Massimiliano Orri1,2, Michel Boivin3, Chelsea Chen4, Marilyn N Ahun4,5, Marie-Claude Geoffroy1,6, Isabelle Ouellet-Morin7,8, Richard E Tremblay9,10, Sylvana M Côté11,12. 1. McGill Group for Suicide Studies, Department of Psychiatry, Department, Montreal, Douglas Mental Health University Institute, McGill University, Frank B. Common Pavilion, F-2101 6875 LaSalle Boulevard, Montreal, QC, H4H 1R3, Canada. 2. Bordeaux Population Health Research Centre, Inserm U1219, University of Bordeaux, Bordeaux, France. 3. School of Psychology, Université Laval, Quebec, QC, Canada. 4. Sainte-Justine Hospital Research Center, Montreal, QC, Canada. 5. Department of Social and Preventive Medicine, School of Public Health, University of Montreal, 3050 Edouard Montpetit, Montreal, QC, H3T 1J7, Canada. 6. Department of Education and Counselling Psychology, McGill University, Montreal, QC, Canada. 7. School of Criminology, University of Montreal, Montreal, QC, Canada. 8. Research Center of the Montreal Mental Health University Institute, Montreal, QC, Canada. 9. Department of Pediatrics and Psychology, University of Montreal, Montreal, QC, Canada. 10. School of Public Health, University College Dublin, Dublin, Ireland. 11. Bordeaux Population Health Research Centre, Inserm U1219, University of Bordeaux, Bordeaux, France. sylvana.cote.1@umontreal.ca. 12. Department of Social and Preventive Medicine, School of Public Health, University of Montreal, 3050 Edouard Montpetit, Montreal, QC, H3T 1J7, Canada. sylvana.cote.1@umontreal.ca.
Abstract
PURPOSE: The Quebec Longitudinal Study of Child Development (QLSCD) was designed to examine the long-term associations of preschool physical, cognitive, social, and emotional development with biopsychosocial development across childhood, adolescence, and young adulthood. METHODS: QLSCD is an ongoing prospective cohort including 2120 singletons born in 1997/1998 in the Canadian province of Quebec. So far, data have been collected annually or every 2 years from child ages 5 months to 21 years. The cohort currently includes 1245 participants. Data available include a range of environmental (e.g., family characteristics, child behaviour, educational attainment, mental health), biological (e.g., hair cortisol, genetic, epigenetic), and administrative data. RESULTS: QLSCD has contributed to the understanding of children's psychosocial development, including the development of physical aggression and anxiety. QLSCD articles have advanced scientific knowledge on the influence of early childhood factors on childhood, adolescent, and young adult mental health, including the effect of participation in early childcare on cognitive and behavioural development, the developmental origins of adolescent and young adult mental health problems and suicide risk, and the development of interpersonal difficulties (e.g., peer victimisation) from preschool years to adolescence. CONCLUSION: QLSCD has given major contributions to our understanding of the link between different aspects of child development and biopsychosocial development during the first two decades of life. Unique features include the presence of environmental, biological, and administrative data, long-term follow-up with frequent data collections, and use of data from multiple informants, including teachers, mothers, fathers, and the children themselves.
PURPOSE: The Quebec Longitudinal Study of Child Development (QLSCD) was designed to examine the long-term associations of preschool physical, cognitive, social, and emotional development with biopsychosocial development across childhood, adolescence, and young adulthood. METHODS: QLSCD is an ongoing prospective cohort including 2120 singletons born in 1997/1998 in the Canadian province of Quebec. So far, data have been collected annually or every 2 years from child ages 5 months to 21 years. The cohort currently includes 1245 participants. Data available include a range of environmental (e.g., family characteristics, child behaviour, educational attainment, mental health), biological (e.g., hair cortisol, genetic, epigenetic), and administrative data. RESULTS: QLSCD has contributed to the understanding of children's psychosocial development, including the development of physical aggression and anxiety. QLSCD articles have advanced scientific knowledge on the influence of early childhood factors on childhood, adolescent, and young adult mental health, including the effect of participation in early childcare on cognitive and behavioural development, the developmental origins of adolescent and young adult mental health problems and suicide risk, and the development of interpersonal difficulties (e.g., peer victimisation) from preschool years to adolescence. CONCLUSION: QLSCD has given major contributions to our understanding of the link between different aspects of child development and biopsychosocial development during the first two decades of life. Unique features include the presence of environmental, biological, and administrative data, long-term follow-up with frequent data collections, and use of data from multiple informants, including teachers, mothers, fathers, and the children themselves.
Entities:
Keywords:
Behavioural development; Cohort profile; Developmental psychology; Longitudinal; Quebec longitudinal study of child development
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