|
Unadjusted numbers, proportions and relative risks adjusted for current age for variables associated with having missing data for father's highest education level, by survey mode |
|||||||||
| Telephone (n = 2999) |
Face-to-face (n = 2893) |
Face-to-face EWP (n = 2206) |
|||||||
| Unadjusted |
Adjusted |
Unadjusted |
Adjusted |
Unadjusted |
Adjusted |
||||
| n |
% |
(RR, 95% CI) |
n |
% |
(RR, 95% CI) |
n |
% |
(RR, 95% CI) |
|
|
|
|||||||||
| Sex |
|||||||||
| Male |
268 |
18.3 |
(1.00) |
190 |
13.4 |
(1.00) |
154 |
14.4 |
(1.00) |
| Female |
319 |
20.9 |
(1.11, 0.96–1.28) |
206 |
14.0 |
(1.00, 0.82–1.21) |
157 |
13.8 |
(0.93, 0.74–1.16) |
| Country of birth |
|||||||||
| Australia |
421 |
18.0 |
(1.00) |
273 |
12.6 |
(1.00) |
215 |
12.9 |
(1.00) |
| UK/Ireland |
103 |
30.7 |
(1.33, 1.11–1.58)* |
70 |
21.0 |
(1.36, 1.06–1.74) |
57 |
22.2 |
(1.40, 1.07–1.83) |
| Other |
64 |
19.6 |
(0.91, 0.72–1.16) |
54 |
13.6 |
(0.92, 0.68–1.24) |
39 |
14.1 |
(0.91, 0.64–1.31) |
| Marital status |
|||||||||
| Married/de facto |
399 |
19.6 |
(1.00) |
239 |
12.5 |
(1.00) |
201 |
13.1 |
(1.00) |
| Separated/divorced/widowed |
126 |
31.3 |
(1.25, 1.07–1.46)* |
97 |
21.9 |
(1.37, 1.12–1.67)* |
68 |
21.1 |
(1.24, 0.99–1.56) |
| Never married |
62 |
11.0 |
(0.85, 0.62–1.18) |
60 |
11.3 |
(1.43, 0.99–2.07) |
43 |
12.1 |
(1.59, 1.03–2.46) |
| Area of residence |
|||||||||
| Metropolitan |
422 |
19.0 |
(1.00) |
282 |
13.4 |
(1.00) |
215 |
13.6 |
(1.00) |
| Country |
166 |
21.3 |
(1.06, 0.91–1.24) |
115 |
14.6 |
(1.05, 0.84–1.33) |
96 |
15.5 |
(1.11, 0.86–1.44) |
| Highest education level |
|||||||||
| Bachelor degree or higher |
33 |
6.1 |
(1.00) |
9 |
2.0 |
(1.00) |
6 |
1.8 |
(1.00) |
| Certificate/Diploma |
92 |
16.7 |
(2.48, 1.69–3.62)** |
68 |
9.9 |
(4.73, 2.40–9.34)** |
51 |
9.5 |
(4.97, 2.24–11.03)** |
| Trade/Apprenticeship |
67 |
18.5 |
(2.66, 1.78–3.96)** |
51 |
12.1 |
(5.51, 2.72–11.14)** |
45 |
14.1 |
(6.69, 2.93–15.26)** |
| Left school after age 15 |
215 |
21.1 |
(3.31, 2.33–4.70)** |
153 |
16.6 |
(7.97, 4.12–15.43)** |
116 |
16.8 |
(8.64, 3.95–18.87)** |
| Left school at age 15 or younger |
177 |
36.6 |
(4.05, 2.81–5.84)** |
114 |
32.4 |
(11.84, 6.01–23.30)** |
93 |
32.6 |
(12.67, 5.68–28.28)** |
| Still at school |
3 |
6.9 |
(-) |
0 |
0.0 |
(-) |
0 |
0.0 |
(-) |
| Gross annual household income |
|||||||||
| More than $60,000 |
126 |
11.2 |
(1.00) |
