Table 1.

Age, weeks of sickness and educational status. Data are shown as mean ± SD

	Young‐old (n = 10)	Old‐old (n = 12)	All (n = 22)
Age (years)
2009 (t1)	63.2 ± 1.5	69.0 ± 2.0	66.4 ± 3.4
2015 (t2)	69.1 ± 1.5	74.8 ± 2.3	72.2 ± 3.5
Weeks of sickness per year
2010 (n = 2 young‐old; n = 4 old‐old)	0.3 ± 0.7	0.6 ± 0.9	0.5 ± 0.8
2011 (n = 2 young‐old; n = 3 old‐old)	0.5 ± 1.1	0.4 ± 0.8	0.5 ± 0.9
2012 (n = 2 young‐old; n = 3 old‐old)	0.3 ± 0.7	0.4 ± 0.8	0.4 ± 0.7
2013 (n = 2 young‐old; n = 5 old‐old)	0.4 ± 1.0	1.6 ± 2.7	1.1 ± 2.2
2014 (n = 5 young‐old; n = 5 old‐old)	1.7 ± 2.2	1.4 ± 2.6	1.6 ± 2.4
Education (frequencies)
Compulsory school (9‐10 y)	1	4	5
Vocational school (10‐12 y)	7	4	11
Qual. for university entrance (12‐13 y)	0	4	4
University degree	2	0	2