Table 3.
Multivariable model of factors associated with undisclosed ARV use among HIV-positive blood donors.
| Bivariate Analysis | Multivariable Model | |||||
|---|---|---|---|---|---|---|
| Reference Group | OR* | 95% CI** | aOR# | 95% CI | ||
| Gender | ||||||
| Female | 1.33 | 0.86 | 2.07 | - | ||
| Male | Reference | |||||
| Ethnicity | ||||||
| Asian/Indian | 0.92 | 0.12 | 7.25 | - | ||
| Black | Reference | . | . | |||
| Coloured | 1.53 | 0.58 | 4.03 | |||
| Unknown | 1.27 | 0.44 | 3.68 | |||
| White | 0.24 | 0.03 | 1.78 | |||
| Age Category | ||||||
| <21 | Reference | Reference | ||||
| 21–30 | 1.01 | 0.58 | 1.767 | 1.52 | 0.85 | 2.73 |
| 31–40 | 2.38 | 1.37 | 4.17 | 3.22 | 1.80 | 5.77 |
| >40 | 2.80 | 1.53 | 5.14 | 3.73 | 1.98 | 7.04 |
| Donor Type | ||||||
| Repeat | Reference | Reference | ||||
| First-time | 5.70 | 2.74 | 5.24 | 2.48 | 11.11 | |
| Lapsed~ | 1.77 | 0.72 | 1.49 | 0.60 | 3.70 | |
| Clinic Type | ||||||
| Fixed | Reference | Reference | ||||
| Mobile | 2.06 | 1.16 | 3.67 | 1.75 | 0.95 | 3.21 |
| Home Province | ||||||
| Northern Rural## | Reference | Reference | ||||
| Eastern Cape | 3.99 | 1.05 | 15.12 | 4.63 | 1.19 | 17.95 |
| Free State | 5.19 | 1.41 | 19.11 | 6.44 | 1.71 | 24.29 |
| Gauteng | 4.26 | 1.30 | 14.01 | 4.12 | 1.24 | 13.73 |
| KwaZulu Natal | 7.80 | 2.35 | 25.87 | 9.10 | 2.70 | 30.72 |
| Mpumalanga | 5.66 | 1.67 | 19.11 | 5.48 | 1.60 | 18.80 |
*
Odds ratio
**
Confidence interval
#
Adjusted odds ratio
##
Limpopo, North West, Northern Cape
~
Lapsed donors: previous donation was more than 12-months before the index donation.