessed using the Wechsler Nonverbal Scale of Ability in a one-to-one manner. Dietary patterns were constructed using principal component analysis based on thirty-eight food groups of the semi-quantitative FFQ.
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