Exploring the Discontinuous Usage Behavior of Digital Cognitive Training Among Older Adults With Mild Cognitive Impairment and Their Family Members: Qualitative Study Using the Extended Model of IT Continuance

Shangyang Zhang   ^{1 *} , BS ;   Min Wu   ^{2 *} , BS ;   Ruini Sun   ² , MSc ;   Changjie Cui   ³ , LLM ;   Ziqing Zhang   ⁴ , MM ;   Jing Liao   ^{2, 5 *} , PhD ;   Ni Gong   ^{1 *} , PhD

¹ School of Nursing, Jinan University, Guangzhou, China

² Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

³ School of Sociology and Anthropology, Sun Yat-sen University, Guangzhou, China

⁴ School of Nursing, Capital Medical University, Beijing, China

⁵ Global Health Institute, School of Public Health, Instiute of State Governance, Sun Yat-sen University, Guangzhou, China

*these authors contributed equally