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Table 1 Description of overall study participants’ demographics, COVID-19 vaccination intention, and vaccine characteristics influencing vaccination acceptance and vaccine choice

From: COVID-19 vaccination intention and vaccine characteristics influencing vaccination acceptance: a global survey of 17 countries

 

Participants

n = 19,714

n (%)

Weighted prevalence

% (95 CI)

Socio demography

 Age group, years

  18–29

5233 (26.5)

38.4 (37.1–39.6)

  30–39

5524 (28.0)

25.4 (24.3–26.6)

  40–49

4070 (20.6)

16.3 (15.4–17.2)

  50–59

2751 (14.0)

12.0 (11.2–12.9)

  60 and above

2136 (10.8)

7.9 (7.3–8.5)

 Gender

  Male

9145 (46.4)

46.1 (44.8–47.4)

  Female

10,557 (53.6)

53.8 (52.5–55.1)

  Other

12 (0.1)

0.1 (0.1–0.2)

 Highest education level

  Secondary school and below

2630 (13.3)

12.0 (11.2–12.9)

  Certificate/A-Level/Diploma

4856 (24.6)

22.3 (21.2–23.4)

  Bachelor degree

7883 (40.0)

42.5 (41.2–43.8)

  Postgraduate degree

4345 (22.0)

23.2 (22.2–24.4)

 WHO regiona

  African

1086 (5.5)

1.3 (1.3–1.3)

  Eastern Mediterranean

4122 (20.9)

7.1 (7.1–7.1)

  European

2403 (12.2)

1.9 (1.9–1.9)

  Region of the Americas

968 (4.9)

8.5 (8.5–8.5)

  South-east Asia

3436 (17.4)

36.4 (36.4–36.4)

  Western Pacific

7699 (39.1)

44.8 (44.8–44.8)

 Ever delayed acceptance or refuse vaccine despite availability of vaccine service

  Yes

3812 (19.3)

18.0 (17.1–19)

  No

15,902 (80.7)

82.0 (81–82.9)

COVID-19 vaccine acceptance

 Extremely likely

8395 (42.6)

47.2 (45.9–48.4)

 Likely

8800 (44.6)

43.2 (41.9–44.5)

 Unlikely

1933 (9.8)

6.9 (6.3–7.4)

 Extremely unlikely

586 (3.0)

2.8 (2.5–3.1)

Vaccine characteristics influencing vaccination acceptance

 Required doses of COVID-19 vaccine

  Only accept single dose

8025 (40.7)

37.6 (36.4–38.8)

  Do not mind

11,689 (59.3)

62.4 (61.2–63.6)

 Effectiveness threshold of COVID-19 vaccine

  Only accept 90% threshold

12,625 (64.0)

59.7 (58.4–61.0)

  Do not mind

7089 (36.0)

40.3 (39.0–41.6)

 Adverse reactions of COVID-19 vaccine

  Only accept minor adverse reactions

14,002 (71.0)

74.5 (73.4–75.5)

  Do not mind moderate adverse reactions

5712 (29.0)

25.5 (24.5–26.6)

 Duration of COVID-19 vaccine protection

  Only accept no lesser than 12 months

11,452 (58.1)

53.3 (52.0–54.6)

  Do not mind

8262 (41.9)

46.7 (45.4–48.0)

 Technology used in COVID-19 vaccine

  Do not accept mRNA technology

4030 (20.4)

21.0 (20.0–22.0)

  Do not mind

6144 (31.2)

34.0 (32.7–35.2)

  Do not know much about mRNA technology

9540 (48.4)

45.1 (43.8–46.3)

 Producing country of COVID-19 vaccine

  Only accept a vaccine that is produced by specific countries

11,919 (60.5)

51.8 (50.5–53.1)

  Producing countries of a COVID-19 vaccine is not of my concern in vaccine acceptance

7795 (39.5)

48.2 (46.9–49.5)

First foremost important vaccine characteristics influencing COVID-19 vaccine choice

 Effectiveness threshold

7719 (39.2)

35.1 (30.1–40.5)

 Adverse reactions

6387 (32.4)

40.6 (33.2–48.4)

 Duration of protection

1748 (8.9)

8.7 (7.5–9.9)

 Administration doses

1423 (7.2)

7.2 (5.1–10.2)

 Country of origin

907 (4.6)

3.4 (1.9–5.8)

 Vaccination cost

861 (4.4)

2.5 (1.0–6.1)

 mRNA technology

639 (3.2)

2.5 (1.7–3.7)

Second important vaccine characteristics influencing COVID-19 vaccine choice

 Adverse reactions

5140 (26.1)

24.2 (17.8–31.9)

 Duration of protection

4630 (23.5)

29.0 (24.8–33.5)

 Effectiveness threshold

3729 (18.9)

22.5 (18.3–27.4)

 Country or origin

2907 (14.7)

9.3 (4.5–17.9)

 Cost of vaccination

1428 (7.2)

4.1 (1.7–9.6)

 Administration doses

1230 (6.2)

7.1 (6.0–8.3)

 mRNA technology

589 (3.0)

3.9 (3.3–4.6)

  1. aAfrican: South Africa; Eastern Mediterranean: Iran, Pakistan, Somalia, United Arab Emirates; European: Norway, United Kingdom; Region of the Americas: United States of America; South-East Asia: Bangladesh, India, Sri Lanka; Western Pacific: Australia. China, Japan, Malaysia, Singapore, Vietnam