Table 2 Population characteristics unmatched and matched study group.

From: Asthma and COPD management of patients with intellectual disabilities in general practice

Characteristics unmatched study group

Persons intellectual disabilities and asthma (n = 157) n (%)

Persons asthma no intellectual disabilities (n = 15,319) n (%)

Persons intellectual disabilities and COPD (n = 71) n (%)

Persons COPD no intellectual disabilities (n = 9058) n (%)

Sex

 Male

69 (43.9%)

6394 (41.7%)

35 (49.3%)

4997 (55.2%)

 Female Unknown

88 (56.1%)

8924 (58.3%) 1 (0.0%)

36 (50.7%)

4061 (44.8%)

Age (years)

Statistical significance*** (comparison patients with and without intellectual disabilities in each age group)

Statistical significance*** (comparison patients with and without intellectual disabilities in each age group)

 18–34

80 (51.0%)

5139 (33.5%)

2 (2.8%)

50 (0.6%)

 35–49

53 (33.8%)

4719 (30.8%)

19 (26.8%)

892 (9.8%)

 50–64

20 (12.7%)

3561 (23.2%)

36 (50.7%)

3714 (41.0%)

≥65

4 (2.5%)

1900 (12.4%)

14 (19.7%)

4402 (48.6%)

Characteristics matched study group

Persons intellectual disabilities and asthma (n = 156) n (%)

Matched controls asthma no intellectual disabilities (n = 312) n (%)

Persons intellectual disabilities and COPD (n = 68) n (%)

Matched controls COPD no intellectual disabilities (n = 133) n (%)

Sex

 Male

69 (44.2%)

138 (44.2%)

34 (50.0%)

66 (49.6%)

 Female

87 (55.8%)

174 (55.8%)

34 (50.0%)

67 (50.4%)

Age (years)

18–34

80 (51.3%)

160 (51.3%)

0

0

 35–49

52 (33.3%)

104 (33.3%)

18 (26.5%)

33 (24.8%)

50–64

20 (12.8%)

40 (12.8%)

36 (52.9%)

72 (54.1%)

 ≥65

4 (2.6%)

8 (2.6%)

14 (20.6%)

28 (21.1%)

Smoking status

Statistical significance*** (comparison patients with and without intellectual disabilities in each category)

Statistical significance*** (comparison patients with and without intellectual disabilities in each category)

 Yes

38 (45.2%)

32 (22.1%)

36 (76.6%)

54 (51.4%)

 Never

25 (29.8%)

71 (49.0%)

2 (4.3%)

8 (7.6%)

 Stopped

21 (25.0%)

42 (29.0%)

9 (19.1%)

43 (41.0%)

 Missing information

72

167

21

28

Year of diagnosis

 <2010

93 (59.6%)

186 (59.6%)

26 (38.2%)

50 (37.6%)

 2010–2019

63 (40.4%)

126 (40.4%)

42 (61.8%)

83 (62.4%)

Years of follow-up during the study period

 <1 year

10 (6.4%)

18 (5.8%)

8 (11.8%)

19 (14.3%)

 1–4 years

46 (29.5%)

86 (27.6%)

23 (33.8%)

45 (33.8%)

 5–9 years

34 (21.8%)

66 (21.2%)

24 (35.3%)

39 (29.3%)

 10 years

66 (42.3%)

142 (45.5%)

13 (19.1%)

30 (22.6%)

Comorbidity

 Obesity

58 (53.2%)*

64 (39.5%)*

17 (32.7%)

26 (23.6%)

 Missing information

47

150

16

23

 Hypertension

27 (17,3%)

44 (14.1%)

23 (33.8%)

58 (43.6%)

 Ischaemic heart disease

7 (4.5%)

18 (5.8%)

8 (11.8%)

25 (18.8%)

 Heart failure

2 (1.3%)

4 (1.3%)

4 (5.9%)

17 (12.8%)

 Cerebrovascular accident

3 (1.9%)

4 (1.3%)

6 (8.8%)

9 (6.8%)

 Diabetes

23 (14.7%)*

26 (8.3%)*

12 (17.6%)

20 (15.0%)

 Anxiety/depression

54 (34.6%)**

68 (21.8%)**

26 (38.2%)

36 (27.1%)

 Osteoporosis

3 (1.9%)

6 (1.9%)

5 (7.4%)

17 (12.8%)

 Osteoarthritis

11 (7.1%)

24 (7.7%)

12 (17.5%)

28 (21.1%)

  1. *p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001.