Design and Usability Evaluation of Mobile Voice-Added Food Reporting for Elderly People: Randomized Controlled Trial

Ying-Chieh Liu   ^{1, 2} , PhD ;   Chien-Hung Chen   ³ , MSc ;   Yu-Sheng Lin   ² , MD ;   Hsin-Yun Chen   ⁴ , MSc ;   Denisa Irianti   ¹ , MSc ;   Ting-Ni Jen   ⁵ , BA ;   Jou-Yin Yeh   ⁶ , BSc ;   Sherry Yueh-Hsia Chiu   ^{7, 8} , PhD

¹ Department of Industrial Design, College of Management, Chang Gung University, Taoyuan City, Taiwan

² Department of Internal Medicine, Health Promotion Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan

³ Cybersecurity Technology Institute, Institute for Information Industry, Taipei, Taiwan

⁴ Department of Nutrition Therapy, Chang Gung Memorial Hospital, Taoyuan, Taiwan

⁵ Department of Chemical and Materials Engineering, College of Engineering, Chang Gung University, Taoyuan, Taiwan

⁶ Department of Health Care Management, College of Management, Chang Gung University, Taoyuan, Taiwan

⁷ Department of Health Care Management and Healthy Aging Research Center, College of Management, Chang Gung University, Taoyuan, Taiwan

⁸ Division of Hepatogastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan