Table 3 Associations between self-reported comorbidities and sleep apnoea

 Eczema

103 (7.4 %)

1395 (100.0 %)

1.5 (1.2, 1.9)

<0.001

1.6 (1.3, 2.0)

<0.001

 Asthma

194 (6.6 %)

2944 (100.0 %)

1.4 (1.2, 1.6)

<0.001

1.3 (1.0, 1.6)

0.011

 COPD or chronic bronchitis

72 (10.5 %)

683 (100.0 %)

2.3 (1.8, 3.0)

<0.001

1.6 (1.2, 2.1)

0.002

 Diabetes

87 (18.2 %)

477 (100.0 %)

4.4 (3.5, 5.7)

<0.001

2.4 (1.8, 3.2)

<0.001

 High cholesterol

220 (10.0 %)

2202 (100.0 %)

2.5 (2.1, 2.9)

<0.001

1.7 (1.4, 2.1)

<0.001

 High blood pressure

235 (10.7 %)

2197 (100.0 %)

2.7 (2.3, 3.2)

<0.001

1.6 (1.4, 2.0)

<0.001

 Heart attack

34 (21.7 %)

157 (100.0 %)

5.2 (3.5, 7.7)

<0.001

2.8 (1.8, 4.4)

<0.001

 Heart failure

23 (28.8 %)

80 (100.0 %)

7.6 (4.6, 124)

<0.001

4.5 (2.6, 8.0)

<0.001

 Angina

29 (17.8 %)

163 (100.0 %)

4.1 (2.7, 6.1)

<0.001

2.6 (1.6, 4.1)

<0.001

 Stroke

13 (15.1 %)

86 (100.0 %)

3.3 (1.8, 6.0)

<0.001

1.9 (0.9, 3.9)

0.096

 Depression

297 (11.3 %)

2629 (100.0 %)

3.2 (2.8, 3.8)

<0.001

2.7 (2.3, 3.2)

<0.001

 PTSD

63 (14.6 %)

433 (100.0 %)

3.3 (2.5, 4.4)

<0.001

2.6 (1.9, 3.5)

<0.001

 Other anxiety disorders

183 (11.7 %)

1567 (100.0 %)

2.9 (2.4, 3.5)

<0.001

2.7 (2.2, 3.3)

<0.001

 Schizophrenia

14 (14.9 %)

94 (100.0 %)

3.2 (1.8, 5.7)

<0.001

2.9 (1.5, 5.7)

0.002

 Cancer

34 (9.3 %)

366 (100.0 %)

1.9 (1.3, 2.8)

<0.001

1.4 (0.9, 1.2)

0.092

 Normal or underweight (up to 24.9)

81 (2.1 %)

3910 (100.0 %)

1.0

 Overweight (25.0–29.9)

224 (4.4 %)

5062 (100.0 %)

2.2 (1.7, 2.8)

<0.001

1.7 (1.4, 2.4)

<0.001

 Obese 1 (30.0–34.9)

167 (8.6 %)

1951 (100.0 %)

4.4 (3.4, 5.8)

<0.001

3.6 (2.7, 4.7)

<0.001

 Obese 2(35.0–39.9)

93 (15.4 %)

606 (100.0 %)

8.6 (6.3, 11.7)

<0.001

7.0 (5.1, 9.6)

<0.001

 Obese 3(> = 40)

58 (20.7 %)

280 (100.0 %)

12.4 (8.6, 17.8)

<0.001

10.3 (7.1, 14.9)

<0.001