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. 2013 Jul 4;8(7):e67768. doi: 10.1371/journal.pone.0067768

Table 1. Characteristics of participants at visit 1989/1990 by vital status on Dec 31st, 2008.

Status on 31-12-2008 Alive Dead P value
N (%) 1,087 (78.2) 284 (20.4)
Males 525 (48.3) 178 (62.7) <0.001
Age 49.4 (36.0 to 72.6) 61.9 (35.8 to 79.1) <0.001
Ever smokers 711 (65.4) 219 (77.1) <0.001
Packyears in ever smokers 17.2 (0.1–117.1) 27.1 (0.6–262.2) <0.001
FEV1, liters 2.96 (0.75) 2.48 (0.71) <0.001
FEV1, % predicted 94.6 (13.9) 84.3 (18.0) <0.001
Causes of death
COPD* 20 (7.0)
Cardiovascular disease* 107 (37.7)
External causes** 14 (4.9)

All variables are expressed as number (%) or mean (SD) or median (range) as appropriate.

*

Either primary or secondary cause of death, number (% of all deaths).

**

Suicides, homicides, traffic accidents etc.