The Bidirectional Association Between Cognitive Function and Gait Speed in Chinese Older Adults: Longitudinal Observational Study

Haibin Li   ^{1, 2 *} , PhD ;   Jiajia Zhang   ^{3 *} , BSc ;   Xinye Zou   ⁴ , PhD ;   Xiuqin Jia   ³ , PhD ;   Deqiang Zheng   ⁵ , PhD ;   Xiuhua Guo   ⁵ , PhD ;   Wuxiang Xie   ⁶ , PhD ;   Qi Yang   ^{3, 7, 8} , MD, PhD

¹ Department of Cardiac Surgery, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China

² Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China

³ Department of Radiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China

⁴ Department of Education, University of Cambridge, Cambridge, United Kingdom

⁵ Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China

⁶ Peking University Clinical Research Institute, Peking University First Hospital, Beijing, China

⁷ Beijing Laboratory for Cardiovascular Precision Medicine, Beijing, China

⁸ Key Laboratory of Medical Engineering for Cardiovascular Disease, Ministry of Education, Beijing, China

*these authors contributed equally