Table 2.
Pre-exposure prophylaxis (PrEP) knowledge before and immediately after use of the app (N=50).
| True or false items | Negative ranks, n (%) | Ties, n (%) | Z scores |
| PrEP can be bought over the counter without a prescription | 6 (12) | 39 (78) | –0.63 |
| PrEP needs to be taken daily in order to be effective | 13 (26) | 36 (72) | –3.60a |
| PrEP is only recommended for gay and bisexual men | 42 (84) | 7 (14) | –6.48a |
| PrEP can be used to prevent infection after being exposed to HIV | 29 (58) | 20 (40) | –5.39a |
| PrEP can be taken by both men and women to prevent HIV infection | 4 (8) | 44 (88) | –1.34 |
| You need to be at least 18 years of age to get PrEP | 11 (22) | 37 (74) | –2.89a |
| Only HIV doctors can prescribe PrEP | 9 (18) | 37 (74) | –1.73 |
aP<.001.