Table 2 Baseline characteristics of study population

Total

4,651,842 (100.0)

3,160,195 (100.0)

Demographics

 Sex

  Male

2,295,510 (49.3)

1,316,484 (41.7)

  Female

2,35,6332 (50.7)

1,843,711 (58.3)

Age group (years)

 18–29

976,719 (21.0)

551,873 (17.5)

 30–39

671,244 (14.4)

404,904 (12.8)

 40–49

766,654 (16.5)

469,505 (14.9)

 50–59

790,250 (17.0)

534,448 (16.9)

 60–69

662,241 (14.2)

505,644 (16.0)

 70–79

530,647 (11.4)

458,035 (14.5)

 80–89

209,894 (4.5)

194,278 (6.1)

 ≥ 90

44,193 (1.0)

41,508 (1.3)

Population density (thousands)

 < 1

866,063 (18.6)

574,100 (18.2)

 1–10

973,793 (20.9)

692,233 (21.9)

 10–100

1,227,477 (26.4)

867,630 (27.5)

 > 100

1,503,808 (32.3)

984,551 (31.2)

 Unknown

80,701 (1.7)

41,681 (1.3)

Socioeconomics

 Cohabitation

  Single

1,831,216 (39.4)

1,212,755 (38.4)

  Married

2,130,810 (45.8)

1,505,044 (47.6)

  Cohabitating

689,816 (14.8)

442,396 (14.0)

Origin

 Danish

4,040,678 (86.9)

2,807,452 (88.8)

 Descendant

533,733 (11.5)

306,040 (9.7)

 Immigrant

77,431 (1.7)

46,703 (1.5)

Years of education

 ≤ 10

1,208,988 (26.0)

875,085 (27.7)

 11–15

2,12,4689 (45.7)

1,443,455 (45.7)

 ≥ 16

1,139,886 (24.5)

755,614 (23.9)

 Unknown

178,279 (3.8)

86,041 (2.7)

Quintile of income

 1 (lowest)

709,194 (15.2)

443,465 (14.0)

 2

810,511 (17.4)

622,784 (19.7)

 3

923,454 (19.9)

656,784 (20.8)

 4

1,053,053 (22.6)

700,817 (22.2)

 5 (highest)

1,117,288 (24.0)

723,033 (22.9)

 Unknown

38,342 (0.8)

13,312 (0.4)

Morbidity

 Disease count

  0

2,428,321 (52.2)

1,221,788 (38.7)

  1

911,017 (19.6)

712,135 (22.5)

  2

509,114 (10.9)

452,630 (14.3)

  3

332,085 (7.1)

312,293 (9.9)

  4

210,925 (4.5)

204,226 (6.5)

  5

125,762 (2.7)

123,493 (3.9)

  ≥ 6

134,618 (2.9)

133,630 (4.2)