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Table 1 Demographic characteristics of the two groups at baseline (2002) and mortality during the follow-up period (up to 2015)

From: Mortality patterns and risk among older men and women with intellectual disability: a Swedish national retrospective cohort study

 

Individuals with intellectual disability (n = 15,289)

n (%)

Matched control population (n = 76,445)

n (%)

Sub-sample of individuals with DS (n = 942)

n (%)

Sub-sample of individuals with ID (DS excluded) (n = 14,347)

n (%)

All individuals with ID (n = 15,289)

n (%)

Sex

 Men

486 (51.6)

7844 (54.7)

8330 (54.5)

41,650 (54.5)

 Women

456 (48.4)

6503 (45.3)

6959 (45.5)

34,795 (45.5)

Age group in 2002

 42–44 year

88 (9.3)

1720 (12)

1808 (11.8)

9040 (11.8)

 45–54 year

440 (46.7)

6044 (42.1)

6484 (42.4)

32,420 (42.4)

 55–64 year

360 (38.2)

4182 (29.2)

4542 (29.7)

22,710 (29.7)

 65–74 year

50 (5.3)

1755 (12.2)

1805 (11.8)

9025 (11.8)

 75–79 year

1 (0.1)

401 (2.8)

402 (2.6)

2010 (2.6)

 80+ year

3 (0.3)

245 (1.7)

248 (1.6)

1240 (1.6)

Mean age at death (standard deviation)*

63.5 (5.4)

72.1 (9.4)

70.7 (9.5)

76.2 (10.3)

Average years of follow-up (standard deviation)*

9.4 (4.0)

12.7 (2.7)

12.5 (2.9)

13.5 (1.7)

Number of deaths during 2002–2015 (%)

761 (80.8)

3977 (27.7)

4738 (31.0)

8364 (10.9)

Total follow-up period in person-year*

8848

181,940

190,788

1,032,245

Mortality rate during 2002–2015 (per 100,000 people)*

8600

2186

2483

810

  1. *Mean age at death, mortality rate and total follow-up period differed significantly between the two groups (p < 0.001). The groups were matched by sex, birth year and year of first hospitalisation/access to LSS services