Table 1.
Baseline characteristics of participants who used all four vaginal placebo products in the Quatro Study, by country (N = 190)
| Characteristic | South Africa (N = 91) | Zimbabwe (N = 99) | Total (N = 190) |
|---|---|---|---|
| % | % | % | |
| Age | |||
| Median (IQR)—years | 22 (20–25) | 24 (22–26) | 24 (21–26) |
| 18–24 | 68 | 55 | 61 |
| 25–30 | 32 | 46 | 39 |
| Currently has a primary partner* | 93 | 100 | 97 |
| Lives with partner or married*** | 11 | 94 | 54 |
| Currently has a casual sex partner | 9 | 2 | 5 |
| Ever exchanged sex for money, goods, a place to stay, or services | 3 | 2 | 3 |
| Parity > 0*** | 73 | 100 | 87 |
| Completed secondary school | 76 | 63 | 69 |
| Earns an income*** | 17 | 52 | 35 |
| Attends religious services at least once a week*** | 68 | 100 | 85 |
| No food insecurity in the past 4 weeks*** | 52 | 86 | 70 |
| Has place for privacy in home | 92 | 96 | 94 |
| Worried she will contract HIV in next 12 months | |||
| Not at all/a little | 51 | 47 | 48 |
| Somewhat/very/extremely | 50 | 54 | 52 |
| Contraceptive methods ever used | |||
| Male condom*** | 92 | 60 | 75 |
| Female condom* | 1 | 7 | 4 |
| Pills*** | 31 | 87 | 60 |
| IUD | 3 | 2 | 3 |
| Implants*** | 15 | 49 | 33 |
| Injectable*** | 70 | 33 | 51 |
*p < 0.05; **p < 0.01; ***p < 0.001 in Chi squared test