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. 2022 Feb 17;40(13):2020–2027. doi: 10.1016/j.vaccine.2022.02.033

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Fig. 2 — Marginal effect of brand treatment on intention (left), perceived effectiveness (centre), and perceived safety (right) across waves. Reference = Pfizer. Wave 1 = February 23-March 1, 2021 (N = 2,495); Wave 2 = March 17–23, 2021 (N = 2,511); Wave 3 = April 15–20, 2021 (N = 1,455). 95% confidence intervals. Regression estimates from equation (2) can be found in Table S4.