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Table 1 DCE attributes and levels

From: Location, location, location: a discrete choice experiment to inform COVID-19 vaccination programme delivery in the UK

Attribute Level 1 Level 2 Level 3 Level 4 Level 5
Mode of delivery Local vaccination centre Nearby GP surgery (Primary Care Network) Nearby pharmacy Drive-thru Mobile/ pop-up
Appointment time Monday to Friday, 9 am-5 pm Monday to Friday, after hours (before 9 am or after 5 pm) Weekends  
Proximity from one’s home Less than 15 min Between 15 and 30 min Between 30 and 45 min   
SMS invitation sender NHS Your GP Best friend   
  1. The five attributes (and their levels) included in the DCE design