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34. Ideally we would have liked to present those relationships the other way around, that is, to show, for instance, the percentage of national- and European-level voters, national-level voters and abstainers among different educational groups, but that would have made a much bigger and clumsier table.
35. For instance the gap in interest between national and European elections is 0.9 for abstainers, 1.0 for consistent voters, and 1.8 for national level voters.
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38. In separate specifications, we included an interaction term between political knowledge, interest and a sense of duty, as well as for corruption perception at the national and European level, respectively. Neither of these four interaction terms is either statistically significant or substantively relevant.