|
Demographic profile of respondents by survey mode |
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| Telephone (n = 2999) |
Face-to-face (n = 2893) |
Face-to-face EWP (n = 2206) |
|
| % (95% CI) |
% (95% CI) |
% (95% CI) |
|
|
|
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| Sex |
|||
| Male |
49.0 (47.2–50.8) |
49.0 (47.2–50.8) |
48.3 (46.2–50.4) |
| Female |
51.0 (49.2–52.8) |
51.0 (49.2–52.8) |
51.7 (49.6–53.8) |
| Age group (years) |
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| 18 to 24 |
12.1 (11.0–13.3) |
12.0 (10.9–13.3) |
10.2 (9.0–11.5) |
| 25 to 34 |
17.2 (15.9–18.6) |
17.2 (15.9–18.7) |
15.4 (13.9–16.9) |
| 35 to 44 |
19.3 (17.9–20.8) |
19.3 (17.9–20.8) |
18.7 (17.1–20.4) |
| 45 to 54 |
18.2 (16.8–19.6) |
18.2 (16.8–19.6) |
17.9 (16.4–19.6) |
| 55 to 64 |
13.9 (12.7–15.2) |
13.9 (12.7–15.2) |
14.9 (13.5–16.5) |
| 65 to 74 |
9.8 (8.8–10.9) |
9.8 (8.8–10.9) |
11.7 (10.4–13.1) |
| 75+ |
9.5 (8.5–10.6) |
9.5 (8.5–10.6) |
11.2 (10.0–12.6) |
| Country of birth |
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| Australia |
77.9 (76.4–79.3) |
74.8 (73.2–76.3)* |
75.7 (73.9–77.4) |
| UK/Ireland |
11.1 (10.1–12.3) |
11.5 (10.4–12.7) |
11.6 (10.3–13.0) |
| Other |
11.0 (9.9–12.1) |
13.7 (12.5–15.0)* |
12.7 (11.4–14.1) |
| Marital status |
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| Married/de facto |
67.7 (66.0–69.3) |
66.1 (64.4–67.8) |
69.4 (67.4–71.3) |
| Separated/divorced/widowed |
13.4 (12.2–14.7) |
15.3 (14.0–16.7) |
14.5 (13.1–16.1) |
| Never married |
18.9 (17.5–20.3) |
18.5 (17.2–20.0) |
16.0 (14.6–17.6)* |
| Area of residence |
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| Metropolitan |
74.0 (72.4–75.6) |
72.8 (71.2–74.4) |
72.0 (70.1–73.8) |
| Country |
26.0 (24.4–27.6) |
27.2 (25.6–28.8) |
28.0 (26.2–29.9) |
| Highest education level |
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| Still at school |
1.6 (1.2–2.1) |
0.9 (0.6–1.3) |
0.9 (0.6–1.4) |
| Left school at age 15 or younger |
16.1 (14.9–17.5) |
12.2 (11.1–13.5)** |
12.9 (11.6–14.4)* |
| Left school after age 15 |
34.0 (32.3–35.7) |
32.0 (30.3–33.7) |
31.3 (29.4–33.3) |
| Trade/Apprenticeship |
12.2 (11.0–13.4) |
14.6 (13.3–15.9)* |
14.5 (13.1–16.0) |
| Certificate/Diploma |
18.3 (16.9–19.7) |
23.9 (22.4–25.5)** |
24.5 (22.7–26.3)** |
| Bachelor degree or higher |
17.8 (16.5–19.2) |
16.4 (15.1–17.8) |
15.9 (14.4–17.5) |
| Gross annual household income |
|||
| Up to $20,000 |
15.1 (13.9–16.5) |
17.8 (16.4–19.2)* |
17.3 (15.8–18.9) |
| $20,001 to $40,000 |
18.4 (17.0–19.8) |
18.0 (16.7–19.5) |
17.2 (15.6–18.8) |
| $40,001 to $60,000 |
18.3 (16.9–19.7) |
17.8 (16.5–19.3) |
17.6 (16.1–19.3) |
| More than $60,000 |
37.5 (35.7–39.2) |
34.7 (33.0–36.5) |
35.6 (33.6–37.6) |
| Not stated |
10.8 (9.7–11.9) |
11.6 (10.5–12.8) |
12.4 (11.1–13.8) |
| Employment status |
|||
| Full time employed |
41.8 (40.1–43.6) |
40.1 (38.3–41.9) |
39.2 (37.1–41.2) |
| Part time/casual employed |
18.6 (17.3–20.1) |
17.5 (16.1–18.9) |
17.3 (15.7–18.9) |
| Unemployed/unable to work |
5.6 (4.8–6.4) |
3.4 (2.8–4.2)** |
2.2 (1.7–2.9)** |
| Home duties |
9.1 (8.1–10.2) |
11.5 (10.4–12.7)* |
11.5 (10.3–12.9)* |
| Retired |
19.4 (18.0–20.9) |
20.5 (19.1–22.0) |
24.0 (22.2–25.8)** |
| Student |
4.5 (3.8–5.3) |
5.1 (4.3–5.9) |
4.6 (3.8–5.6) |
| Not stated |
1.0 (0.7–1.4) |
1.9 (1.5–2.5)* |
1.2 (0.8–1.8) |
| Occupation |
|||
| Manager/Administrator/Professional |
22.6 (21.1–24.1) |
19.6 (18.2–21.1)* |
20.6 (19.0–22.4) |
| Associate professional |
8.7 (7.7–9.7) |
7.2 (6.3–8.2) |
7.1 (6.1–8.2) |
| Tradesperson/Advanced clerical or service |
16.1 (14.8–17.4) |
21.2 (19.8–22.7)** |
21.6 (19.9–23.3)** |
| Intermediate clerical/service/sales/production/transport |
23.9 (22.4–25.5) |
23.9 (22.4–25.5) |
23.9 (22.1–25.7) |
| Elementary clerical, sales, service/labourer |
20.2 (18.8–21.7) |
19.5 (18.1–20.9) |
18.2 (16.7–19.9) |
| Not stated/Home duties/Student/Never worked |
8.5 (7.6–9.6) |
8.6 (7.6–9.7) |
8.7 (7.6–9.9) |
|
* p < 0.01 ** p < 0.001 Statistically significantly different from telephone survey | |||
Chittleborough et al. BMC Medical Research Methodology 2008 8:54 doi:10.1186/1471-2288-8-54 |
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