Research Article

Characteristics of COPD Patients Enrolled into Rehabilitation Programme in Copenhagen

Table 2

Sociodemographic characteristics of COPD patients from different group.

OutcomeRehabilitation group ( ) Comparison group ( )P value

Age*, mean (SD)70.5 (8.8)70.0 (12.4)0.56
Gender, percentage
 Male31.441.50.03
 Female68.658.5
Income**, percentage
 First quartile21.225.10.10
 Second quartile17.825.2
 Third quartile29.724.8
 Fourth quartile31.424.9
Wealth***, percentage
 First quartile21.225.10.002
 Second quartile18.625.2
 Third quartile20.325.2
 Fourth quartile39.824.5
Ethnicity, percentage
 Danish94.991.70.21
 Immigrant/descendent5.18.3
Civil status, percentage
 Single63.369.10.20
 Married/partnership36.430.9
Employment, percentage
 Working10.212.00.55
 Retired89.081.9
 Outside the workforce0.96.1
Education, percentage
 Primary/vocational76.375.5 <0.0001
 High school/higher  education22.09.9
 Not specified1.714.6

n: sample size; SD: standard deviation.
*For rehabilitation group in a year when rehabilitation took place, for comparison group in 2005; **personal net income per month; ***personal net economical values, like real estate, capital, shares, and so forth.
Notes: (1) quartiles were calculated on the basis of the data from the entire sample: ; (2) for employment and education, variables have been combined to make the chi-square tests valid: for employment, retired tested against not retired; for education, high school/higher education tested against not high school/higher education.