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. 2022 Mar 10;10(3):425. doi: 10.3390/vaccines10030425

Figure 2.

Figure 2

Booster vaccine willingness by age and sex. Note: Bars reflect the estimated willingness to take a booster dose. Whiskers denote 95% confidence intervals. * p < 0.05, ** p < 0.01, *** p < 0.001. Stars reflect whether there is a statistically significant difference between the reference category (age: 18–29 yrs; sex: male) and each of the other categories. Robust standard errors. Top panels reflect estimates from the primary vaccination sample (30,653), whereas the bottom panels reflect estimates from the full sample (N = 31,721).