Table 1 Sample size, number of participants and participation rates in FINRISK surveys for 35 to 74‐year‐old men and women by study year and area.

Area	Year	Men			Women
		Sample size	Participants (n)	Participation rate, %	Sample size	Participants (n)	Participation rate, %
Eastern Finland	1972	4375	4003	92	4593	4292	93
	1977	4614	4115	89	4959	4563	92
	1982	2495	2001	80	2395	2059	86
	1987	2000	1621	81	2005	1750	87
	1992	1255	938	75	1237	1027	83
South Western Finland	1982	1502	1252	83	1513	1328	88
	1987	723	572	79	726	605	83
	1992	680	529	78	686	584	85
Southern Finland	1992	742	539	73	744	576	77
Total		18 386	15 570	85	18 858	16 784	89