| Table 1. Percentage distribution of urban minority youth participating in the Reach for Health survey, by selected characteristics, according to school | ||
| Characteristic | Middle school* | High school† |
| (N=1,287) | (N=970) | |
| Sex | ||
| Male | 47.9 | 44.2 |
| Female | 52.1 | 55.8 |
| Race/ethnicity | ||
| Black | 78.7 | 78.4 |
| Hispanic | 19.7 | 18.4 |
| Missing information | 1.6 | 3.2 |
| Expects to complete high school | ||
| Yes | 91.4 | 87.2 |
| No | 8.6 | 12.8 |
| Resides with mother | ||
| Always | 86.6 | 85.7 |
| Sometimes | 3.9 | 4.5 |
| Never | 9.5 | 9.8 |
| Resides with father | ||
| Always | 38.7 | 36.8 |
| Sometimes | 8.2 | 8.2 |
| Never | 53.1 | 54.9 |
| Total | 100.0 | 100.0 |
| *At seventh grade baseline. †Baseline characteristics as of seventh grade of those retained through 10th grade. | ||
| Table 2. Percentage of adolescents in baseline and follow-up surveys who reported sexual behaviors, by gender and grade | ||||||||||||||
| Sexual behavior | Males | Females | ||||||||||||
| Middle school | High school | Middle school | High schol | |||||||||||
| Fall 7th | Spring 7th | Spring 8th | 10th | Fall 7th | Spring 7th | Spring 8th | 10th | |||||||
| (N=616) | (N=616) | (N=616) | (N=429) | (N=671) | (N=671) | (N=671) | (N=541) | |||||||
| Ever had intercourse | 31.0 | 41.3 | 51.8 | 66.0 | 8.4 | 12.6 | 20.3 | 52.0 | ||||||
| Had recent intercourse | 20.2 | 31.4 | 38.8 | 53.8 | 5.2 | 7.5 | 14.9 | 41.9 | ||||||
| Used condom < half of the time* | 24.5 | 30.0 | 34.6 | 17.0 | 37.0 | 28.9 | 26.3 | 25.5 | ||||||
| Involved in pregnancy | 1.0 | 3.6 | 3.8 | 5.7 | 0.6 | 1.1 | 2.3 | 12.4 | ||||||
| Ever forced partner to have sex | 4.2 | 5.3 | 7.5 | 5.5 | 0.2 | 1.0 | 1.3 | 3.0 | ||||||
| Had >=4 sex | ||||||||||||||
| partners† | na | na | na | 53.8 | na | na | na | 17.7 | ||||||
| Had sex>1 per month* | na | na | na | 52.0 | na | na | na | 54.5 | ||||||
| Was drunk/high during sex* | na | na | na | 26.2 | na | na | na | 18.0 | ||||||
| *Among those reporting recent sex. †Among those reporting sexual initiation. Note: na=not applicable. | ||||||||||||||
| Table 3. Percentage of all sexually experienced adolescents and percentage of sexually experienced adolescents having had recent sex who reported selected risk behaviors at 10th grade, by timing of first intercourse and gender | ||||||
| Risk behavior | Males (N=283) | Females (N=281) | ||||
| Fall 7th | Spring 8th | 10th | Fall 7th | Spring 8th | 10th | |
| ALL EXPERIENCED | ||||||
| Had recent intercourse | 85.0 | 69.2 | 71.3 | 85.0 | 71.9 | 76.4 |
| Lifetime no. of partners | ||||||
| 1 | 13.1 | 11.3 | 27.7 | 37.0 | 37.5 | 56.7 |
| 2-3 | 25.5 | 28.3 | 31.9 | 33.3 | 31.3 | 29.2 |
| >=4 | 61.2 | 39.6 | 38.3 | 29.6 | 20.3 | 14.0 |
| Involved in pregnancy | 13.0 | 1.9 | 4.3 | 33.3 | 28.1 | 17.4 |
| Ever forced partner to have sex | 12.2 | 3.8 | 4.3 | 7.4 | 6.3 | 4.5 |
| REPORTING RECENT SEX | ||||||
| Had sex >1 per month | 57.5 | 45.9 | 42.1 | 65.2 | 63.9 | 48.4 |
