Clinical Research Directory

Inclusion Criteria: * Girl identified in the Kilonga 2 evaluation sample (randomly selected during the December 2024-January 2025 baseline from class registers across the 140 participating schools); participants were 11-20 years old at baseline enrollment and are approximately 12-21 years old at the time of endline/health-outcomes data collection (May-August 2026) * Full evaluation sample (n\~3,080; \~22 girls/school): all girls in the Kilonga 2 sample across the 140 schools are eligible for the cognitive, self-reported psychosocial, and non-biospecimen health outcomes, collected at the social-science endline. * Biomarker subsample (n\~1,360; \~17 girls/school): girls attending one of the 80 schools selected for the health biomarker subsample (logistically accessible for biospecimen collection and cold-chain maintenance) are additionally eligible for salivary cortisol and blood-based C-reactive protein outcomes. * Informed consent obtained from parent/legal guardian, and assent obtained from the participant herself Exclusion Criteria: * Adolescents not meeting the inclusion criteria above * Adolescents (or their parent/legal guardian) who refuse to participate or who withdraw consent/assent at any time * Adolescents for whom sample collection is judged impossible or contraindicated at the time of collection (e.g., health status precluding collection)