Table 1 Comparison of highlander and ethnic Thai HPS II respondents. Results for tests of different means (t-tests) and proportions (X2 tests) indicated as: ***p < 0.001, **p < 0.01, *p < 0.05
| Â | Highlander | Thai | Â |
|---|---|---|---|
Total (n) | 8079 | 1866 | Â |
HIV Knowledge Score (0–6) | |||
 Mean | 3.1 | 4.2 |  *** |
 Median | 3 | 5 |  |
 100% correct | 19.5% | 30.4% |  *** |
LS adjudication | |||
 Parent with citizenship | 71.3% | 96.1% |  *** |
 Birth registered | 31.2% | 73.4% |  *** |
 Adult citizenship | 86.5% | 98.8% |  |
Highest education level completed | |||
 Less than primary | 80.1% | 64.4% | *** |
 Primary | 11.0% | 18.8% | *** |
 Secondary | 8.9% | 16.8% | *** |
Age | |||
 17–25 | 12.1% | 5.4% | *** |
 26–35 | 24.8% | 14.7% | *** |
 36–45 | 27.0% | 23.5% | *** |
 46–55 | 19.2% | 26.3% | *** |
 56+ | 17.0% | 30.2% | *** |
Male sex | 58.7% | 55.8% | * |
Ethnicity | |||
 Karen | 43.9% | – |  |
 Lahu | 30.5% | – |  |
 Akha | 13.0% | – |  |
 Hmong | 9.5% | – |  |
 Lisu | 3.2% | – |  |
Wealth quartile | |||
 1 | 33.5% | 3.7% | *** |
 2 | 24.0% | 29.9% | *** |
 3 | 25.4% | 36.7% | *** |
 4 | 17.1% | 29.7% | *** |