Relative validity of brief-type self-administered diet history questionnaire among very old Japanese aged 80 years or older - Kobayashi, Satomi; Yuan, Xiaoyi; Sasaki, Satoshi; Osawa, Yusuke; Hirata, Takumi; Abe, Yukiko; Takayama, Michiyo; Arai, Yasumichi; Masui, Yukie; Ishizaki, Tatsuro (Public health nutrition, 2019)
Keywords: Adults; Age; Aged, 80 and over; Aging; Assessment and methodology; Correlation coefficient; Correlation coefficients; Diet; Diet - statistics & numerical data; Diet Records; Diet Surveys - standards; Dietary intake; elderly nutrition; epidemiological studies; Epidemiology; Female; Food; food frequency questionnaires; Food groups; food intake; Health care; Humans; Japan; Male; men; Nutrients; Nutrients - analysis; Nutrition research; Older people; Population; Populations; Reproducibility of Results; Research paper; Statistics, Nonparametric; Surveys and Questionnaires - standards; Validity; women; Womens health; Japan; Relative validity; Very old Japanese; Dietary intake; Diet history questionnaire