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. 2021 Sep 6;23(9):e29329. doi: 10.2196/29329

Table 1.

Distribution of vaccine hesitancy and vaccination rate by participant demographics and health-related characteristics.

Characteristics Participants (N=2531), n (%) Vaccine hesitancy Vaccination rate


Vaccine hesitancy, n (%) ORa (95% CI) P value Vaccination, n (%) OR (95% CI) P value
Age (years)

18-29 926 (36.6) 412 (44.5) 1
75 (8.1) 1

30-39 993 (39.2) 467 (47.0) 1.11 (0.93-1.33) .27 110 (11.1) 1.41 (1.04-1.92) .03

40-49 410 (16.2) 163 (39.8) 0.82 (0.65-1.04) .11 55 (13.4) 1.76 (1.22-2.54) .003

50-59 202 (8.0) 78 (39.6) 0.79 (0.58-1.07) .13 24 (11.9) 1.53 (0.94-2.49) .09
Gender

Male 1045 (41.3) 422 (40.4) 1
116 (11.1) 1

Female 1486 (58.7) 698 (47.0) 1.31 (1.11-1.53) .001 148 (10.0) 0.89 (0.69-1.15) .36
Marital status

Married 1660 (65.6) 725 (43.7) 1
187 (11.3) 1

Not married 871 (34.4) 395 (45.4) 1.07 (0.91-1.26) .42 77 (8.8) 0.76 (0.58-1.01) .06
Educational level

High school degree and below 204 (8.0) 83 (40.7) 1
9 (4.4) 1

Bachelor’s degree 1609 (63.6) 725 (45.1) 1.20 (0.89-1.61) .24 150 (9.3) 2.23 (1.12-4.43) .02

Master’s degree and above 718 (28.4) 312 (43.5) 1.12 (0.82-1.54) .48 105 (14.6) 3.71 (1.84-7.47) <.001
Occupation

Nonmedical personnel 2034 (80.4) 929 (45.7) 1
102 (5.0) 1

Medical personnel 497 (19.6) 191 (38.4) 0.74 (0.61-0.91) .004 162 (32.6) 9.16 (6.97-12.04) <.001
Region

Urban 2262 (89.4) 1016 (44.9) 1
242 (10.7) 1

Rural 269 (10.6) 104 (38.7) 0.77 (0.60-1.00) .05 22 (8.2) 0.74 (0.47-1.17) .20
Monthly salary (¥)b

<6000 1128 (44.6) 478 (42.5) 1
68 (6.0) 1

6000-10,000 787 (31.1) 338 (43.0) 1.02 (0.85-1.23) .83 100 (12.7) 2.27 (1.64-3.13) <.001

>10,000 616 (24.3) 303 (49.2) 1.31 (1.08-1.60) .007 96 (15.6) 2.88 (2.07-3.99) <.001
Family members with medical backgrounds

No 1475 (58.3) 667 (45.2) 1
88 (6.0) 1

Yes 1056 (41.7) 453 (42.9) 0.91 (0.78-1.06) .25 176 (16.7) 3.13 (2.28-4.17) <.001
Self-reported health

Good 2020 (79.8) 849 (42.0) 1
230 (11.4) 1

Poor 511 (20.2) 271 (53.0) 1.56 (1.28-1.89) <.001 34 (6.7) 0.55 (0.38-0.81) .002
Number of chronic diseases

0 1617 (63.9) 688 (42.3) 1
178 (11.0) 1

1 639 (25.4) 300 (47.0) 0.84 (0.70-1.01) .045 64 (10.0) 1.11 (0.82-1.50) .49

2 and above 288 (11.2) 136 (49.5) 1.13 (0.86-1.49) .49 22 (8.0) 0.78 (0.47-1.30) .34
Vaccine hesitancy

Yes 1120 (44.3) N/Ac N/A N/A 32 (2.9) 1

No 1411 (55.7) N/A N/A N/A 232 (16.4) 6.69 (4.58-9.77) <.001

aOR: odds ratio.

bA currency exchange rate of ¥1=US $0.15 is applicable.

cN/A: not applicable.