Table 4 Number and percentage of Western Australian Aboriginal and non-Aboriginal adults aged 15 years or more with risk factors and comorbidities for invasive pneumococcal disease by geographical region, 1997–2007

Risk factors

   Smoker

188

(27.1)

50

(70.4)

29

(33.0)

13

(61.9)

16

(38.1)

52

(52.5)

   Ex-smoker

89

(19.5)

5

(9.8)

15

(20.0)

2

(12.5)

4

(11.1)

5

(4.8)

   Chemotherapy or steroid use

132

(18.0)

8

(10.5)

21

(22.1)

0

(0)

7

(14.0)

6

(4.4)

   Excessive alcohol use

87

(12.6)

48

(67.6)

18

(20.0)

17

(73.9)

9

(20.9)

72

(64.3)

   Any risk factor^a

381

(52.0)

69

(90.8)

61

(64.2)

19

(82.6)

26

(52.0)

94

(69.1)

Comorbidities

   Cardiovascular disease

256

(35.0)

24

(31.6)

31

(32.6)

6

(26.1)

15

(30.0)

44

(32.4)

   Chronic respiratory disease

222

(30.3)

22

(28.9)

27

(28.4)

4

(17.4)

15

(30.0)

30

(22.1)

   Hypertension

132

(28.8)

9

(17.0)

15

(19.2)

5

(29.4)

8

(22.9)

28

(26.7)

   Disease of digestive system^b

120

(25.9)

20

(37.7)

18

(23.4)

8

(47.1)

7

(19.4)

31

(28.7)

   Malignancy

158

(22.8)

2

(3.0)

27

(29.3)

0

(0)

10

(20.8)

2

(1.6)

   Diabetes

113

(16.2)

27

(37.5)

8

(8.5)

7

(31.8)

5

(10.0)

63

(48.1)

   Mental health condition

65

(13.9)

5

(9.4)

11

(14.1)

2

(11.8)

0

(0)

4

(3.7)

   Disease of nervous system

62

(13.4)

8

(15.1)

8

(10.3)

4

(23.5)

1

(2.8)

10

(9.3)

   Chronic renal failure

57

(8.3)

13

(18.6)

5

(5.4)

2

(9.1)

5

(10.0)

31

(25.0)

   Chronic liver failure/cirrhosis

43

(6.3)

20

(28.2)

4

(4.3)

6

(27.3)

1

(2.0)

19

(15.8)

   Congenital abnormality

13

(2.8)

4

(7.5)

3

(3.8)

0

(0.0)

1

(2.7)

2

(1.8)

   Asplenia

11

(2.4)

2

(3.8)

2

(2.6)

2

(11.1)

0

(0.0)

5

(4.8)

   Any comorbidities^a

508

(85.1)

59

(88.1)

66

(75.9)

14

(77.8)

30

(73.2)

89

(78.8)

Any risk factors or comorbidities^a

581

(91.6)

73

(100.0)

77

(87.5)

20

(95.2)

38

(86.4)

116

(93.5)