Table 1. Characteristics of study population at index date
Patients in AAS practices, n (%)Patients in references practices, n (%)
N (%)161 901 (36.0)287 837 (64.0)
Clinic size, mean (SD)4906 (1902.2)4361 (1606.0)
Mean age, years (SD)41.52 (23.49)41.76 (23.54)
Sex
Male82 671 (51.1)145 101 (50.4)
Female79 230 (48.9)142 736 (49.6)
Education level
≤10 years46 178 (28.5)80 727 (28.1)
>10 and ≤15 years61 117 (37.8)109 013 (37.9)
>15 years25 825 (16.0)46 523 (16.2)
Unknown28 781 (17.7)51 575 (17.8)
Cohabitation status
Cohabiting80 398 (49.7)142 777 (49.6)
Living alone34 067 (21.0)61 032 (21.2)
Children living at home32 078 (19.8)57 327 (19.9)
Children not living at home15 358 (9.5)26 701 (9.3)
Family income
Low55 095 (34.0)93 870 (32.6)
Medium54 032 (33.4)95 464 (33.2)
High52 774 (32.6)98 503 (34.2)
Ethnic group
Danish146 473 (90.5)262 050 (91.0)
Immigrant12 146 (7.5)20 485 (7.1)
Descendants of immigrants3282 (2.0)5302 (1.9)
Calendar time
January 2011–December 201554 282 (33.5)98 532 (34.2)
January 2016–December 201661 822 (38.2)106 132 (36.9)
January 2017–December 201745 797 (28.3)83 173 (28.9)
Number of chronic conditions
0127 580 (78.8)226 628 (78.7)
1–227 787 (17.2)49 416 (17.2)
≥36534 (4.0)11 793 (4.1)
  • AAS
    advanced access scheduling
    SD
    standard deviation