50 |
5.0 |
(1.00) |
39 |
5.0 |
(1.00) |
| $40,001 to $60,000 |
86 |
15.7 |
(1.33, 1.01–1.74) |
52 |
10.1 |
(2.01, 1.27–3.17)* |
44 |
11.4 |
(2.23, 1.32–3.77)* |
| $20,001 to $40,000 |
123 |
22.3 |
(1.58, 1.23–2.04)** |
83 |
16.0 |
(2.87, 1.90–4.35)** |
63 |
16.5 |
(2.84, 1.72–4.68)** |
| Up to $20,000 |
154 |
33.9 |
(2.10, 1.63–2.70)** |
134 |
26.0 |
(4.16, 2.77–6.26)** |
100 |
26.4 |
(3.97, 2.43–6.50)** |
| Not stated |
99 |
30.7 |
(2.43, 1.86–3.16)** |
77 |
23.0 |
(4.20, 2.76–6.40)** |
65 |
23.9 |
(4.27, 2.61–6.99)** |
| Employment status |
|||||||||
| Full time employed |
158 |
12.6 |
(1.00) |
89 |
7.7 |
(1.00) |
63 |
7.3 |
(1.00) |
| Part time/casual employed |
96 |
17.1 |
(1.35, 1.05–1.74) |
38 |
7.4 |
(0.95, 0.64–1.42) |
29 |
7.6 |
(1.01, 0.62–1.63) |
| Unemployed/unable to work |
45 |
27.1 |
(2.11, 1.57–2.83)** |
21 |
21.3 |
(3.08, 1.81–5.26)** |
11 |
23.0 |
(3.38, 1.70–6.71)* |
| Home duties |
69 |
25.2 |
(1.73, 1.31–2.28)** |
69 |
20.8 |
(2.45, 1.72–3.49)** |
52 |
20.5 |
(2.42, 1.60–3.73)** |
| Retired |
208 |
35.7 |
(1.95, 1.50–2.53)** |
147 |
24.8 |
(2.40, 1.56–3.69)** |
131 |
24.8 |
(2.38, 1.41–4.00)* |
| Student |
11 |
8.1 |
(0.83, 0.36–1.93) |
15 |
9.9 |
(1.61, 0.71–3.65) |
15 |
14.4 |
(2.49, 1.11–5.58) |
| Not stated |
2 |
5.8 |
(-) |
18 |
31.8 |
(3.58, 2.29–5.62)** |
10 |
35.2 |
(4.01, 2.21–7.26)** |
| Occupation |
|||||||||
| Manager/Administrator/Professional |
79 |
11.7 |
(1.00) |
34 |
6.0 |
(1.00) |
28 |
6.2 |
(1.00) |
| Associate professional |
42 |
16.1 |
(1.42, 1.01–1.99) |
20 |
9.6 |
(1.59, 0.95–2.66) |
18 |
11.4 |
(1.68, 0.98–2.91) |
| Tradesperson/Advanced clerical or service |
109 |
22.6 |
(1.86, 1.43–2.41)** |
86 |
14.0 |
(2.21, 1.49–3.27)** |
70 |
14.7 |
(2.12, 1.38–3.27)* |
| Intermediate clerical/service/sales/production/transport |
144 |
20.0 |
(1.81, 1.41–2.33)** |
100 |
14.4 |
(2.42, 1.66–3.54)** |
76 |
14.4 |
(2.27, 1.50–3.44)** |
| Elementary clerical, sales, service/labourer |
157 |
25.8 |
(2.40, 1.87–3.08)** |
106 |
18.7 |
(3.18, 2.17–4.65)** |
76 |
18.9 |
(2.88, 1.88–4.42)** |
| Not stated/Home duties/Student/Never worked |
57 |
22.5 |
(1.86, 1.38–2.52)** |
51 |
20.6 |
(3.15, 2.06–4.81)** |
143 |
22.5 |
(3.09, 1.95–4.91)** |
|
* p < 0.01 ** p < 0.001 | |||||||||
Chittleborough et al. BMC Medical Research Methodology 2008 8:54 doi:10.1186/1471-2288-8-54 |
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