Table 2.
Predictors of tablet ratings after one-month of use (N = 255 visits)
| N (%) | βa | 95% CI | p value | |
|---|---|---|---|---|
| Baseline participant characteristics | ||||
| Age | ||||
| 18–24 | 173 (67.8) | Ref | ||
| 25–30 | 82 (32.2) | 0.02 | − 0.32, 0.35 | 0.928 |
| Site | ||||
| South Africa | 128 (50.2) | Ref | ||
| Kenya | 127 (49.8) | 0.45 | 0.13, 0.76 | 0.006 |
| Married or cohabiting | 66 (25.9) | − 0.13 | − 0.54, 0.28 | 0.537 |
| Ever pregnant | 202 (79.2) | 0.00 | − 0.42, 0.43 | 0.996 |
| Completed secondary school | 134 (52.6) | − 0.38 | − 0.71, − 0.06 | 0.021 |
| Earns an income | 82 (32.3) | − 0.11 | − 0.48, 0.27 | 0.578 |
| Lives with | ||||
| Parents or grandparents | 131 (51.4) | Ref | ||
| Husband/boyfriend | 69 (27.1) | − 0.28 | − 0.73, 0.16 | 0.213 |
| Other | 55 (21.6) | − 0.23 | − 0.66, 0.21 | 0.310 |
| Food insecurity | ||||
| Never | 116 (45.5) | Ref | ||
| Rarely or sometimes | 100 (39.2) | − 0.12 | − 0.49, 0.25 | 0.520 |
| Often | 39 (15.3) | 0.03 | − 0.45, 0.52 | 0.887 |
| Has privacy in the home | 210 (82.7) | 0.24 | − 0.19, 0.68 | 0.276 |
| Ever used oral contraceptives | 67 (26.3) | 0.12 | − 0.22, 0.46 | 0.473 |
| Sexual behavior | ||||
| # sex acts, past month (mean, SD) | 5.02 (4.6) | 0.01 | − 0.03, 0.04 | 0.600 |
| # sex partners, past month | ||||
| 0 or 1 | 227 (89.0) | Ref | ||
| > 1 | 28 (11.0) | 0.29 | − 0.21, 0.79 | 0.254 |
| Product attributes | ||||
| Reports the following attribute as acceptable (vs. unacceptable) | ||||
| Product look | 157 (61.6) | 1.06 | 0.72, 1.40 | < 0.001 |
| Ease of use | 149 (58.4) | 1.15 | 0.85, 1.45 | < 0.001 |
| Interference with normal activities | 170 (66.7) | 1.16 | 0.82, 1.49 | < 0.001 |
| Tablet color | 190 (74.5) | 0.70 | 0.32, 1.08 | < 0.001 |
| How it felt to swallow the tablets | 128 (50.2) | 0.95 | 0.64, 1.26 | < 0.001 |
| How stomach felt after taking tablets | 186 (72.9) | 0.92 | 0.57, 1.27 | < 0.001 |
| Taking a tablet every day | 132 (51.8) | 1.32 | 1.05, 1.6 | < 0.001 |
| How the tablet felt in hands | 180 (70.6) | 0.84 | 0.48, 1.2 | < 0.001 |
| Size of tablets | 99 (38.8) | 0.64 | 0.32, 0.95 | < 0.001 |
| Possible to use without partner knowledge | 176 (69.0) | 0.19 | − 0.17, 0.55 | 0.297 |
| Possible to use without family knowledge | 167 (65.5) | 0.17 | − 0.19, 0.53 | 0.358 |
aAdjusted for age, study site (South Africa vs. Kenya), and randomization sequence