Table I.

Participation by age and gender: the SAMINOR 2 questionnaire study (n=11,600)

	Age (years)	Sample	Participants	%
Males	18–19	966	100	10.4
	20–29	3,987	426	10.7
	30–39	3,778	680	18.0
	40–49	4,876	1,096	22.5
	50–59	4,592	1,339	29.2
	60–69	4,366	1,508	34.5
	Total men	22,565	5,149	22.8
Females	18–19	844	173	20.5
	20–29	3,610	785	21.8
	30–39	3,586	965	26.9
	40–49	4,586	1,548	33.8
	50–59	4,236	1,594	37.6
	60–69	3,818	1,386	36.3
	Total women	20,680	6,451	31.2
All		43,245	11,600	26.8