Web-Based Content on Diet and Nutrition Written in Japanese: Infodemiology Study Based on Google Trends and Google Search

Kentaro Murakami   ¹ , BEd, MSc, PhD ;   Nana Shinozaki   ¹ , MPH, RD, PhD ;   Nana Kimoto   ¹ , RD ;   Hiroko Onodera   ¹ , RD ;   Fumi Oono   ² , MSc, RD ;   Tracy A McCaffrey   ³ , BSc, PhD ;   M Barbara E Livingstone   ⁴ , BEd, MSc, PhD ;   Tsuyoshi Okuhara   ⁵ , MPH, PhD ;   Mai Matsumoto   ⁶ , MSc, RD, PhD ;   Ryoko Katagiri   ⁶ , MPH, MD, PhD ;   Erika Ota   ^{7, 8} , BSN, MHSc, PhD ;   Tsuyoshi Chiba   ⁹ , PhD ;   Yuki Nishida   ¹⁰ , BEd, MSc ;   Satoshi Sasaki   ^{1, 2} , BSc, MD, PhD

¹ Department of Social and Preventive Epidemiology, School of Public Health, The University of Tokyo, Tokyo, Japan

² Department of Social and Preventive Epidemiology, Division of Health Sciences and Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

³ Department of Nutrition, Dietetics and Food, Monash University, Melbourne, Australia

⁴ Nutrition Innovation Centre for Food and Health (NICHE), School of Biomedical Sciences, Ulster University, Coleraine, United Kingdom

⁵ Department of Health Communication, School of Public Health, The University of Tokyo, Tokyo, Japan

⁶ Department of Nutritional Epidemiology and Shokuiku, National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan

⁷ Global Health Nursing, Graduate School of Nursing Science, St. Luke’s International University, Tokyo, Japan

⁸ Tokyo Foundation for Policy Research, Tokyo, Japan

⁹ Department of Food Function and Labeling, National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan

¹⁰ Department of Biostatistics, M&D Data Science Center, Tokyo Medical and Dental University, Tokyo, Japan