O'Mahony, D., Murray, A., Williams, J., McNamara, E., O'Reilly, C., and McClintock, R. (2021). Growing Up in Ireland: Report on Wave Four Pilot for Cohort ’98 (Child Cohort) at 20 Years of Age , Dublin: Department of Children, Equality, Disability, Integration and Youth, https://www.esri.ie/publications/growing-up-in-ireland-report-on-wave-four-pilot-for-cohort-98-child-cohort-at-20-years