This Key Findings report presents summary information
on the lives and circumstances of the 20-year-olds from
the fourth wave of interviews with Growing Up in Ireland’s
older Cohort ’98 between August 2018 and June 2019.
It provides the most recent data on key indicators of
physical health such as self-reported health, chronic
conditions and weight status. It also explores important
health-related behaviours such as drinking, smoking
and substance use, physical activity, and sleep. Topics
relating to mental health and well-being are covered in
Key Finding 3
