Accepted for/Published in: Journal of Medical Internet Research
Date Submitted: Jun 12, 2020
Date Accepted: Oct 24, 2020
Date Submitted to PubMed: Oct 27, 2020
The Relationship Between Covid-19 Infection and Risk Perception, Knowledge, Attitude as Well As Four Non-Pharmaceutical Interventions (NPIs) During the Late Period of The Covid-19 Epidemic in China – An Online Cross-Sectional Survey Of 8158 Adults
ABSTRACT
Background:
So far, there has been no published population study on the relationship between COVID-19 infection and public’s risk perception, information source, knowledge, attitude and behaviours during the COVID-19 outbreak in China.
Objective:
To understand the relationships between COVID-19 infection, four personal non-pharmaceutical interventions (NPIs) (hand washing, proper coughing habits, social distancing, and mask wearing) and public’s risk perception, knowledge, attitude and other social demographic variables.
Methods:
An online survey of 8158 Chinese adults between 22 February to 5 March 2020 was conducted. Bivariate associations between categorical variables were examined using Fisher exact test. We also explored the determinants of four NPIs as well as their association with COVID-19 infection using logistic regression.
Results:
Of 8158 adults included, 57 (0.73%) were infected with COVID-19. The overwhelming majority of respondents showed a positive attitude (99.2%), positive risk perception (99.9%) and high knowledge levels that were among the strongest predictors of four highly adopted NPIs (hand washing:96.8%; proper coughing: 93.1%; social distancing:87.1%; mask wearing:97.9%). There was an increased risk of COVID-19 infection for those who not washing hands (2.28% vs 0.65%; RR=3.53: 95%CI: 1.53-8.15; P=0.009); not practicing proper coughing (1.79% vs 0.73%; RR=2.44: 95%CI: 1.15-5.15;P=0.026); not practicing social distancing (1.52% vs 0.58%; RR=2.63:95%CI:1.48 – 4.67; P=0.002); and not wearing a mask (7.41% vs 0.6%; RR=12.38:95%CI:5.81-26.36; P<0.001). For those who did practice all other three NPIs, wearing mask was associated with significantly reduced risk of infection compared to those who did not wear a mask (0.6% vs 16.7%; P=0.035). Similarly, for those who did not practice all or part of the other three NPIs, wearing mask was also associated with significantly reduced risk of infection. In a penalised logistic regression model including all four NPIs, wearing a mask was the only significant predictor of COVID-19 infection among four NPIs (OR=7.20; 95%CI:2.24-23.11; P<0.001).
Conclusions:
We found high levels of risk perception, positive attitude, desirable knowledge as well as a high level of adopting four NPIs. The relevant knowledge, risk perception and attitude were strong predictors of adapting the four NPIs. Mask wearing, among four personal NPIs, was the most effective protective measure against COVID-19 infection with added preventive effect among those who practised all or part of the other three NPIs. Clinical Trial: N/A
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