Active (Opt-In) consent underestimates mean BMI-z and the prevalence of overweight and obesity compared to passive (Opt-Out) consent. Evidence from the healthy together victoria and childhood obesity study
Active (Opt-In) consent underestimates mean BMI-z and the prevalence of overweight and obesity compared to passive (Opt-Out) consent. Evidence from the healthy together victoria and childhood obesity study
History
Journal
International Journal of Environmental Research and Public Health