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Date Last Updated: 26-09-2025

Survey Name:

Growing Up Together: Twins in the Growing Up in Ireland ’08 Study at 9-Months Old

Survey purpose:

Growing Up in Ireland is the national longitudinal study of children and young people in Ireland. It is a collaborative study between the Central Statistics Office (CSO) and the Department of Children, Disability and Equality (DCDE). GUI has provided an important evidence base for policy and services for children across the public sector since its establishment.

Legislative Basis National:

Not applicable

Legislative Basis European:

Not applicable

Periodicity:

Ad hoc

Statistical Population:

Growing Up in Ireland Cohort '08 at Wave 1 (aged 9-months).

Sampling Frame:

For Growing Up in Ireland Cohort '08, the population was made up of children born between 1st December 2007 and 30th June 2008. The Child Benefit Register was used as the sampling frame.

Reference Area:

State of Ireland

Time Coverage:

September 2008 and April 2009

Base Period:

Not applicable

Sector Coverage:

Not applicable

Survey Size:

11,405 children whose families were interviewed at Wave 1 of Growing Up in Ireland Cohort '08

Principal Variables:

Variables related to: babies development, pregnancy, parental supports and specific questions relating to twins

Principal External Users:

Government departments, research institutes, universities.

Contact Organisation:

Central Statistics Office

Business Area:

Social & Demographic Statistics

Contact Person:

Bernadette Ryan

Contact Person Function:

Higher Executive Officer

Other Business Area Specialists:

Contact email:

gui@cso.ie

Contact phone number:

(+353) 1 498 4000