Australian studies investigating parental factors often lack meaningful inclusion of Aboriginal and Torres Strait Islander families, limiting our understanding of current influences on positive developmental trajectories within communities. There is growing recognition of the need for culturally safe and responsive longitudinal research that is co-designed and co-led by the community for the community. An Indigenous-led birth cohort study of Aboriginal and Torres Strait Islander families in Queensland, Australia, has therefore been developed to better understand health across generations.

The Strong Families Study is a co-designed prospective longitudinal birth cohort study that will follow 400 Indigenous families in Queensland from pregnancy until the child reaches 5 years of age. Eligible participants include pregnant individuals (

This study was approved by the Mater Misericordiae Ltd Human Research Ethics Committee (HREC/MML/105191) and ratified by the University of Queensland Human Research Ethics Committee (2025/HE001924). Endorsement letters were secured from partner services at each study site. Findings will be shared with partnering hospitals and funding bodies at conferences and through reports and peer-reviewed publications.