Table 1.
Demographic characteristics of the usability study participants (N=50).
| Characteristics | Usability test (n=10) | UXa survey (n=40) | |
| Age (range 21-68 years), mean (SD) | 27.9 (3.1) | 33.6 (10.9) | |
| Race, n (%) | |||
|
|
White | 7 (70) | 34 (85) |
|
|
Black or African American | 1 (10) | 2 (5) |
|
|
American Indian or Alaska native | 0 (0) | 0 (0) |
|
|
Asian | 2 (20) | 1 (3) |
|
|
Pacific Islander or Native Hawaiian | 0 (0) | 0 (0) |
|
|
Multiracial | 0 (0) | 2 (5) |
|
|
Chose not to respond | 0 (0) | 1.0 (3) |
| Ethnicity (Hispanic or Latino), n (%) | 1 (10) | 9 (23) | |
| Single relationship status, n (%) | 7 (70) | 31 (78) | |
| College degree, n (%) | 9 (90) | 35 (88) | |
| Low incomea, n (%) | 2 (20) | 8 (20) | |
| Unemployed, n (%) | 1 (10) | 1 (3) | |
| Gay or bisexual identity, n (%) | 10 (100) | 39 (98) | |
| US region of residence, n (%) | |||
|
|
Northeast | 6 (60) | 25 (63) |
|
|
South | 2 (20) | 3 (8) |
|
|
Midwest | 1 (10) | 6 (15) |
|
|
West | 1 (10) | 6 (15) |
| AUDITb total score, mean (SD) | 12 (6.0) | 10.8 (5.7) | |
| DASTc total score, mean (SD) | 1.7 (2.5) | 1.7 (1.6) | |
| PrEPd medication type, n (%) | |||
|
|
Truvada | 7 (70) | 28 (70) |
|
|
Descovy | 3 (30) | 10 (25) |
|
|
FTC-TDFe | 0 (0) | 2 (5) |
| Number of years on PrEP, mean (SD) | 4.0 (2.0) | 4.7 (1.3) | |
| Days taken PrEP, past 30 days, mean (SD) | 26.1 (6.0) | 28.0 (3.6) | |
aUX: user experience.
bAUDIT: Alcohol Use Disorders Identification Test.
cDAST: Drug Abuse Screening Test.
dPrEP: pre-exposure prophylaxis.
eFTC-TDF: emtricitabine-tenofovir disoproxil fumarate.