Relationship Between COVID-19 Infection and Risk Perception, Knowledge, Attitude, and Four Nonpharmaceutical Interventions During the Late Period of the COVID-19 Epidemic in China: Online Cross-Sectional Survey of 8158 Adults

Hong Xu   ^{1, 2} , PhD ;   Yong Gan   ¹ , PhD ;   Daikun Zheng   ³ , MBBS ;   Bo Wu   ⁴ , MBBS ;   Xian Zhu   ² , MBBS ;   Chang Xu   ² , BBA ;   Chenglu Liu   ² , BBA ;   Zhou Tao   ² , BBA ;   Yaoyue Hu   ² , PhD ;   Min Chen   ² , MM ;   Mingjing Li   ² , MSc ;   Zuxun Lu   ¹ , PhD ;   Jack Chen   ^{2, 5} , PhD

¹ School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhai, China

² School of Public Health and Management, Chongqing Medical University, Chongqing, China

³ Chongqing Three Gorges Medical College, Chongqing, China

⁴ Wanzhou District Center for Disease Control and Prevention, Chongqing, China

⁵ Ingham Institute & University of New South Wales, Sydney, Australia