Table 2.

Sample of subjects participating in two health examinations, 10 years apart (panel study), in the Västerbotten Intervention Programme

	Sample size = 23,546
	Low education		Medium education		High education
Age	Males	Females	Males	Females	Males	Females
30	199	181	1,650	1,547	335	627
40	680	711	2,737	2,725	1,042	1,685
50	1,514	1,701	1,945	2,220	837	1,210

Note: Table is divided into sex, age at first examination, and education categories.