Adoption of Preventive Measures During the Very Early Phase of the COVID-19 Outbreak in China: National Cross-sectional Survey Study

Joseph Lau   ¹ , PhD ;   Yanqiu Yu   ¹ , PhD ;   Meiqi Xin   ¹ , PhD ;   Rui She   ¹ , PhD ;   Sitong Luo   ^{1, 2} , PhD ;   Lijuan Li   ³ , MPA ;   Suhua Wang   ⁴ , PhD ;   Le Ma   ⁵ , PhD ;   Fangbiao Tao   ⁶ , PhD ;   Jianxin Zhang   ⁷ , MD ;   Junfeng Zhao   ⁸ , PhD ;   Dongsheng Hu   ^{9, 10} , PhD ;   Liping Li   ¹¹ , PhD ;   Guohua Zhang   ¹² , PhD ;   Jing Gu   ¹³ , PhD ;   Danhua Lin   ¹⁴ , PhD ;   Hongmei Wang   ¹⁵ , PhD ;   Yong Cai   ¹⁶ , PhD ;   Zhaofen Wang   ¹⁷ , MSc ;   Hua You   ¹⁸ , PhD ;   Guoqing Hu   ¹⁹ , PhD ;   COVID-19 University Student Research Group   ²⁰

¹ Centre for Health Behaviours Research, Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China (Hong Kong)

² Vanke School of Public Health, Tsinghua University, Beijing, China

³ School of Public Health, Dali University, Dali, China

⁴ Graduated School of Baotou Medical College, Baotou Medical College, Baotou, China

⁵ School of Public Health, Xi’an Jiaotong University Health Science Center, Xi'an, China

⁶ Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China

⁷ School of Public Health, Sichuan University, Chengdu, China

⁸ Department of Psychology, School of Education, Henan University, Kaifeng, China

⁹ Department of Biostatistics and Epidemiology, School of Public Health, Shenzhen University Health Science Center, Shenzhen, China

¹⁰ Department of Epidemiology and Health Statistics, College of Public Health, Zhengzhou University, Zhengzhou, China

¹¹ Shantou University Medical College, Shantou, China

¹² Department of Psychology, School of Psychiatry, Wenzhou Medical University, Wenzhou, China

¹³ Department of Medical Statistics, School of Public Health, Sun Yat-Sen University, Guangzhou, China

¹⁴ Faculty of Psychology, Beijing Normal University, Beijing, China

¹⁵ School of Public Health, Zhejiang University School of Medicine, Hangzhou, China

¹⁶ School of Public Health, Shanghai Jiao Tong University, Shanghai, China

¹⁷ Public Health Department, Qinghai University Medical College, Xining, China

¹⁸ Department of Social Medicine and Health Education, School of Public Health, Nanjing Medical University, Nanjing, China

¹⁹ Department of Epidemiology of Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China

²⁰ See Authors’ Contributions