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Uncommon dedication

93% of the original CHILD cohort is still taking part five years on—an uncommonly high figure for a cohort trial.

The dedication of participating families is vital to a longitudinal study like CHILD. Families are asked to stay involved for years, participating in interviews, undergoing physical examinations and clinical testing, and completing questionnaires—since the Study began, the parents of each family have filled out over 400 questionnaires, some 10 or more pages in length. Some families have moved overseas yet they continue to complete their questionnaires and to come in for clinic visits when they are back in the country.

We wish to thank our Study participants for their incredible gift to us.

They are allowing us access to their lives so we can advance our understanding of how the immune system develops.

The exciting results to date would not have been possible without their generosity.

—Dr. Malcolm Sears, CHILD Cohort Study Founding Director

Our families want to help advance science and medical research—to know that their participation has led to a health discovery or a new medication or treatment that will help all kids live healthier lives.

For CHILD families, it’s the idea of ‘putting a brick in the wall’ to help others in the future.

—Dr. Diana Lefebvre, CHILD Research Manager

Look carefully. They are spelling something.



CHILD Cohort Study family


Meet some of the families in CHILD

Some Study participants have been featured in media coverage of CHILD

Encounter the names and faces of Study participants, and hear or read about their motivation for staying involved, by clicking through to their media appearances below.



Celebrating 5 years of commitment

In 2017, the children participating in the CHILD Cohort Study all completed their five-year clinical visits as part of their ongoing involvement in the Study.

Subsequently, staff and researchers at the four sites of the CHILD Cohort Study invited participating families to gatherings to celebrate this milestone achievement, to thank them for their invaluable dedication, to share some of the Study’s significant findings to date, and to discuss plans for the Study going forward.

Aimée Dubeau, Research Coordinator of CHILD’s Toronto site, discusses CHILD’s 5-year milestone

Click on the images below for details about each celebration, including photos.