Table 2. Study Characteristics.
| First Author (year) | Dependent Outcomes | Sample Type | Data Collection Type | Study Design | |||||
|---|---|---|---|---|---|---|---|---|---|
| Onset of Sexual Intercourse (n=5) | Sexual Behaviors/Sexual Health (n=9) | STIs/Pregnancy (n=3) | Males & Females1 (n=6) | All Female (n=5) | Add Health2 (n=4) | Primary Data Collection (n=7) | Cross-Sectional (n=5) | Longitudinal (n=6) | |
| Bámaca-Colbert (2014) | X | X | X | X | |||||
| Gilliam (2011) | X | X | X | X | |||||
| Guilamo-Ramos (2009) | X | X | X | X | |||||
| Lee (2010) | X | X | X | X | X | X | |||
| Ma (2014) | X | X | X | X | X | ||||
| McDonald (2009) | X | X | X | X | X | X | |||
| Rafaelli (2012) | X | X | X | X | X | ||||
| Rocca (2010) | X | X | X | X | |||||
| Schwartz (2014) | X | X | X | X | |||||
| Smith (2015) | X | X | X | X | |||||
| Villarruel (2007) | X | X | X | X | |||||
1
Sample stratified by gender.
2
National Longitudinal Study of Adolescent to Adult Health