Table 1.
SARS-CoV-2 testing discrete choice experiment attributes and levels.
| Attributes and levels (abbreviated)a | Descriptive-level textb | |
| Test | ||
|
|
Serology | An antibody test that tells you if you've EVER had a COVID-19 infection |
|
|
PCRc | A PCR test that tells you if you CURRENTLY have a COVID-19 infection |
|
|
Both tests | BOTH an antibody test (EVER infected) and a PCR test (CURRENTLY infected) |
| Specimen type | ||
|
|
Finger prick | A small amount of blood from a finger prick |
|
|
Blood draw | A small tube of blood taken from your arm |
|
|
Cheek | Oral fluid from a swab of the inside of your cheek |
|
|
Spit | A spit sample collected in a small cup |
|
|
Nasal shallow | A SHALLOW swab of the inside of your nostrils |
|
|
NPd swab | A DEEP swab that goes far into your nasal passages |
|
|
Urine | A urine sample collected in a small cup |
| Venue | ||
|
|
Home collection, receiving, and returning kit in mail | You are mailed a package with the test kit; you collect the specimen and mail it back to the lab |
|
|
Home collection, receiving kit in mail, and returning to a collection site | You are mailed a package with the test kit; you collect the specimen and drop it off at a collection site near your home |
|
|
Doctor’s office or urgent care clinic | You go to your doctor's office or an urgent care clinic to have the specimen collected |
|
|
Walk-in community testing site | You go to a walk-in community testing site to have the specimen collected |
|
|
Drive-through community testing site | You go to a drive-through community testing site to have the specimen collected (you stay in your car) |
|
|
Pharmacy | You go to a local pharmacy to have the specimen collected |
| Results turnaround time | ||
|
|
Immediate | Immediately (within 15 minutes) |
|
|
Same day | On the same day |
|
|
48 hours | Within 48 hours |
|
|
5 days | Within 5 days |
|
|
Greater than 5 days | >5 days |
aSome combinations of attribute levels were prohibited. For example, a test scenario that included a specimen collected at home and returned to the lab via mail could not also include the immediate test result level.
bDescriptive text was displayed in the choice exercise.
cPCR: polymerase chain reaction.
dNP: nasopharyngeal.