Table 2.

Education in years (mean, standard deviation and median) by age, gender and education

Age, years		Education
		lowest		middle		highest
		men	women	men	women	men	women
30–39	mean	11	10	13	14	17	17
	SD	(1.8)	(1.3)	(2.3)	(2.1)	(2.5)	(2.3)
	median	11	10	12	13	17	17
40–49	mean	10	11	12	13	17	16
	SD	(1.0)	(1.9)	(1.8)	(2.1)	(2.9)	(3.0)
	median	9	10	12	13	16	16
50–54	mean	11	9	12	13	16	16
	SD	(2.2)	(1.5)	(2.2)	(2.0)	(3.4)	(3.2)
	median	10	9	12	13	17	15
55–59	mean	10	9	12	12	16	15
	SD	(1.8)	(1.8)	(2.1)	(2.1)	(3.5)	(3.0)
	median	9	9	12	12	16	15
60–64	mean	9	9	11	11	17	15
	SD	(2.1)	(1.4)	(2.0)	(2.1)	(4.0)	(3.5)
	median	8	9	11	11	16	15
65–69	mean	8	9	11	11	15	15
	SD	(1.2)	(1.8)	(2.3)	(2.6)	(3.2)	(3.0)
	median	8	8	11	10	15	15
70–74	mean	8	8	10	11	16	15
	SD	(1.9)	(1.9)	(2.1)	(2.4)	(3.8)	(3.7)
	median	8	8	10	11	17	15
>75	mean	7	7	11	10	14	12
	SD	(1.8)	(1.9)	(2.6)	(2.3)	(4.1)	(3.2)
	median	7	7	10	10	14	13

There was no information of education in years for 386 participants, out of whom roughly half were women, and education was divided into all three education levels almost equally. But for age, the group aged 30–39 had roughly double the size (31% of all) compared to the other groups.