Table 1

Number and participation rate according to age and gender in The Oslo Health Study in 2000–2001


Number of participants *
Participation rate (%)

Age (yrs)
Men
Women
All
Men
Women
All
30
1826
2288
4114
32.2
39.9
36.1
40
1547
1905
3452
37.6
50.1
43.7
45
1389
1757
3146
39.9
53.5
46.5
59–60
2117
2357
4474
53.4
57.3
55.4
75–76
1525
2059
3584
58.2
50.0
53.2
All
8404
10366
18770
42.4
49.3
45.9

* Number attending the survey and/or submitting at least one of the questionnaires.

Søgaard et al. International Journal for Equity in Health 2004 3:3   doi:10.1186/1475-9276-3-3