Data extraction of included studies
| Publication information | Journal, publication year, study design, total duration of the study, study location, study setting, and withdrawals |
| Population | Number of participants, mean age, age range, sex (or gender identity), sociodemographic status, and any specific inclusion and exclusion criteria such as participants with chronic illnesses or mental health disorders or with disability including learning disability |
| Intervention | Intervention description, the composition of the intervention, duration of intervention, a platform for delivery (school-based or community-based, peer-support, mobile health (mhealth), and comparison group description |
| Control | Standard of care or control |
| Outcomes | Outcomes specified earlier, time points of outcomes reported, and outcome measures. The outcomes for empowerment effect on contraceptive use included any contraceptive use, unprotected sex and adolescent pregnancy. The outcomes for contraceptive use on empowerment were broadly categorised into educational, employment, social, reproductive autonomy and general autonomy outcomes (for details see Appendix 3) |
| Study design | Type of study design |
| Other information | Funding sources, study limitations, and conflicts of interest |