Adolescent MedicinePublished 13 May 2025Relationship between child opportunity index and body mass index z -score: a mixed-effects analysis with data from a lifestyle intervention with Hispanic childrenChristian E. Vazquez · Bethany Wood · Swasati Handique · Yuanyuan Liang · Zenong Yin · Deborah Parra-MedinaFrontiers in Adolescent Medicinedoi 10.3389/fradm.2025.1547910