Reproducibility and validity of food group intake in a short food frequency questionnaire for the middle-aged Japanese population

• Main Authors: Nahomi Imaeda (Author), Chiho Goto (Author), Tae Sasakabe (Author), Haruo Mikami (Author), Isao Oze (Author), Akihiro Hosono (Author), Mariko Naito (Author), Naoko Miyagawa (Author), Etsuko Ozaki (Author), Hiroaki Ikezaki (Author), Hinako Nanri (Author), Noriko T. Nakahata (Author), Sakurako K. Kamano (Author), Kiyonori Kuriki (Author), Yuri T. Yaguchi (Author), Takamasa Kayama (Author), Ayako Kurihara (Author), Sei Harada (Author), Kenji Wakai (Author)
• Format: Book
• Published: Komiyama Printing Co. Ltd, 2021-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Purpose The purpose of this study was to evaluate the reproducibility and validity of a short food frequency questionnaire (FFQ) for food group intake in Japan, the reproducibility and partial validity of which were previously confirmed for nutrients. Methods A total of 288 middle-aged heal...