Skip to main content
. 2015 Nov 4;16:164. doi: 10.1186/s12875-015-0382-y

Table 1.

Characteristics of smokers with and without chronic obstructive pulmonary disease (COPD)

With COPD (n = 10) Without COPD (n = 10)
Female sex 40 (4) 40 (4)
Age, mean (SD) 60.0 (8.1) 62.6 (9.0)
Socioeconomic status [39]
Low 22 (2) 0
Moderate 68 (6) 60 (6)
High 11 (1) 40 (4)
GOLDa status (self-reported)
Mild 33 (3) n/a
Moderate 22 (2) n/a
Severe 11 (1) n/a
Very severe 0 n/a
I do not know 22 (2) n/a
Level of nicotine addiction [40]
Low 33 (3) 40 (4)
Medium 67 (6) 50 (5)
High 0 10 (1)
Motivation to quitb [41], mean (SD) 2.4 (1.3) 3.2 (1.9)

Data are presented as % (n) unless stated otherwise. Discrepancies between total numbers and numbers of added subcategories are due to missing values

aGOLD = Global Initiative for Chronic Obstructive Lung Disease

b1-7 = highest level of motivation