| Was drunk/high during recent sex | 31.4 | 25.0 | 17.5 | 18.2 | 19.7 | 16.1 |
| Used condom <half of the time | 15.1 | 10.5 | 13.3 | 20.5 | 18.4 | 18.9 |
| Table 4. Odds ratios (and 95% confidence intervals) from logistic regression analyses assessing the effects of timing of sexual initiation on subsequent sexual behaviors, by group | ||
| Sexual behavior | Odds ratio* | p |
| ALL 10TH GRADERS | ||
| Number of lifetime partners >=4 | ||
| Intercourse by spring of 8th grade | 4.10 (2.86-5.88) | <.0001 |
| All others (ref) | 1.00 | na |
| Gender | 4.67 (2.51-5.37) | <.0001 |
| Ever involved in pregnancy | ||
| Intercourse by spring of 8th grade | 4.82 (2.89-8.02) | <.0001 |
| All others (ref) | 1.00 | na |
| Gender | 0.24 (0.14-0.42) | <.0001 |
| SEXUALLY EXPERIENCED 10TH GRADERS | ||
| Lifetime no. of partners >=4 | ||
| 1st sex at baseline | 2.15 (1.29-3.57) | .003 |
| 1st sex in 7th/8th grade | 1.75 (1.08-2.82) | .02 |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 4.35 (2.83-6.69) | <.0001 |
| Ever involved in pregnancy | ||
| 1st sex at baseline | 2.05 (1.07-3.92) | .03 |
| 1st sex in 7th/8th grade | 1.51 (0.84-2.70) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 0.24 (0.14-0.43) | <.0001 |
| Sexual intercourse in the past 3 months | ||
| 1st sex at baseline | 0.90 (0.55-1.47) | ns |
| 1st sex in 7th/8th grade | 0.87 (0.56-1.57) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 0.91 (0.61-1.35) | ns |
| Forced partner to have sex | ||
| 1st sex at baseline | 2.43 (1.01-5.87) | .05 |
| 1st sex in 7th/8th grade | 0.79 (0.28-2.23) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 1.19 (0.54-2.62) | ns |
| SEXUALLY EXPERIENCED 10TH GRADERS WHO HAD RECENT SEX | ||
| Had sex >1 per month | ||
| 1st sex at baseline | 2.04 (1.18-3.53) | .01 |
| 1st sex in 7th/8th grade | 1.70 (1.05-2.77) | .03 |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 0.73 (0.47-1.15) | ns |
| Inconsistent condom use during recent sex | ||
| 1st sex at baseline | 1.03 (0.50-2.13) | ns |
| 1st sex in 7th/8th grade | 0.96 (0.52-1.77) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 0.44 (0.25-0.79) | .007 |
| Drunk/high during recent sex | ||
| 1st sex at baseline | 1.89 (1.00-3.57) | .05 |
| 1st sex in 7th/8th grade | 1.34 (0.74-2.46) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 1.32 (0.78-2.25) | ns |
| Forced partner to have sex | ||
| 1st sex at baseline | 3.25 (1.89-5.58) | .03 |
| 1st sex in 7th/8th grade | 1.25 (0.71-2.23) | ns |
| 1st sex in early high school (ref) | 1.00 | na |
| Gender | 0.95 (0.60-1.51) | ns |
| *Odds ratios are adjusted for gender, race, ethnicity and age. Age is not significantly associated with any outcomes. Race and ethnicity are associated only with inconsistent condom use (odds ratio, 0.50, 95% confidence interval=0.36-0.69, with black coded as 1 and Hispanic as 0). Notes: na=not applicable. ns=not significant. ref=reference group. | ||
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© copyright 2001, The Alan Guttmacher Institute. |