almost significantp = 0.066
However, the relationship between these variables and vaccine hesitancy was partially mediated by the use of information sources: in particular, there was a significant, though small, indirect effect of being aged 18–34 and higher social media use (std b = 0.026, p = 0.032), an almost significant indirect effect of being aged 45–54 and a lower use of institutional websites (std b = 0.016, p = 0.066), and an almost significant and indirect effect of high income and a higher use of institutional websites (std b = −0.012, p = 0.077).