Table 2.
Demographic characteristics and HIV risk factors in young women and men aged 15–24 years, Rakai District, Uganda, 1999–2011.
| Rakai Community Cohort Study Survey Round, 1999–2011 |
P for trend (age-adjusted) |
Model for test | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |||
| Women (15–24 years) | |||||||||||
| Enrolled in school | |||||||||||
| 15–1 9 years old | 26.0% | 29. 9% | 30.9% | 35.6% | 36.9% | 46.8% | 50.7% | 57.1% | 58.9% | <0.001 | Logistic regression |
| 20–24 years old | 1.4% | 1.0% | 0.9% | 1.9% | 2.1% | 4.1% | 4.5% | 3.9% | 3.9% | <0.001 | Logistic regression |
| Ever married | |||||||||||
| 15–1 9 years old | 46.3% | 45.0% | 42.6% | 40.2% | 39.3% | 29.5% | 26.9% | 23.2% | 23.6% | <0.000 | Logistic regression |
| 20–24 years old | 82.7% | 82.1% | 81.1% | 82.9% | 83.5% | 77.9% | 79.0% | 82.5% | 81.7% | 0.011 | Logistic regression |
| Risk factors among all women | |||||||||||
| Ever had sex | |||||||||||
| 15–1 9 years old | 75.9% | 75.2% | 78.4% | 73.6% | 73.5% | 64.4% | 63.0% | 55.1% | 50.3% | <0.001 | Logistic regression |
| 20–24 years old | 99.1% | 99.1% | 98.9% | 98.9% | 99.0% | 98.2% | 98.2% | 98.0% | 97.8% | <0.001 | Logistic regression |
| Primary partner has received male medical circumcision | |||||||||||
| 15–19 years old | NA | NA | NA | 27.1% | 28.0% | 33.1% | 38.9% | 44.6% | 55.5% | <0.001 | Logistic regression |
| 20–24 years old | NA | NA | NA | 25.5% | 28.0% | 32.9% | 38.9% | 47.2% | 51.6% | <0.001 | Logistic regression |
| Risk factors among sexually experienced women | |||||||||||
| Number of sex partners, last 12 months | |||||||||||
| 15–1 9 years old | <0.001 | Proportional odds model | |||||||||
| 0 | 7.4% | 7.0% | 6.2% | 6.5% | 9.7% | 9.7% | 12.1% | 13.2% | 12.2% | ||
| 1 | 82.0% | 83.3% | 82.1% | 83.1% | 80.7% | 81.4% | 78.8% | 77.1% | 81.6% | ||
| More than 2 | 10.6% | 9.7% | 11.8% | 10.4% | 9.6% | 8.9% | 9.1% | 9.7% | 6.2% | ||
| 20–24 years old | <0.001 | Proportional odds model | |||||||||
| 0 | 3.5% | 3.7% | 3.8% | 2.8% | 3.2% | 4.6% | 3.6% | 3.4% | 4.4% | ||
| 1 | 90.5% | 89.1% | 89.5% | 92.2% | 91.8% | 89.9% | 90.2% | 91.4% | 90.7% | ||
| More than 2 | 6.0% | 7.2% | 6.7% | 5.0% | 5.0% | 5.5% | 6.3% | 5.2% | 5.0% | ||
| Concurrent sexual partners at the date of interview | |||||||||||
| 15–1 9 years old | 2.2% | 1.5% | 2.8% | 2.4% | 2.1% | 1.8% | 1.8% | 0.9% | 1.4% | 0.048 | Logistic regression |
| 20–24 years old | 1.8% | 1.8% | 1.8% | 1.6% | 2.1% | 2.3% | 2.3% | 1.8% | 1.6% | 0.723 | Logistic regression |
| Always used condoms, primary partner in last 12 months | |||||||||||
| 15–1 9 years old | 15.7% | 19.1% | 21.6% | 21.0% | 21.3% | 24.8% | 29.7% | 29.2% | 22.9% | <0.001 | Logistic regression |
| 20–24 years old | 7.4% | 7.6% | 8.5% | 5.3% | 5.8% | 8.3% | 8.0% | 6.1% | 6.5% | 0.396 | Logistic regression |
| Always used condom with 2–4 partners, last 12 months | |||||||||||
| 15–1 9 years old | 40.0% | 25.2% | 42.6% | 34.9% | 41.7% | 38.1% | 36.0% | 41.1% | 42.2% | 0.183 | Logistic regression |
| 20–24 years old | 27.0% | 33.8% | 35.5% | 37.2% | 31.3% | 33.7% | 36.0% | 29.6% | 37.3% | 0.250 | Logistic regression |
| Alcohol use in last 30 days | |||||||||||
| 15–1 9 years old | 28.7% | 27.0% | 27.2% | 14.6% | 13.6% | 13.0% | 9.2% | NA | NA | <0.001 | Logistic regression |
| 20–24 years old | 35.1% | 33.6% | 31.9% | 22.7% | 21.3% | 24.6% | 21.7% | NA | NA | <0.001 | Logistic regression |
