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Multivariate logistic regression showing variables influencing the odds of using services or drugs and the choice of providers when being ill |
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| Using vs. not use services or drugs |
Providers vs. Self-treatment |
Public vs. private |
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| Explanatory variables |
OR (CI 95%) |
OR (CI 95%) |
OR (CI 95%) |
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| (N = 8380) |
(N = 8125) |
(N = 6123) |
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| R2: 0.085 |
R2: 0.036 |
R2:0.049 |
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| No of household members (continuous) |
1.07(0.98–1.16) |
1.05(0.01–1.11) |
0.98(0.88–1.07) |
| Perceived seriousness of illness |
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| Can work (reference category) |
1.00 |
1.00 |
1.00 |
| Miss work |
2.70(1.95–3.73) |
1.31(1.15–1.5) |
1.31(0.89–1.91) |
| Confine to bed |
4.55(3.0–6.98) |
1.85(1.59–2.16) |
3.11(2.23–4.35) |
| Male (reference group female) |
0.49(0.34–0.71) |
0.96(0.81–1.13) |
0.87(0.72–1.04) |
| Age group |
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| 15–60 (reference category) |
1.00 |
1.00 |
1.00 |
| Under 15 |
1.59(94–2.67) |
1.13(0.89–1.43) |
1.41(0.94–2.09) |
| Over 60 |
0.71(0.45–1.10) |
1.17(0.94–1.58) |
0.41(0.25–0.78) |
| Education level |
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| No schooling (reference category) |
1.00 |
1.00 |
1.00 |
| Only primary school |
2.10(1.29–3.42) |
1.22(0.94–1.58) |
0.80(0.50–1.28) |
| Higher education |
3.59(1.65–6.79) |
1.51(1.05–2.16) |
1.12(0.61–2.05) |
| Equalized household expenditure quintiles |
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| Poorest (reference category) |
1.00 |
1.00 |
1.00 |
| 2nd |
1.55(0.96–2.46) |
1.22(0.95–1.56) |
1.20(0.68–2.08) |
| 3rd |
1.67(1.02–2.72) |
1.31(1.02–1.66) |
1.34(0.79–2.23) |
| 4th |
1.66(1.11–2.83) |
2.51(1.92–3.28) |
1.89(1.11–3.23) |
| Richest |
4.78(2.42–8.43) |
2.77(2.10–3.66) |
2.09(1.22–3.32) |
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Adjusted standard errors for correlation between episodes for each person (corrections for clustering). See earlier the method section; bold represents significance. | |||
Thuan et al. BMC Health Services Research 2008 8:162 doi:10.1186/1472-6963-8-162 |
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