Table 2.
Demographics of individuals based on their vaccination intention prior to vaccine approval.
| Strongly agree (n = 538) | Agree (n = 1,360) | Neutral (n = 1,353) | Disagree (n = 422) | Strongly disagree (n = 197) | p valuea | |
|---|---|---|---|---|---|---|
| Female, n (%) | 208 (38.7) | 600 (44.1) | 729 (53.9) | 227 (53.8) | 107 (54.3) | <0.001b |
| Age, years | 55 (21–79) | 55 (20–79) | 50 (20–79) | 51 (20–79) | 48 (20–78) | <0.001c |
| Area | 0.195b | |||||
| Hokkaido, n (%) | 26 (4.8) | 61 (4.5) | 66 (4.9) | 20 (4.7) | 11 (5.6) | |
| Tohoku, n (%) | 36 (6.7) | 81 (6.0) | 57 (4.2) | 15 (3.6) | 7 (3.6) | |
| Kanto, n (%) | 227 (42.2) | 544 (40.0) | 488 (36.1) | 154 (36.5) | 76 (38.6) | |
| Chubu, n (%) | 72 (13.4) | 225 (16.5) | 236 (17.4) | 78 (18.5) | 26 (13.2) | |
| Kinki, n (%) | 102 (19.0) | 242 (17.8) | 284 (21.0) | 91 (21.6) | 43 (21.8) | |
| Chugoku, n (%) | 21 (3.9) | 65 (4.8) | 67 (5.0) | 24 (5.7) | 13 (6.6) | |
| Shikoku, n (%) | 11 (2.0) | 36 (2.7) | 45 (3.3) | 10 (2.4) | 8 (4.1) | |
| Kyusyu, n (%) | 43 (8.0) | 106 (7.8) | 110 (8.1) | 30 (7.1) | 13 (6.6) | |
| Married, n (%) | 372 (69.1) | 922 (67.8) | 827 (61.1) | 247 (58.5) | 115 (58.4) | <0.001b |
| Children, n (%) | 357 (66.4) | 883 (64.9) | 770 (56.9) | 231 (54.7) | 93 (47.2) | <0.001b |
| Household income | 0.001b | |||||
| <¥4 million, n (%) | 137 (25.5) | 349 (25.7) | 377 (27.9) | 121 (28.7) | 67 (34.0) | |
| ≥¥4 million, n (%) | 304 (56.5) | 744 (54.7) | 655 (48.4) | 208 (49.3) | 83 (42.1) | |
| Unknown, n (%) | 97 (18.0) | 267 (19.6) | 321 (23.7) | 93 (22.0) | 47 (23.9) | |
| Educational background | 0.934b | |||||
| High school | 158 (29.4) | 411 (30.2) | 415 (30.7) | 132 (31.3) | 56 (28.4) | |
| Higher education | 380 (70.6) | 949 (69.8) | 938 (69.3) | 290 (68.7) | 141 (71.6) | |
| Body mass index >25 (kg/m2) | 125 (23.2) | 287 (21.1) | 276 (20.4) | 68 (16.1) | 37 (18.8) | 0.087b |
| Diseases under treatment | 260 (48.3) | 576 (42.4) | 451 (33.3) | 150 (35.6) | 58 (29.4) | <0.001b |
| Smoking, Yes | 95 (17.7) | 237 (17.4) | 234 (17.3) | 55 (13.0) | 28 (14.2) | 0.189b |
a
Significance level (p-value) was set at 0.05.
b
Values are presented as number (percentage) and compared using the chi-squared test.
c
Values are presented as median (range) and compared using the Kruskal-Wallis test.