Viegi et al,22 2001
|
Po River Delta Epidemiologic Study, North Italy
|
1774
|
51
|
32
|
8
|
Chinn et al,12 2005
|
European Community Respiratory Health Survey II, 27 centers, 26 were in western Europe and one was in the USA
|
6654
|
51
|
34
|
9
|
Rijcken et al,13 1995
|
Vlagtwedde-Vlaardingen study in the Netherlands
|
1619
|
43
|
39
|
25
|
Jedrychowski et al,14 1986
|
Cracow Study in Cracow, Poland
|
1364
|
64
|
40
|
13
|
James et al,15 2005
|
Busselton Health Study in Busselton, Western Australia
|
9317
|
51
|
42
|
29
|
Tashkin et al,16 1984
|
UCLA Population Studies in Los Angeles County, USA
|
2401
|
54
|
46
|
5
|
Sherrill et al,17 1996
|
Tucson Epidemiology Study of Obstructive Lung Disease in Tucson, Arizona, USA
|
477
|
41
|
48
|
8
|
Connett et al,23 2003†
|
Lung Health Study, 10 centres, nine in the USA, one in Canada
|
5346
|
37
|
48
|
5
|
Xu et al,18 1992
|
Six Cities Study in the USA
|
12 080
|
55
|
49
|
6
|
Vestbo et al,19 1996
|
Copenhagen City Heart Study, Denmark
|
9435
|
57
|
53
|
5
|
Griffith et al,20 2001
|
Cardiovascular Health Study in the USA
|
5242
|
57
|
73
|
7
|