Table 2.
Enrolment and follow-up characteristics of volunteers randomized to daily versus intermittent dosing
| Characteristics at enrolment | Daily | Intermittent |
|---|---|---|
| Number of volunteers | 29 | 33 |
| Mean age in years (range) | 26 (20–38) | 26 (18–35) |
| Mean years of education (range) | 10 (0–16) | 10 (0–15) |
| Source of income | ||
| Self (%) | 62 | 61 |
| Family (%) | 24 | 15 |
| No employment (%) | 14 | 24 |
| Married, monogamous (%) | 0 | 6 |
| Engaged in sex work in past month (%) | 48 | 48 |
| Engaged in sex with men in past month (%) | 83 | 88 |
| Characteristics during follow-upa | ||
|---|---|---|
| Any sex (%) | 89 | 94 |
| Any sex while drunk (%) | 36 | 44 |
| Sex with a new partner (%) | 65 | 65 |
| <100 % condom use with new or HIV + partners (%) | 34 | 17 |
| Involved in transactional sex (%) | 63 | 63 |
| Sex with a known HIV + person (%) | 1 | 2 |
| Receptive anal intercourse (%) | 54 | 60 |
| Insertive anal intercourse (%) | 62 | 60 |
| <100 % condom use with anal intercourse (%) | 36 | 34 |
| Frequent travel (%) | 40 | 44 |
| Any alcohol use (%) | 54 | 69 |
| Any drug use (%) | 40 | 52 |
aAverage event rate per month, based on events reported for 114 and 126 follow-up months for daily and intermittent groups, respectively