Table 4.
Willingness to Pay by Class
| Attribute | Unit change | Side effects-averse class USD (95% CI) | Ambivalent class USD (95% CI) | Cost-conscious class USD (95% CI) |
|---|---|---|---|---|
| Side effects | Decrease from severe to moderate or moderate to mild | 156.91 (145.66 to 168.16) | 48.83 (40.86 to 56.80) | 15.85 (13.96 to 17.77) |
| Injection frequency | Decrease from 6 to 3 months, or 3 to 2 months | 4.77 (2.92 to 6.63) | 34.88 (29.76 to 40.01) | 3.36 (2.56 to 4.17) |
| Service location | Change from pharmacy to private office or private office to sexual health clinic | −6.47 (−9.58 to −3.37) | 16.79 (10.02 to 23.55) | 4.91 (3.09 to 6.72) |
| Negative judgment | Decrease from high to medium or medium to low | 9.42 (6.19 to 12.65) | 52.39 (41.31 to 63.48) | 1.63 (−0.26 to 3.52) |
| Willing to pay × dollars to avoid one unit change in attribute level | ||||
CI, confidence interval; USD, US dollars.