| Men (15–24 years) | |||||||||||
| Enrolled in school | |||||||||||
| 15–19 years-old | 42.6% | 43.5% | 47.4% | 53.4% | 53.7% | 60.1% | 59.0% | 61.8% | 65.9% | <0.001 | Logistic regression |
| 20–24 years-old | 6.0% | 7.2% | 7.0% | 9.1% | 8.6% | 12.6% | 11.2% | 12.6% | 11.9% | <0.001 | Logistic regression |
| Ever married | |||||||||||
| 15–1 9 years-old | 4.7% | 4.2% | 3.3% | 2.1% | 2.1% | 2.5% | 1.8% | 1.3% | 0.9% | <0.001 | Logistic regression |
| 20–24 years-old | 52.0% | 49.0% | 49.5% | 48.3% | 43.4% | 39.7% | 40.6% | 40.4% | 37.3% | <0.001 | Logistic regression |
| Risk factors among all men | |||||||||||
| Ever had sex | |||||||||||
| 15–19 years-old | 63.0% | 63.0% | 65.7% | 60.4% | 59.0% | 54.7% | 53.8% | 44.5% | 41.4% | <0.001 | Logistic regression |
| 20–24 years-old | 95.6% | 94.6% | 96.1% | 95.8% | 96.4% | 95.4% | 94.1% | 92.0% | 90.9% | <0.001 | Logistic regression |
| Male Medical Circumcision | |||||||||||
| 15–19 years-old | NA | NA | 16.8% | 20.8% | 20.4% | 21.2% | 21.8% | 28.4% | 35.7% | <0.001 | Logistic regression |
| 20–24 years-old | NA | NA | 15.4% | 1 7.2% | 18.3% | 24.2% | 30.0% | 38.1% | 42.3% | <0.001 | Logistic regression |
| Risk factors among sexually experienced men | |||||||||||
| Number of sex partners—last 12 months | |||||||||||
| 15–19 years-old | <0.001 | Proportional odds model | |||||||||
| 0 | 18.4% | 18.2% | 17.6% | 18.5% | 22.2% | 25.7% | 22.2% | 31.8% | 31.2% | ||
| 1 | 42.3% | 40.9% | 43.2% | 46.6% | 45.7% | 47.0% | 49.5% | 46.7% | 49.3% | ||
| More than 2 | 39.3% | 40.9% | 39.2% | 34.9% | 32.1% | 27.5% | 28.3% | 21.5% | 1 9.5% | ||
| 20–24 years-old | <0.001 | Proportional odds model | |||||||||
| 0 | 7.9% | 8.2% | 7.2% | 7.5% | 8.40% | 10.2% | 9.5% | 9.9% | 12.7% | ||
| 1 | 47.6% | 47.1% | 42.3% | 47.8% | 48.0% | 46.2% | 43.3% | 51.2% | 54.0% | ||
| More than 2 | 44.4% | 44.7% | 50.5% | 44.7% | 43.6% | 43.5% | 47.3% | 38.9% | 33.3% | ||
| Concurrent sexual partners at date of interview | |||||||||||
| 15–19 years-old | 11.5% | 13.0% | 11.2% | 15.1% | 8.2% | 8.8% | 10.1% | 6.7% | 6.7% | <0.001 | Logistic regression |
| 20–24 years-old | 20.4% | 1 8.7% | 21.2% | 20.7% | 19.6% | 20.6% | 21.5% | 16. 7% | 13.6% | <0.001 | Logistic regression |
| Always used condoms w/ primary partner—last 12 months | |||||||||||
| 15–19 years-old | 37.2% | 40.1% | 43.9% | 47.8% | 44.5% | 37.1% | 41.0% | 39.3% | 38.1% | 1.000 | Logistic regression |
| 20–24 years-old | 23.7% | 29.5% | 28.0% | 29.4% | 32.2% | 32.2% | 28. 6% | 28.5% | 30.1% | 0.007 | Logistic regression |
| Always used condom w/ 2–4 partner—last 12 months | |||||||||||
| 15–19 years-old | 31.5% | 37.9% | 39.5% | 37.9% | 46.7% | 40.2% | 33.5% | 35.9% | 39.5% | 0.013 | Logistic regression |
| 20–24 years-old | 39.1% | 37.7% | 38.0% | 42.5% | 43.3% | 37.0% | 36.3% | 36.4% | 33.7% | 0.412 | Logistic regression |
| Alcohol use in last 30 days | |||||||||||
| 15–19 years-old | 37.5% | 37.8% | 33.2% | 22.1% | 17.1% | 13.8% | 13.3% | NA | NA | <0.001 | Logistic regression |
| 20–24 years-old | 56.9% | 57.4% | 53.8% | 42.2% | 37.5% | 37.2% | 33.7% | NA | NA | <0.001 | Logistic regression |
Statistical testing used to assess change over time, p values adjust for single year of age. Denominators for certain analyses limited to sexually experienced youth as noted above.