“…The within-countries disparities have among others been related to demographic, social, or economic differences [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] . Various approaches, based on aggregated data, [13] , [17] on individual data from surveys, [15] , [20] or on individual data from health registers, [10] , [12] , [14] , [18] , [19] generally lead towards the same conclusions that lower socio-economic statuses and specific demographic situations (young age groups, people with a migration background) are associated with lower COVID-19 vaccine uptake. Despite these robust general patterns, there remains uncertainty about the importance and interplay of specific demographic and socio-economic factors.…”