Table 3.
Random parameter logit modeling results, for each of the six models: by discrete choice experiment (DCE) group (women, men, and together as a couple) and by country
| Uganda | Zimbabwe | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Women | Men | Couple | Women | Men | Couple | |||||||
| Coef. | 95% CI | Coef. | 95% CI | Coef. | 95% CI | Coef. | 95% CI | Coef. | 95% CI | Coef. | 95% CI | |
| Dosage by form | ||||||||||||
| Oral tablet—use before sex | 0.43 | (0.02, 0.85) | 0.24 | (− 0.16, 0.64) | 0.42 | (− 0.09, 0.93) | 0.29 | (− 0.11, 0.70) | − 0.06 | (− 0.49, 0.37) | 0.00 | (− 0.41, 0.41) |
| Oral tablet—daily | − 0.14 | (− 0.50, 0.22) | − 0.98 | (− 1.42, − 0.55) | − 1.32 | (− 1.89, − 0.75) | − 0.25 | (− 0.66, 0.15) | − 0.40 | (− 0.83, 0.03) | − 0.30 | (− 0.72, 0.12) |
| Oral tablet—weekly | 0.49 | (0.03, 0.95) | 0.40 | (− 0.06, 0.85) | 0.65 | (0.13, 1.17) | 0.04 | (− 0.35, 0.44) | 0.52 | (0.07, 0.97) | 0.76 | (0.33, 1.20) |
| Oral tablet—monthly | 0.93 | (0.46, 1.40) | 1.38 | (0.85, 1.91) | 1.33 | (0.64, 2.02) | 0.73 | (0.26, 1.19) | 0.39 | (− 0.06, 0.83) | 0.63 | (0.21, 1.06) |
| Vaginal film/insert—use before sex | 0.25 | (− 0.18, 0.67) | 0.02 | (− 0.42, 0.46) | 0.36 | (− 0.15, 0.88) | − 0.54 | (− 0.97, − 0.10) | − 0.23 | (− 0.67, 0.21) | − 0.56 | (− 0.99, − 0.14) |
| Vaginal film /insert—daily | − 0.84 | (− 1.22, − 0.45) | − 1.03 | (− 1.46, − 0.60) | − 1.14 | (− 1.65, − 0.64) | − 0.64 | (− 1.02, − 0.26) | − 0.89 | (− 1.32, − 0.46) | − 0.74 | (− 1.13, − 0.36) |
| Vaginal film/insert—weekly | − 0.55 | (− 1.02, − 0.07) | − 0.39 | (− 0.85, 0.07) | 0.23 | (− 0.37, 0.83) | − 0.08 | (− 0.52, 0.35) | − 0.14 | (− 0.60, 0.33) | − 0.39 | (− 0.83, 0.05) |
| Vaginal film/insert—monthly | 0.54 | (0.13, 0.96) | 0.16 | (− 0.24, 0.57) | 0.08 | (− 0.42, 0.59) | 0.46 | (0.04, 0.88) | 0.45 | (0.00, 0.90) | 0.38 | (− 0.01, 0.78) |
| Vaginal ring—weekly | − 0.27 | (− 0.63, 0.10) | 0.06 | (− 0.33, 0.45) | − 0.52 | (− 1.00, − 0.03) | − 0.10 | (− 0.47, 0.27) | − 0.08 | (− 0.46, 0.31) | − 0.04 | (− 0.39, 0.31) |
| Vaginal ring—monthly | − 0.86 | (− 1.43, − 0.28) | 0.15 | (− 0.32, 0.62) | − 0.10 | (− 0.69, 0.49) | 0.09 | (− 0.39, 0.57) | 0.43 | (− 0.08, 0.95) | 0.26 | (− 0.22, 0.74) |
| Menstrual bleeding | ||||||||||||
| No changes to bleeding | 0.40 | (0.24, 0.55) | 0.54 | (0.38, 0.70) | 0.57 | (0.36, 0.78) | 0.54 | (0.36, 0.71) | 0.52 | (0.35, 0.70) | 0.57 | (0.41, 0.72) |
| Bleeding may be heavier | − 0.32 | (− 0.47, − 0.17) | − 0.46 | (− 0.62, − 0.30) | − 0.60 | (− 0.83, − 0.38) | − 0.44 | (− 0.61, − 0.28) | − 0.51 | (− 0.68, − 0.33) | − 0.50 | (− 0.67, − 0.33) |
| Spotting or bleeding between menses | − 0.07 | (− 0.24, 0.09) | − 0.08 | (− 0.23, 0.06) | 0.03 | (− 0.17, 0.23) | − 0.09 | (− 0.26, 0.08) | − 0.02 | (− 0.19, 0.15) | − 0.07 | (− 0.23, 0.09) |
| Stomach cramps/nausea | ||||||||||||
| Rarely | 0.38 | (0.27, 0.49) | 0.65 | (0.48, 0.81) | 0.62 | (0.43, 0.80) | 0.50 | (0.38, 0.62) | 0.61 | (0.46, 0.77) | 0.60 | (0.46, 0.75) |
| Frequently | − 0.38 | (− 0.49, − 0.27) | − 0.65 | (− 0.81, − 0.48) | − 0.62 | (− 0.80, − 0.43) | − 0.50 | (− 0.62, − 0.38) | − 0.61 | (− 0.77, − 0.46) | − 0.60 | (− 0.75, − 0.46) |
| Return to fertility | ||||||||||||
| Immediately | − 0.14 | (− 0.32, 0.04) | 0.22 | (0.03, 0.42) | − 0.01 | (− 0.23, 0.21) | 0.14 | (− 0.05, 0.33) | 0.13 | (− 0.06, 0.32) | 0.03 | (− 0.15, 0.21) |
| In 3 months | 0.06 | (− 0.09, 0.20) | 0.00 | (− 0.14, 0.15) | − 0.10 | (− 0.28, 0.08) | 0.21 | (0.06, 0.36) | − 0.05 | (− 0.20, 0.10) | 0.17 | (0.03, 0.31) |
| In 6 months | 0.09 | (− 0.08, 0.25) | − 0.23 | (− 0.41, − 0.04) | 0.11 | (− 0.10, 0.33) | − 0.35 | (− 0.54, − 0.16) | − 0.08 | (− 0.26, 0.09) | − 0.20 | (− 0.37, − 0.04) |
| Vaginal environment | ||||||||||||
| No changes to vagina | 0.18 | (0.03, 0.33) | 0.40 | (0.23, 0.58) | 0.42 | (0.21, 0.63) | 0.49 | (0.32, 0.65) | 0.54 | (0.36, 0.73) | 0.44 | (0.28, 0.59) |
| Vagina feels wetter | 0.58 | (0.39, 0.77) | 0.60 | (0.42, 0.78) | 0.91 | (0.65, 1.17) | − 0.35 | (− 0.51, − 0.19) | − 0.17 | (− 0.34, 0.00) | − 0.11 | (− 0.26, 0.05) |
| Vagina feels drier | − 0.76 | (− 0.97, − 0.55) | − 1.00 | (− 1.25, − 0.75) | − 1.33 | (− 1.68, − 0.98) | − 0.14 | (− 0.30, 0.03) | − 0.37 | (− 0.56, − 0.19) | − 0.33 | (− 0.50, − 0.16) |
Coefficients (Coef.) represent preference weight estimates