Table 3.
Year 2000 | Year 2006 | Year 2011 | Year 2014 | |||||
---|---|---|---|---|---|---|---|---|
Independent Variable | aOR | 95% CI | aOR | 95% CI | aOR | 95% CI | aOR | 95% CI |
Age group (years) | ||||||||
<20 | 1 | 1 | 1 | 1 | ||||
20–34 | 1.0 | [0.8, 1.2] | 1.1 | [0.9, 1.1] | 1.2 * | [1.1, 1.4] | 1.2 * | [1.1, 1.4] |
35–49 | 1.1 | [0.9, 1.4] | 0.9 | [0.7, 1.1] | 0.9 | [0.7, 1.1] | 0.9 | [0.8, 1.2] |
Marital status | ||||||||
Single | 1 | 1 | 1 | 1 | ||||
Currently married | 1.1 | [0.9, 1.3] | 0.8 *** | [0.6, 0.9] | 1.0 | [0.9, 1.2] | 1.0 | [0.9, 1.1] |
Area | ||||||||
Rural | 1 | 1 | 1 | 1 | ||||
Urban | 1.3 *** | [1.2, 1.5] | 1.4 *** | [1.2, 1.6] | 1.2 *** | [1.1, 1.4] | 1.0 | [0.9, 1.4] |
Ethnicity | ||||||||
Ethnic minority | 1 | 1 | 1 | 1 | ||||
Kinh/Hoa | 1.2 | [0.9, 1.5] | 0.8 * | [0.7, 0.9] | 1.2 * | [1.1, 1.4] | 1.2 | [0.9, 1.4] |
Education | ||||||||
Primary or less | 1 | 1 | 1 | 1 | ||||
Lower secondary | 2.1 *** | [1.8, 2.5] | 1.5 *** | [1.3, 1.7] | 2.0 *** | [1.8, 2.3] | 2.0 *** | [1.9, 2.7] |
Upper secondary and tertiary | 4.7 *** | [3.9, 5.6] | 2.3 *** | [2.0, 2.7] | 4.3 *** | [3.7, 5.0] | 4.4 *** | [4.6, 6.5] |
Socioeconomic status (quintile) | ||||||||
Poorest 20% | 1 | 1 | 1 | 1 | ||||
Near poor 20% | 1.6 *** | [1.3, 2.1] | 1.2 * | [1.1, 1.5] | 1.1 | [0.9, 1.3] | 1.4 *** | [1.2, 1.7] |
Middle 20% | 2.3 *** | [1.8, 3.0] | 1.2 * | [1.1, 1.5] | 1.1 | [0.9, 1.3] | 1.4 *** | [1.2, 1.7] |
Richer 20% | 2.8 *** | [2.2, 3.6] | 1.7 *** | [1.4, 2.1] | 1.2 | [0.9, 1.4] | 1.8 *** | [1.5, 2.2] |
Richest 20% | 3.1 *** | [2.4, 4.0] | 2.4 *** | [2.0, 3.0] | 1.8 *** | [1.7, 2.2] | 2.5 *** | [2.0, 3.2] |
Ever tested for HIV | ||||||||
No | 1 | 1 | 1 | 1 | ||||
Yes | 0.9 | [0.8, 1.2] | 1.9 *** | [1.6, 2.4] | 1.9 *** | [1.6, 2.1] | 2.0 *** | [1.7, 2.3] |
Knows where to be tested for HIV | ||||||||
No | 1 | 1 | 1 | 1 | ||||
Yes | 1.0 | [0.9, 1.2] | 2.3 *** | [2.1, 2.6] | 1.9 *** | [1.7, 2.1] | 2.0 *** | [1.8, 2.3] |
Note. aOR: adjusted odds ratio; CI: confidence interval; *, ***: significant at 0.05 and 0.001, respectively.