Table A2.
Associations between COVID-19 vaccination intention and perception among respondents in groups of adult aged 18–59 and the elderly, (%, 95% CI)
| Items | Adults aged 18–59 |
The elderly aged 60 and above |
||||||
|---|---|---|---|---|---|---|---|---|
| Total sample (n = 3928) |
Willingness to accept COVID-19 vaccination |
Total sample (n = 3331) |
Willingness to accept COVID-19 vaccination |
|||||
| Yes (n = 3329) |
Unsure or no (n = 599) |
p-Valuea | Yes (n = 2634) |
Unsure or no (n = 697) |
p-Valuea | |||
| Complacency measures | ||||||||
| Perceived risk of COVID-19 infection | <0.001 | <0.001 | ||||||
| High | 30.50 (29.06, 31.94) | 31.90 (30.32, 33.48) | 22.70 (19.35, 26.06) | 23.78 (22.33, 25.22) | 26.88 (25.19, 28.57) | 12.05 (9.63, 14.47) | ||
| Fair or low | 69.50 (68.06, 70.94) | 68.10 (66.52, 69.68) | 77.30 (73.94, 80.65) | 76.22 (74.78, 77.67) | 73.12 (71.43, 74.81) | 87.95 (85.53, 90.37) | ||
| Perceived severity of COVID-19 diseases | <0.001 | <0.001 | ||||||
| High | 83.50 (82.34, 84.66) | 85.31 (84.11, 86.51) | 73.46 (69.92, 76.99) | 79.74 (78.37, 81.10) | 83.41 (81.99, 84.83) | 65.85 (62.33, 69.37) | ||
| Fair or low | 16.50 (15.34, 17.66) | 14.69 (13.49, 15.89) | 26.54 (23.01, 30.08) | 20.26 (18.90, 21.63) | 16.59 (15.17, 18.01) | 34.15 (30.63, 37.67) | ||
| Importance of COVID-19 vaccination for myself | <0.001 | <0.001 | ||||||
| Important | 86.05 (84.97, 87.13) | 92.25 (91.34, 93.16) | 51.59 (47.58, 55.59) | 79.41 (78.03, 80.78) | 89.41 (88.23, 90.58) | 41.61 (37.95, 45.27) | ||
| Fair or not important | 13.95 (12.87, 15.03) | 7.75 (6.84, 8.66) | 48.41 (44.41, 52.42) | 20.59 (19.22, 21.97) | 10.59 (9.42, 11.77) | 58.39 (54.73, 62.05) | ||
| Importance of COVID-19 vaccination for others (e.g. family, friends, neighbors, etc.) | <0.001 | <0.001 | ||||||
| Important | 87.63 (86.60, 88.66) | 93.30 (92.45, 94.15) | 56.09 (52.12, 60.07) | 81.15 (79.82, 82.48) | 90.51 (89.39, 91.63) | 45.77 (42.07, 49.47) | ||
| Fair or not important | 12.37 (11.34, 13.40) | 6.70 (5.85, 7.55) | 43.91 (39.93, 47.88) | 18.85 (17.52, 20.18) | 9.49 (8.37, 10.61) | 54.23 (50.53, 57.93) | ||
| Confidence measures | ||||||||
| Perceived safety of COVID-19 vaccines | <0.001 | <0.001 | ||||||
| Safe | 65.05 (63.56, 66.54) | 71.76 (70.23, 73.29) | 27.71 (24.13, 31.30) | 63.58 (61.95, 65.22) | 72.63 (70.92, 74.33) | 29.41 (26.03, 32.79) | ||
| Unsure or not safe | 34.95 (33.46, 36.44) | 28.24 (26.71, 29.77) | 72.29 (68.70 75.87) | 36.42 (34.78, 38.05) | 27.37 (25.67, 29.08) | 70.59 (67.21, 73.97) | ||
| Perceived effectiveness of COVID-19 vaccines | <0.001 | <0.001 | ||||||
| Effective | 68.30 (66.84, 69.76) | 75.22 (73.75, 76.68) | 29.88 (26.22, 33.55) | 65.51 (63.89, 67.12) | 74.98 (73.33, 76.64) | 29.7 (26.31, 33.09) | ||
| Unsure or not effective | 31.70 (30.24, 33.16) | 24.78 (23.32, 26.25) | 70.12 (66.45, 73.78) | 34.49 (32.88, 36.11) | 25.02 (23.36, 26.67) | 70.3 (66.91, 73.69) | ||
| Trust in health workers who providing vaccination information and suggestions | <0.001 | <0.001 | ||||||
| Trust | 90.17 (89.24, 91.10) | 94.23 (93.44, 95.02) | 67.61 (63.87, 71.36) | 84.93 (83.71, 86.14) | 92.37 (91.36, 93.38) | 56.81 (53.14, 60.49) | ||
| Fair or not trust | 9.83 (8.90 10.76) | 5.77 (4.98, 6.56) | 32.39 (28.64, 36.13) | 15.07 (13.86, 16.29) | 7.63 (6.62, 8.64) | 43.19 (39.51, 46.86) | ||
| Trust in governments on providing vaccination information and suggestions | <0.001 | <0.001 | ||||||
| Trust | 89.59 (88.63, 90.55) | 93.60 (92.77, 94.43) | 67.28 (63.52, 71.04) | 85.05 (83.84, 86.26) | 92.98 (92.00, 93.95) | 55.09 (51.4, 58.79) | ||
| Fair or not trust | 10.41 (9.45, 11.37) | 6.40 (5.57, 7.23) | 32.72 (28.96, 36.48) | 14.95 (13.74, 16.16) | 7.02 (6.05, 8.00) | 44.91 (41.21, 48.60) | ||
aUnivariable associations between COVID-19 vaccination intention and perception measures among respondents in two age groups, respectively, by Chi-square tests.