Table 2

Socio-demographic characteristics of the Aboriginal and the non-Aboriginal participants
Aboriginal participants Non-Aboriginal participants Odds ratio for Aboriginal vs non-Aboriginal participants
(n = 1939) (n = 259984)
% (n) % (n) Adjusted for age and sex, where appropriate
Sex
Male 43 (838) 46 (120735) 1.0
Female 57 (1101) 54 (139249) 1.1 (1.0–1.2)
Age
mean ± SD 57.9 ± 9.2^ 62.7 ± 11.1
45-49 19 (370) 11 (29876) 1.0
50-59 44 (862) 33 (86685) 0.8 (0.7–0.9)
60-69 24 (458) 28 (73696) 0.5 (0.4–0.6)
70-79 9 (184) 16 (42244) 0.4 (0.3–0.4)
80+ 3 (65) 11 (27483) 0.2 (0.1–0.3)
Highest qualification
None 29 (557) 11 (29796) 6.2 (5.3–7.3)
School/Intermediate/High School Certificate 28 (543) 32 (82797) 1.8 (1.5–2.0)
Trade/apprenticeship/certificate/diploma 26 (510) 32 (83071) 1.6 (1.4–1.8)
University degree or higher 14 (266) 23 (60631) 1.0
Marital status
Married/De facto/Living with partner 60 (1169) 75 (193742) 1.0
Single 13 (249) 6 (14628) 2.7 (2.3–3.1)
Widowed 7 (144) 9 (22320) 1.4 (1.1–1.8)
Divorced/Separated 18 (355) 11 (27811) 1.6 (1.3–1.9)
Work status
Full-time/Part-time paid work 34 (655) 31 (81282) 1.0
Looking after home/family 8 (153) 7 (18103) 1.4 (1.2–1.8)
Retired 22 (424) 36 (93653) 1.2 (1.0–1.5)
Disabled/sick 14 (262) 3 (9026) 4.6 (3.9–5.3)
Unemployed 5 (89) 1 (3815) 3.7 (2.9–4.6)
Other 17 (327) 20 (52122) 0.9 (0.8–1.1)
Household annual pre-tax income
<$20,000 31 (597) 19 (50629) 5.8 (5.0–6.9)
$20,000-$39,999 17 (327) 18 (45596) 2.7 (2.2–3.2)
$40,000-$69,999 14 (276) 18 (46300) 1.6 (1.3–1.9)
≥$70,000 14 (281) 24 (61983) 1.0
Health insurance
None 24 (458) 15 (39465) 1.0
Private (with or without extras) 28 (551) 54 (140261) 0.4 (0.3–0.4)
Health Care Card 43 (835) 27 (70567) 1.8 (1.6–2.0)
Department of Veteran Affairs Card 1 (17) 2 (4973) 0.8 (0.5–1.3)
Remoteness (ARIA+)
Major City 31 (598) 45 (117325) 1.0
Inner Regional 35 (685) 35 (91344) 1.4 (1.3–1.6)
Outer Regional 27 (519) 18 (46049) 2.1 (1.9–2.4)
Remote/Very Remote 7 (137) 2 (5065) 4.9 (4.1–5.9)
Index of relative social disadvantage (IRSD)
1st Quintile (most disadvantaged) 36 (706) 20 (52058) 5.7 (4.7–6.9)
2nd Quintile 23 (450) 20 (52986) 3.5 (2.9–4.3)
3rd Quintile 19 (366) 20 (52378) 2.9 (2.3–3.5)
4th Quintile 15 (293) 20 (50752) 2.3 (1.9–2.9)
5th Quintile (least disadvantaged) 6 (124) 20 (51594) 1.0

Percentages may not equal to 100 due to missing/invalid data.

^ Significantly different to non-Aboriginal group (P < 0.05, using Student’s t-test).

Gubhaju et al.

Gubhaju et al. BMC Public Health 2013 13:661   doi:10.1186/1471-2458-13-661

Open Data