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. 2021 May 12;39(26):3473–3479. doi: 10.1016/j.vaccine.2021.05.026

Table 3.

Reasons for COVID-19 Vaccine Hesitancy by Sex and Age.

Reason for not getting a COVID-19 vaccine Overall % Males% Females % OR (95% CI)a Older Adolescents 16–17 years % Young Adults 18–21 years % OR (95% CI)b
Worried that vaccine is not safe 64.5 59.2 68.4 1.49 (0.87–2.57) 62.4 65.9 1.17 (0.68–2.02)
Do not know enough about the COVID-19 vaccine 60.6 49.0 69.2 2.34 (1.36–4.01) ** 60.2 60.9 1.03 (0.60–1.76)
Do not think it will work 23.4 21.4 24.8 1.21 (0.65–2.26) 22.6 23.9 1.08(0.58–2.01)
It might cost me money to get it 16.0 15.3 16.5 1.10 (0.54–2.24) 19.4 13.8 0.67(0.33–1.35)
Not concerned about getting COVID-19 15.2 23.5 9.0 0.32 (0.15–0.69) ** 14.0 15.9 1.17(0.56–2.45)
I do not get any vaccines 6.1 8.2 4.5 0.53 (0.18–1.58) 7.5 5.1 0.66 (0.22–1.94)
Other health conditions that prevent me from getting vaccines 4.3 5.1 3.8 0.73 (0.20–2.58) NR NR 6.42 (0.80–51.54)
I don’t know how to get it 4.3 5.1 3.8 0.73 (0.20–2.58) 4.3 4.4 1.01(0.28–3.69)
Do not have time 3.0 NR NR 0.98 (0.21–4.49) NR NR 4.18(0.50–35.32)
Had COVID-19 2.6 NR NR NR NR 0.67(0.13–3.38)
Religious reasons 2.2 NR NR 1.11 (0.18–6.76) NR NR 0.44 (0.07–2.69)
Other 12.6 10.2 14.3 1.47 (0.65–3.31) 11.8 13.0 1.12(0.50–2.49)
No response 7.4 12.2 3.8 0.28 (0.10–0.82) * 8.6 6.5 0.74(0.28–2.00)

Abbreviations: OR = odds ratio; CI = confidence interval; NR = not releasable.

* p < .05; ** p < .01; *** p < .00.

a

Males are the reference group.

b

Older adolescents are the reference group.