Participants
Eligibility criteria included: aged between 18 and 24 years, had a BMI ≥ 18·5 kg/mParticipants were recruited nationally across Australia using social media platforms (paid targeted ads on Facebook and Instagram) and from universities, organisations and communities who interact with young adults via links and flyers, as well as local and national media releases through newspapers, magazines and radio stations. Potential participants were invited to visit the 