Table 1

Study population characteristics

Overall (n=29 573)Cases (n=13 300)Participation rate casesControls (n=16 273)Participation rate controlsData collection (between years)Organic dust exposure (between years)Source of controls
Sex
 Men23 837 (81%)10 810 (81%)13 027 (80%)
 Women5736 (19%)2490 (19%)3246 (20%)
Mean age (SD)62.4 (±9.0)62.3 (±8.9)62.4 (±9.0)
Smoking status
 Non-smoker5568 (19%)799 (6%)4759 (30%)
 Former smoker10 193 (34%)3827 (29%)6366 (39%)
 Smoker13 801 (47%)8670 (65%)5131 (32%)
 Unknown/missing21 (<1%)4 (<1%)17 (<1%)
Study
 AUT-Munich (Germany)6429 (22%)3180 (24%)77%3249 (20%)41%1990–19951931–1995Population
 EAGLE (Italy)4000 (14%)1917 (14%)87%2083 (13%)72%2002–20051931–2005Population
 HdA (Germany)2006 (7%)1004 (8%)69%1002 (6%)68%1988–19931926–1993Population
 INCO (Czech Rep.)756 (3%)304 (2%)94%452 (3%)80%1998–20021937–2002Hospital
 INCO (Hungary)696 (2%)391 (3%)90%305 (2%)100%1998–20011931–1999Hospital
 INCO (Poland)1628 (6%)793 (6%)88%835 (5%)88%1999–20021937–2001Hospital + population
 INCO (Romania)404 (1%)179 (1%)90%225 (1%)99%1998–20011936–2002Hospital
 INCO (Russia)1179 (4%)599 (5%)96%580 (4%)90%1998–20001932–2003Hospital
 INCO (Slovakia)630 (2%)345 (3%)90%285 (2%)84%1998–20021936–2002Hospital
 INCO (UK)1359 (5%)442 (3%)78%917 (6%)84%1998–20051933–2003Population
 LUCA (France)589 (2%)297 (2%)98%292 (2%)98%1989–19921927–1992Hospital
 LUCAS (Sweden)3321 (11%)1014 (8%)87%2307 (14%)85%1985–19901923–1990Population
 MONTREAL (Canada)2681 (9%)1176 (9%)85%1505 (9%)69%1996–20021935–2002Population
 MORGEN (Netherlands)251 (1%)64 (0.5%)NA187 (1%)NA1993–19971945–1997Population
 PARIS (France)396 (1%)169 (1%)95%227 (1%)95%1988–19921924–1992Hospital
 ROME (Italy)652 (2%)328 (3%)74%324 (2%)63%1993–19961926–1996Hospital
 TURIN/VENETO (Italy)2596 (9%)1098 (8%)79%1498 (9%)80%1990–19941922–1994Population