Table 1.
Descriptive characteristics of study participants and prevalence of problem behaviors by age-cohort
| Characteristics | 12–14 years (n = 780) | 15–19 years (n = 942) | Total (N = 1,722) |
|---|---|---|---|
| Slum site (%) | |||
| Korogocho | 47.8 | 57.2 | 53.0 |
| Viwandani | 52.2 | 42.8 | 47.0 |
| Sex (%) | |||
| Male | 50.8 | 54.5 | 52.8 |
| Female | 49.2 | 45.5 | 47.2 |
| Parental co-residence (%) | |||
| Stay alone or other | 7.1 | 23.3 | 16.0 |
| With one parent | 27.3 | 28.6 | 28.0 |
| With both parents | 65.6 | 48.1 | 56.0 |
| Socioeconomic status (%) | |||
| Least wealthy | 41.8 | 41.8 | 41.8 |
| Middle | 31.0 | 27.4 | 29.0 |
| Most wealthy | 27.2 | 30.8 | 29.2 |
| Currently in school (%) | 95.6 | 63.8 | 78.2 |
| In secondary school or higher (%)a | 1.61 | 54.0 | 24.9 |
| Median duration of stay in slum(years) | 12 | 15 | 13 |
| Ever been pregnant or made someone pregnant (%) | 0.3 | 4.0 | 2.3 |
| Ever drunk alcohol (%) | 1.7 | 9.7 | 6.0 |
| Had sex before 15 years (%) | 3.2 | 9.0 | 6.4 |
| Ever had sex (%) | 3.2 | 24.6 | 15.0 |
| Ever smoked cigarettes (%) | 0.9 | 4.0 | 2.6 |
| Ever used illicit drugs (%) | 2.6 | 10.3 | 6.8 |
| Ever started a fight with peers (%) | 34.4 | 33.8 | 34.1 |
| Ever hit or threatened to hit someone (%) | 27.2 | 25.9 | 26.5 |
| Ever tried to take something belonging to others (%) | 22.6 | 19.4 | 20.8 |
a Base is currently in school.