Figure 2.

Evaluation of intervention classes. Colored bars represent unstandardized regression coefficients with a negative (red) or positive (blue) sign being different from zero (p < ·05) by experts (n = 307; light gray) and respondents from the general population (n = 599; dark gray), respectively (see Tables S2-S16 in the Supplementary Material for details on these regression analyses and extended analyses controlling for participants’ age and gender as well as experts’ profession, discipline, and participation history (i.e., if they provided data in both phases or just phase 2). *Based on a subsample of participants who have not yet received a booster vaccine at the time of the study (n = 144).