Table 1 Socio-demographic characteristics of the study population

From: Prevalence of erectile dysfunction among middle-aged men in a metropolitan area in Germany

Variables na %
Nationality (n=1915)
 German 1878 98
 Other 37 2
Age categories (n=1905)
 40–49 473 25
 50–59 474 25
 60–69 478 25
 70–79 480 25
Current marital status (n=1892)
 Single 209 11
 Married 1287 68
 Widowed 85 5
 Divorced 311 16
Partnership status (n=1746)
 No partner 271 15
 Female partner 1446 83
 Male partner 29 2
Sexual orientation (n=1888)
 Heterosexual 1812 96
 Homo/bisexual 76 4
Current occupational status (n=1608)
 Employed 737 46
 Not employed 871 54
Unemployed 180 18
Retired 634 64
Sick leave 179 18
School/training 4 0.2
Highest level of education (n=1781)
 No graduation 45 3
 Graduated 9th grade 554 31
 Graduated 10th grade 401 22
 Graduated 13th grade (high school) 211 12
 University degree 570 32
  1. aTotal ‘n’ vary due to missing information.