Validity of the intake of sugars, amino acids, and fatty acids estimated using a self-administered food frequency questionnaire in middle-aged and elderly Japanese: the Japan Public Health Center-based Prospective Study for the Next Generation (JPHC-NEXT) Protocol Area.
Utako MuraiJunko IshiharaRibeka TakachiAyaka KotemoriYuri IshiiKazutoshi NakamuraJunta TanakaHiroyasu IsoShoichiro TsuganeNorie SawadaPublished in: Journal of epidemiology (2024)
The long-FFQ provided reasonable validity in estimating the intakes of sugars, amino acids, and fatty acids in middle-aged and elderly Japanese. Although caution is warranted for some nutrients, these results may be used in future epidemiological studies.