An Improved Statistical Method to Estimate Usual Intake Distribution of Nutrients by Age Group

Hiroshi Yokomichi^1*, Tetsuji Yokoyama², Kunihiko Takahashi³, Nobuo Yoshiike⁴, Zentaro Yamagata¹ and Toshiro Tango⁵

¹Department of Health Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 1110 Shimokato, Chuo City, Yamanashi, Japan, E-mail: yokoyama@edu.com

²Department of Health Promotion, National Institute of Public Health, 2-3-6 Minami, Wako, Saitama, Japan, E-mail: yokoyama@edu.com

³Department of Health Policy and Technology Assessment, National Institute of Public Health, 2-3-6 Minami, Wako, Saitama, Japan, E-mail: yokoyama@edu.com

⁴Department of Nutrition, Faculty of Health Sciences, Aomori University of Health and Welfare, HamadateMase 58-1, Aomori City, Aomori, Japan, E-mail: yokoyama@edu.com

⁵Center for Medical Statistics, SAN Building 4F, 2-9-6 Higashishinbashi, Minato-ku, Tokyo, Japan, E-mail: yokoyama@edu.com

^*Corresponding Author: Hiroshi Yokomichi, Department of Health Sciences, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 1110 Shimokato, Chuo City, Yamanashi-409-3898, Japan, Tel: +81 55 273 9566, Fax: +81 55 273 7882