Table 1

Demographic characteristics at the index date by lead exposure

CharacteristicLead unexposed (n=93 773)Lead exposed <50% probability (n=39 877)Lead exposed ≥50% probability (n=20 203)
n%n%n%
Sex
 Male48 30451.5731 49879.1613 70668.00
 Female45 36248.43829220.84645132.00
Age (years)
 <4511 33712.10486212.22224011.11
 45–5423 68625.2910 50626.40522425.92
 55–6437 83840.4016 41641.26852442.29
 65–7420 80522.21800620.12416920.68
Socioeconomic status*
 Academics and managers12 89413.7730037.5516168.02
 High-salary positions15 29616.33466411.721265313.16
 Low-salary positions17 76118.96644116.19343717.05
 Skilled workers25 45427.1814 97937.65748437.13
 Unskilled workers13 57514.49707017.77338316.78
 Unknown86869.2736339.1315847.86
Residence at diagnosis/index date
 Copenhagen960610.2633288.36233711.59
 Copenhagen suburbs22 22623.738858122.26600329.78
 Aarhus/Odense91669.7939399.9019659.75
 Provincial towns38 70341.3217 00142.73691334.30
 Rural areas13 66414.59655316.42284014.09
 Greenland810.09310.08260.13
 Unknown2200.231000.25730.36
Marital status
 Married64 61968.9926 12365.6512 96164.30
 Unmarried11 75512.55580514.59256512.73
 Divorced12 19313.02628115.79370318.37
 Widowed49185.2515393.878974.45
 Unknown1810.19420.11310.15
  • *SES for married subjects was based on the highest SES of the participant or spouse.