Table 5. Adjusted odds ratios and 95% confidence intervals for the effects of sociodemographic characteristics on knowledge of HIV, transmission knowledge, and prevention knowledge.
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| Characteristic | Never heard of HIV (n=7022) | Known routes of HIV transmission (0,1,2 vs. 3,4) | Known ways HIV can be prevented(0,1,2 vs. 3,4) |
| Age group (years) | |||
| 40-49 | 1.00 | 1.00 | 1.00 |
| 15-20 | 1.56 (1.03-2.36) | 0.58 (0.39-0.88) | 0.83 (0.43-1.60) |
| 21-29 | 0.57 (0.44-0.74) | 0.34 (0.23-0.49) | 0.37 (0.24-0.56) |
| 30-39 | 0.71 (0.59-0.85) | 0.47 (0.27-0.83) | 0.39 (0.20-0.73) |
| Sex | |||
| Female | 1.00 | 1.00 | 1.00 |
| Male | 0.76 (0.63-0.91) | 0.62 (0.49-0.80) | 0.61 (0.47-0.79) |
| Education (years) | |||
| 10+ | 1.00 | 1.00 | 1.00 |
| <7 | 6.96 (4.13-11.71) | 2.50 (1.31-4.78) | 2.45 (1.49-4.03) |
| 7-9 | 3.02 (1.90-4.78) | 1.60 (1.05-2.44) | 1.58 (1.08-2.32) |
| Occupation | |||
| Other (1) | 1.00 | 1.00 | 1.00 |
| Farmer | 2.70 (1.76-4.13) | 3.92 (2.89-5.31) | 3.53 (2.55-4.90) |
| Farm worker | 1.98 (1.25-3.15) | 2.03 (1.28-3.24) | 2.35 (1.06-5.22) |
| Annual income (Chinese yuan) | |||
| 3500+ | 1.00 | 1.00 | 1.00 |
| <1500 | 1.26 (0.81-1.95) | 1.58 (0.97-2.59) | 1.36 (0.86-2.14) |
| 1500-3499 | 1.87 (1.41-2.48) | 1.04 (0.75-1.44) | 0.71 (0.42-1.17) |
| How often TV watched | |||
| Never | 1.00 | 1.00 | 1.00 |
| Occasionally | 0.53 (0.38-0.73) | 0.81 (0.51-1.30) | 0.46 (0.22-0.96) |
| Often | 0.32 (0.22-0.49) | 0.59 (0.38-0.92) | 0.38 (0.17-0.81) |
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