Table 1.

Descriptive data of the respondents in the study

	All	Denmark	Norway	Sweden
Mean age [range]	48.6 years [18–99 years]	50.5 years [18–89 years]	47.2 years [18–87 years]	48.2 years [18–99 years]
Proportion of females	52.6%	53.6%	51.5%	52.6%
Proportion not having higher education a	31.3%	22.8%	29.8%	38.4%
Proportion not living in a NUTS 2 where capital city is located	76.8%	68.6%	86.4%	75.8%
Total (n)	2668	783	789	1096

^aQuestion about education was only answered by 2616 respondents