TABLE 1.
Acceptance and willingness to pay for COVID‐19 vaccine regarding study sites
| Characteristics | Hanoi (n = 478) | Ca Mau (n = 173) | Total (n = 651) | p‐Value | |||
|---|---|---|---|---|---|---|---|
| n (%) | 95% CI | n (%) | 95% CI | n (%) | 95% CI | ||
| Acceptance to COVID‐19 vaccine | |||||||
| Yes | 324 (67.8) | 63.2–71.6 | 69 (39.9) | 32.8–47.4 | 393 (60.4) | 56.5–64.1 | <0.001 |
| No | 154 (32.2) | 28.4–36.8 | 104 (60.1) | 52.6–67.2 | 258 (39.6) | 35.9–43.5 | |
| Willingness to pay for COVID‐19 vaccine | |||||||
| Yes | 385 (80.5) | 77.0–84.1 | 153 (88.4) | 82.7–92.4 | 538 (82.6) | 79.5–85.4 | 0.019 |
| No | 93 (19.5) | 15.9–23.0 | 20 (11.6) | 7.6–17.3 | 113 (17.4) | 14.6–20.5 | |
| Amount of willingness to pay | |||||||
| Mean (US$) | 16.2 | 13.3–19.0 | 12.4 | 11.1–13.7 | 15.2 | 13.1–17.3 | <0.001 |
| SD | 31.5 | 8.5 | 27.4 | ||||
| Median (US$) | 1.5 | 8.7 | 4.3 | ||||
| 25th quartile (US$) | 0.04 | 6.5 | 0.04 | ||||
| 75th quartile (US$) | 21.7 | 21.7 | 21.7 | ||||