The Family Stress Study - Chronic Stress and Child Adiposity: Testing a Bio-behavioural Model

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

300 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-07-09

Study Completion Date

2027-05-30

Brief Summary

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The Family Stress Study is following families with young children in Guelph, Hamilton and surrounding areas over 3 years to understand how chronic stress impacts children's weight gain over time and how this association is mediated by alterations in children's cortisol production and weight-related behaviours.

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Detailed Description

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The Family Stress Study is a longitudinal observational study designed to examine behavioural and biological pathways through which exposure to chronic stress may impact excess weight gain in young children.

This study will examine whether exposure to chronic stressors, i.e., household chaos, negative life events, food insecurity, and parental depression, is directly associated with higher weight gain among children. This study will also examine whether alterations in children's cortisol production and weight-related behaviours, i.e., dietary intake, eating behaviour, physical activity, sedentary behaviours and sleep, mediate the stress-weight gain link in young children. This research will also identify whether the quality of caregiver relationships, child sex, family social support, family social connection, or caregiver education moderate the pathways linking stress and excess weight gain.

To achieve our aims, 360 children aged 2 to 6 years from families in the Guelph and Hamilton areas will be recruited to examine key behavioural and biological pathways through which exposure to chronic stress may impact weight gain. Our study will also examine the impact of chronic stress on children's mental health, which is a secondary outcome of our study. Understanding which sources of stress and the key behaviours that have the greatest impact on obesity risk among chronically stressed children will aid in the development of effective obesity prevention interventions for specific families.

Additionally, this study is well-poised to examine how family stressors during the COVID-19 pandemic influenced children's health behaviours and resulting weight outcomes. Further examination of COVID-19-related stressors, i.e., quarantine or illness due to COVID-19, employment in essential services, general stress, food insecurity, financial insecurity and employment change due to COVID-19, impact cortisol levels and health behaviours and resulting weight outcomes in children. We will also examine how factors such as family social connection or social support, may moderate the impact of the stressors due to COVID-19 on child health. This information will guide strategies to support families in the post-COVID-19 context.

Conditions

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Pediatric Obesity Mental Health Wellness 1

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Families are eligible to participate if they have at least 1 adult caregiver responsible for the care of a child aged 2-6 years at the time of enrollment (target age group for the study);
* Families must live in the Guelph (i.e.: Wellington County- includes Guelph, Rockwood, Fergus, Elora, Mount Forest, Puslinch, Cambridge, Kitchener, Waterloo) or Hamilton (i.e.: Municipality of Hamilton-Wentworth - includes Hamilton, Ancaster, Dundas, Flamborough, Glanbrook, Stoney Creek as well as Burlington) areas and must not be planning to move outside of these areas within three years;

Exclusion Criteria

* Language - The participating caregiver must be fluent in English since all study communications and survey questions are in English;
* Participation in the Guelph Family Health Study (GFHS) - families previously or currently participating in the GFHS will be excluded as the GFHS provided intervention that may bias the results of the current study;
* Child custody - The participating caregiver must have at least 50% shared custody of their child (to allow for separated/divorced families to participate ensuring caregivers' reports of family-level stressors are relevant for the child);
* Health conditions of the children impacting cortisol production, obesity and/or growth/body composition - Hair sample cortisol, fat mass and growth measurements would be affected by these conditions (e.g. Cushing's Disease, Prader Willi Syndrome, untreated thyroid disease);
* Children taking steroid medications including oral or inhaled corticosteroids - Hair sample cortisol measurements would be affected by the use of steroid medications;
* Children taking medications for ADHD (attention deficit hyperactivity disorder), antidepressants or antipsychotic medications - These medications can affect body composition;
* Children born before 34 weeks gestation - Body composition and growth can be affected for children born before 34 weeks.

Minimum Eligible Age

2 Years

Maximum Eligible Age

6 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes