Table 2. Unadjusted and adjusted odds ratios of carers over three time periods by demographic variables: Health Omnibus Survey: 1994, 2004, 2014.
| 1994 | 2004 | 2014 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| unadjusted | adjusted | unadjusted | adjusted | unadjusted | adjusted | ||||||||
| odds ratio | pval | odds ratio | pval | odds ratio | pval | odds ratio | pval | odds ratio | pval | odds ratio | pval | ||
| SEX | Male | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Female | 1.41 (0.90–2.20) | 0.131 | 1.01 (0.56–1.81) | 0.981 | 1.50 (1.04–2.17) | 0.030 | 1.31 (0.87–1.98) | 0.200 | 1.51 (1.06–2.15) | 0.022 | 1.43 (1.00–2.05) | 0.050 | |
| AGE GROUP | 18 to 49 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| 50 to 69 | 3.10 (1.97–4.88) | 0.000 | 2.08 (1.22–3.54) | 0.007 | 1.90 (1.30–2.77) | 0.001 | 1.48 (0.95–2.29) | 0.084 | 2.34 (1.60–3.44) | 0.000 | 1.82 (1.11–3.01) | 0.019 | |
| 70+ | 2.41 (1.18–4.91) | 0.016 | 1.74 (0.69–4.35) | 0.237 | 2.38 (1.52–3.71) | 0.000 | 1.73 (0.93–3.20) | 0.083 | 2.80 (1.73–4.55) | 0.000 | 1.73 (0.79–3.77) | 0.167 | |
| AREA | Metro. Adelaide | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| Country | 1.19 (0.69–2.05) | 0.521 | 1.07 (0.59–1.93) | 0.829 | 1.24 (0.89–1.71) | 0.197 | 1.13 (0.81–1.59) | 0.471 | 1.19 (0.77–1.84) | 0.427 | 1.14 (0.72–1.80) | 0.580 | |
| COUNTRY OF BIRTH | Australia | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
| UK/Ireland | 2.26 (1.35–3.78) | 0.002 | 1.89 (1.09–3.25) | 0.022 | 1.30 (0.75–2.25) | 0.350 | 1.04 (0.57–1.88) | 0.901 | 1.66 (1.06–2.60) | 0.027 | 1.25 (0.79–1.98) | 0.343 | |
| Other | 1.09 (0.59–2.02) | 0.793 | 0.90 (0.47–1.74) | 0.750 | 0.73 (0.42–1.27) | 0.263 | 0.66 (0.38–1.16) | 0.149 | 1.54 (0.96–2.46) | 0.073 | 1.82 (1.08–3.07) | 0.026 | |
| MARITAL STATUS # | |||||||||||||
| Married/defacto | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| Separated/Divorced | 1.01 (0.53–1.92) | 0.971 | 1.05 (0.53–2.05) | 0.893 | 0.88 (0.53–1.48) | 0.635 | 0.68 (0.39–1.19) | 0.176 | 1.12 (0.73–1.73) | 0.593 | 0.94 (0.56–1.58) | 0.819 | |
| Never married | 0.33 (0.16–0.69) | 0.003 | 0.62 (0.28–1.38) | 0.239 | 0.47 (0.26–0.85) | 0.012 | 0.59 (0.31–1.14) | 0.117 | 0.35 (0.22–0.54) | 0.000 | 0.47 (0.26–0.83) | 0.011 | |
| EDUCATIONAL ATTAINMENT | |||||||||||||
| Up to secondary | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| Trade qualifications, certificate, diploma | 1.33 (0.57–3.09) | 0.506 | 1.02 (0.61–1.69) | 0.953 | 1.62 (0.87–3.00) | 0.127 | 1.06 (0.71–1.60) | 0.766 | 1.52 (0.91–2.56) | 0.111 | 0.94 (0.67–1.32) | 0.704 | |
| Degree or higher | 1.49 (0.66–3.35) | 0.337 | 1.19 (0.48–3.00) | 0.706 | 1.86 (1.03–3.37) | 0.040 | 0.81 (0.43–1.53) | 0.512 | 1.70 (1.10–2.65) | 0.018 | 0.70 (0.42–1.17) | 0.169 | |
| WORK STATUS | |||||||||||||
| Employed full or part time | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| Home duties | 3.37 (1.96–5.82) | 0.000 | 2.19 (1.13–4.23) | 0.020 | 3.32 (1.99–5.54) | 0.000 | 2.34 (1.34–4.07) | 0.003 | 2.80 (1.50–5.21) | 0.002 | 1.88 (1.02–3.48) | 0.043 | |
| Retired | 2.71 (1.47–4.99) | 0.001 | 1.31 (0.58–2.96) | 0.511 | 2.50 (1.66–3.78) | 0.000 | 1.55 (0.92–2.61) | 0.096 | 2.70 (1.80–4.07) | 0.000 | 1.45 (0.84–2.50) | 0.176 | |
| HOUSEHOLD ANNUAL INCOME | |||||||||||||
| $40,000 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| $20-$40,000 | 1.72 (0.78–3.81) | 0.181 | 1.39 (0.57–3.36) | 0.465 | 1.82 (1.17–2.82) | 0.008 | 1.36 (0.82–2.25) | 0.234 | 3.44 (2.06–5.73) | 0.000 | 2.28 (1.29–4.02) | 0.005 | |
| < $20,000 | 3.14 (1.59–6.17) | 0.001 | 1.99 (0.83–4.80) | 0.124 | 2.35 (1.59–3.46) | 0.000 | 1.71 (0.98–2.98) | 0.060 | 2.03 (1.13–3.64) | 0.018 | 1.55 (0.82–2.94) | 0.174 | |
| SOCIAL DISADVANTAGE (SEIFA) | |||||||||||||
| Middle to highest | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||
| Lowest to low | 1.27 (0.81–2.02) | 0.299 | 1.06 (0.65–1.73) | 0.804 | 1.01 (0.74–1.39) | 0.928 | 0.88 (0.62–1.24) | 0.455 | 1.28 (0.90–1.81) | 0.161 | 1.20 (0.85–1.68) | 0.297 | |
# Widowed excluded