Table 4.
Latent class analysis for HIV prevention strategies.
| Attributes | PrEP | Condoms, partner PrEP, seropositioning | No strategy |
|---|---|---|---|
| Class size: 51.7% | 31.4% | 16.9% | |
| PrEP1 | Coefficient (standard error) | Coefficient (standard error) | Coefficient (standard error) |
| No PrEP | −0.46 (0.05)*** | −0.47 (0.11)*** | −0.51 (0.35) |
| PrEP | 0.38 (0.06)*** | 0.18 (0.11)* | 0.17 (0.30) |
| Partner taking PrEP | 0.08 (0.05) | 0.29 (0.10)*** | 0.34 (0.28) |
| Condoms | |||
| Inconsistent | −0.15 (0.04)*** | −0.91 (0.10)*** | −0.08 (0.24) |
| Consistent | 0.15 (0.04)*** | 0.91 (0.10)*** | 0.08 (0.24) |
| Type of sex | |||
| Oral sex only | −0.08 (0.08) | 0.20 (0.15) | −0.22 (0.43) |
| Insertive anal sex | 0.04 (0.06) | −0.07 (0.11) | −0.23 (0.34) |
| Receptive anal sex | 0.04 (0.05) | −0.13 (0.11) | 0.45 (0.30) |
| HIV test | |||
| No discussion | −0.10 (0.06) | −0.15 (0.11) | −0.39 (0.44) |
| HIVST2 before sex | −0.05 (0.05) | −0.13 (0.11) | 0.31 (0.34) |
| Partner result | 0.15 (0.06)*** | 0.28 (0.10)*** | 0.08 (0.31) |
| PEP 3 | |||
| No PEP | −0.08 (0.14) | −0.08 (0.17) | −0.29 (0.31) |
| PEP | 0.08 (0.14) | 0.08 (0.17) | 0.29 (0.31) |
| Opt out | −3.07 (0.31)*** | 0.30 (0.19) | 3.00 (0.36)*** |
| Class membership prediction | Theta (standard error) | Theta (standard error) | |
| Online | 0.30 (0.23) | 0.68 (0.30)** | Reference |
| Used condoms with last sex | −0.11 (0.25) | 0.61 (0.29)** | Reference |
| Asked partners about their HIV result at last sex | −0.71 (0.25)*** | −0.61 (0.28)** | Reference |
| Students | −0.40 (0.23)* | −0.20 (0.25) | Reference |
AIC/N = 1.679, LL function = −1,798.97.
*
p-value < 0.10.
**
p-value < 0.05.
***
p-value < 0.01.
1
PrEP, pre-exposure prophylaxis.
2
HIVST, HIV self-testing.
3
PEP, post-exposure prophylaxis.