Table 1

Demographic characteristics of cases and controls at the index date

CharacteristicsControls
(n=182 600)
Cases
(n=1826)
n%n%
Male sex1 07 90059.09107959.09
Age (years)
 <4526 10014.2926114.29
 45–5445 70025.0345725.03
 55–6471 10038.9471138.94
 65–7439 70021.7439721.74
Socioeconomic status*
 Academics and managers19 91610.9121311.66
 High salary positions25 30213.8625113.75
 Low salary positions32 48017.7933618.40
 Skilled workers54 92930.0852228.59
 Unskilled workers28 29415.5028115.39
 Unknown21 67911.8722312.21
Residence at diagnosis/index date
 Copenhagen18 69310.2419910.90
 Copenhagen suburbs42 76223.4241422.67
 Aarhus/Odense18 0269.871679.15
 Provincial towns74 18240.6377942.66
 Rural areas27 44315.0324913.64
 Greenland5940.3380.44
 Unknown9000.49100.55
Marital status
 Married1 20 64966.07120666.05
 Unmarried27 30814.9626714.62
 Divorced25 68314.0726614.57
 Widowed89594.76874.91
 Unknown10.0000.00
  • *Where a spouse’s job title was available, socioeconomic status is based on the highest status of the study participant or his/her spouse.