Prediction of the Normalized COVID-19 Epidemic Prevention Costs of Construction Projects Based on an Optimized Neural Network

Table 2

List of factors that affect the costs of COVID-19 prevention.

Primary influencing factor	Secondary influencing factor
Project itself	Project type
	Construction scale
	Construction content
	Total investment
	Construction period
Implementing a specific subject situation	Registration of qualification
	Number of individuals in the management team
	The number of workers
COVID-19 outbreak pressures	Local epidemic outbreak numbers during the construction period
	Overall domestic epidemic situation
Management measures	Smart construction site situation
	Regular epidemic prevention and control efforts