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Psychological stress and the onset of IDDM in children
G M Thernlund1, G Dahlquist, K Hansson
1Department of Child and Adolescent Psychiatry, University of Lund, Sweden.
Insights
Psychosocial stress in early childhood, including negative life events and family dysfunction, is linked to an increased risk of developing insulin-dependent diabetes mellitus (IDDM). Further prospective studies are needed to confirm these findings.
Area of Science:
- Pediatric Endocrinology
- Psychoneuroimmunology
- Child Psychology
Background:
- The etiology of insulin-dependent diabetes mellitus (IDDM) in children is multifactorial, with potential environmental influences under investigation.
- Psychosocial factors and early life stress are increasingly recognized for their impact on immune system development and disease pathogenesis.
Purpose of the Study:
- To investigate the association between psychosocial stress during various life stages and the risk of developing IDDM in children.
- To identify specific stressors, such as life events and family dynamics, that may contribute to IDDM development.
Main Methods:
- A population-based case-control study involving 67 children diagnosed with IDDM and 61 matched healthy controls.
- Retrospective assessment of life events throughout the lifespan preceding IDDM onset, child behavior, social support, and family functioning.
Main Results:
- Children with IDDM experienced more negative life events in the first two years of life, difficult life adaptations, behavioral deviances, and chaotic family environments.
- Logistic regression analysis confirmed that negative early life events (first 2 years) significantly increased IDDM risk.
- Premorbid child behavior and dysfunctional family patterns were also identified as significant risk factors for IDDM.
Conclusions:
- Early life stress, encompassing negative life events and adverse family environments, may play a role in the autoimmune pathogenesis of IDDM in children.
- The findings suggest a potential link between psychoneuroimmunological pathways and IDDM development.
- Prospective studies are recommended to validate these associations and elucidate causal mechanisms.
Objective:
The purpose of the study was to determine whether psychosocial stress during different life periods could be a risk factor in the etiology/pathogenesis of insulin-dependent diabetes mellitus (IDDM) in children.
Research Design And Methods:
In a population-based sample of 67 case patients 0-14 years of age and 61 matched healthy control subjects, life events during the entire lifespan before the onset of IDDM were recorded as well as measures of child behavior before onset, social support, and family function.
Results:
Negative life events occurring during the first 2 years of life, life events with difficult adaptation, child behavioral deviances, and a more chaotic family function were more common in the case group. A stepwise logistic regression indicated that negative life events in the first 2 years increased the risk of IDDM and that premorbid child behavior as well as dysfunctional hierarchical family pattern affect the risk.
Conclusions:
Stress early in life may increase the risk for IDDM, presumably by affecting the autoimmune process. To confirm these results, it is necessary to make a truly prospective study.