Table 1 Socio-demographic characteristics of Aboriginal Australians with kidney disease in Central Australia compared with PerioCardio participants and other population estimates

Mean (SD) age*

48.11 (45.57, 50.65)^†

40.01 (38.87, 41.15)^†

44.84 (44.09, 45.59)

–

Sex¹

Female

60.8 (51.1, 70.4)^†

44.2 (38.7, 49.8)^†

50.3 (48.4, 52.1)

50.8

Male

39.2 (29.6, 48.9)^†

55.8 (50.2, 61.3)^†

49.7 (47.9, 51.6)

49.2

Highest school level completed¹

Nil/primary

30.3 (20.6, 40.1)^†

13.1 (9.2, 17.1)^†

2.3 (1.8, 2.8)^†

0.9

Years 8/9

32.6 (22.7, 42.5)

20.8 (16.1, 25.5)

6.9 (6.0, 7.8)^†

9.0

Years 10/11

22.5 (13.6, 31.3)^†

42.6 (36.8, 48.3)^†

30.8 (29.0, 32.7)

29.6

Year 12

14.6 (7.1, 22.1)^†

23.5 (18.6, 28.4)

60.0 (57.9, 62.1)^†

60.5

Post-school qualification¹

Nil/school only

74.7 (65.6, 83.8)^†

50.3 (44.6, 56.1)^†

36.8 (34.8, 38.8)^†

42.2

Trade/apprenticeship

3.3 (0.0, 7.0)^†

5.5 (2.9, 8.2)

14.1 (12.7, 15.4)^†

30.4^b

Certificate/diploma

18.7 (10.5, 26.8)^†

33.4 (28.0, 38.9)^†

12.4 (11.1,13.7)

University degree

3.3 (0.0, 7.0)^†

10.7 (7.1, 14.3)^†

36.8 (34.6, 38.9)^†

27.4

Employment status¹

CDEP**

3.2 (0.0, 6.9)

5.4 (2.7, 8.0)

–

–

Full-time

4.3 (0.1, 8.5)^†

42.3 (36.5, 48.1)^†

28.0 (11.4, 44.5)^†

42.4

Part-time

6.5 (1.4, 11.5)

6.1 (3.3, 8.9)

35.0 (18.2, 51.8)

21.9

Unemployed

52.7 (42.4, 63.0)^†

6.5 (3.6, 9.4)^†

37.0 (19.9, 54.2)^a

4.5

Not seeking work/retired/disability

33.3 (23.6, 43.1)

39.8 (34.0, 45.6)

31.2

Main source of income

Government benefits

87.2 (80.4, 94.1)^†

21.2 (16.4, 26.1)^†

29.7 (27.8, 31.5)

–

Wages/salary

6.4 (1.3, 11.4)^†

46.0 (40.1, 51.9)^†

68.3 (66.5, 70.1)

–

Student

-

1.1 (0.0, 2.3)

2.0 (1.3, 2.7)

–

Other

6.4 (1.3, 11.4)^†

31.7 (26.2, 37.2)^†

–

–

Smoking status²

Current

38.4 (27.9, 48.9)^†

66.1 (60.2, 72.1)^†

17.0 (15.5, 18.6)^†

15.1 (14.6, 15.7)^†

Former

12.8 (5.6, 20.0)^†

10.6 (6.7, 14.5)

29.2 (27.6, 30.7)^†

29.2 (28.5, 29.8)^†

Never

48.8 (38.1, 59.6)^†

23.3 (17.9, 28.6)^†

53.8 (51.9, 55.7)

55.7 (55.0, 56.4)

Chew tobacco

Yes

21.7 (13.2, 30.3)^†

5.3 (2.7, 7.9)^†

–

–

No

78.3 (69.7, 86.8)^†

94.7 (92.1, 97.3)^†

–

–

Standard alcohol drinks/week²

None

56.6 (45.2, 68.0)^†

36.4 (30.6, 42.2)^†

-

43.9 (43.2, 44.7)^†

1–7 drinks

27.6 (17.3, 37.9)

33.1 (27.5, 38.7)

–

38.9 (38.2, 39.6)

8–19 drinks

6.6 (0.9, 12.3)

11.0 (7.3, 14.8)

–

6.3 (6.0, 6.7)

20 or more

9.2 (2.6, 15.9)

19.5 (14.7, 24.2)

–

9.8 (9.4, 10.2)

Periodontal case status#

Non-case or mild

7.1 (1.0, 13.3)^†

12.6 (8.9, 16.3)

74.1 (72.3, 75.9)^†

–

Moderate

38.6 (26.9, 50.3)^†

60.6 (55.2, 66.1)^†

23.1 (21.5, 24.7)^†

–

Severe

54.3 (42.3, 66.2)^†

26.8 (21.8, 31.7)^†

2.8 (2.2, 3.4)^†

–