Table 1 Study population, invited and participants by study year, age group and sex
Age group | Sex | ||||||||
|---|---|---|---|---|---|---|---|---|---|
20-29y | 30-39y | 40-49y | 50-59y | 60-69y | Women | Men | All | ||
Study year 1996 | |||||||||
Invited | N | 1619 | 1721 | 1895 | 1694 | 1404 | 3982 | 4351 | 8333 |
Participated | n | 1317 | 1429 | 1616 | 1490 | 1252 | 3471 | 3633 | 7104 |
% | 81.3 | 83.0 | 85.3 | 88.0 | 89.2 | 87.2 | 83.5 | 85.3 | |
Study year 2006 | |||||||||
Invited | N | 1428 | 1514 | 1718 | 1820 | 1517 | 3843 | 4154 | 7997 |
Participated | n | 941 | 1080 | 1312 | 1510 | 1322 | 3135 | 3030 | 6165 |
% | 65.9 | 71.3 | 76.4 | 83.0 | 87.1 | 81.6 | 72.9 | 77.1 | |