- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT02939261
Guelph Family Health Study: Full Study (GFHS)
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Detailní popis
The overall objective of this research is to test, among families with children age 2-5 years, the immediate and longer-term impacts of a home-based intervention to improve household routines associated with reduced obesity risk. The primary hypothesis is that, compared to control, children in the intervention group will have lower BMI following the 6-month intervention period and 18-month follow-up period. The secondary outcomes are change in children's % body fat, waist circumference and obesity-related behaviours: sleep, activity, sedentary behaviour, family meals, and dietary intake. Although child outcomes are the focus of this evaluation, changing household routines may also improve parent behaviour; thus, the investigators will assess change in parent behaviours and weight outcomes. This study also assess the cost-effectiveness of the intervention from a societal perspective.
The investigators will randomly allocate 356 socio-economically diverse Ontario families to receive either: 1) 4 motivational coaching home visits, bi-weekly emails, and mailed behaviour supports (intervention group), or 2) Monthly emails with general health information (control group). Primary and secondary outcomes will be assessed at baseline, post-intervention (6-months), and 18-month follow-up, and data will be analyzed by intention to treat.
This study tests a novel and promising approach to obesity prevention - an approach that engages families at home, where they eat, play, and sleep. The interdisciplinary investigator team has partnered with parents and key knowledge users in public health and primary care to develop this intervention. As a result, this research could provide a sustainable model for early life obesity prevention, leading to long-term improvements in health and reduction in costs to the health system and society as a whole.
Typ studie
Zápis (Očekávaný)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
-
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Ontario
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Guelph, Ontario, Kanada, N1G 2W1
- Nábor
- Univeristy of Guelph
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Kontakt:
- Jess Haines, PhD
- Telefonní číslo: 53780 519-824-4120
- E-mail: jhaines@uoguelph.ca
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Kontakt:
- Angela Annis, MSc
- Telefonní číslo: 56168 519-824-4120
- E-mail: aannis@uoguelph.ca
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Vrchní vyšetřovatel:
- Jess Haines, PhD
-
-
Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- families who have at least 1 child age 18 months - 5 years
- families who live in the Guelph area
- families who can respond to English surveys
Exclusion Criteria:
- plan to move away within the next year
- have children with severe health conditions (e.g., cerebral palsy) that prevent participation in study activities.
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Prevence
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Singl
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
|---|---|
|
Aktivní komparátor: Control
Families randomized to control will receive monthly emails containing publicly available handouts on general child health.
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monthly emails with general health information
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Experimentální: Intervention - 4 Home Visits
Families randomized to the intervention will receive: a) 4 home visits from a health educator, b) weekly e-mails, and c) monthly mailed behavioural supports.
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4 home visits from a health educator, weekly e-mails, and monthly mailed behavioural supports.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Child - change in BMI
Časové okno: Baseline, 6 Months and 18 Months
|
Trained staff will use standard practices to measure child height to the nearest 0.1 cm with a Shorrboard stadiometer and child weight to the nearest 0.1 kg using a Seca scale.
BMI will be the ratio of weight (kg) to the square of standing height (m).
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Baseline, 6 Months and 18 Months
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Child - change in waist circumference
Časové okno: Baseline, 6 Months, 18 Months
|
Trained staff will measure waist circumference at the top of the iliac crest to the nearest 0.1cm, using the NIH protocol.
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Baseline, 6 Months, 18 Months
|
|
Child - change in % body fat
Časové okno: Baseline, 6 Months, 18 Months
|
Trained staff will use bioelectrical impedance analysis to assess child body composition and use the equation by Kusher to determine % body fat.
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Baseline, 6 Months, 18 Months
|
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Child - change in sleep duration
Časové okno: Baseline, 6 Months, 18 Months
|
Sleep duration will be assessed using the wActiSleep+ Activity Monitor (ActiGraph).
Activity monitors will be worn on the child's non-dominant wrist for 7 consecutive days.
Sleep measures will be determined using the validated Sadeh algorithm.
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Baseline, 6 Months, 18 Months
|
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Child - change physical activity
Časové okno: Baseline, 6 Months, 18 Months
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Physical activity will be assessed using the wActiSleep+ Activity Monitor (Actigraph).
Activity monitors will be worn on the child's hip for 7 consecutive days.
Validated cut-off values for physical activity for preschool children will be used to determine physical activity.
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Baseline, 6 Months, 18 Months
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Child - change in sedentary behaviour
Časové okno: Baseline, 6 Months, 18 Months
|
Sedentary behaviour will be assessed using the wActiSleep+ Activity Monitor (Actigraph).
Activity monitors will be worn on the child's hip for 7 consecutive days.
Validated cut-off values for sedentary behaviour for preschool children will be used to assess sedentary behaviour.
|
Baseline, 6 Months, 18 Months
|
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Child - change in dietary behaviour (sugar sweetened beverages, fruit and vegetable intake, etc).
Časové okno: Baseline, 6 Months, 18 Months
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To assess children's dietary intake, parents will be asked record all food and beverages that their child consumes over a 3-days period (2 weekdays and 1 weekend day).
Data will be analyzed for energy and nutrient intake via ESHA nutrient analysis software.
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Baseline, 6 Months, 18 Months
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Adult and child - change in family meals
Časové okno: Baseline, 6 Months, 18 Months
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Parents will report frequency of family meals using an item from The Home Environment Inventory.
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Baseline, 6 Months, 18 Months
|
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Adult - change in BMI
Časové okno: Baseline, 6 Months, 18 Months
|
Trained staff will use standard practices to measure adult height to the nearest 0.1 cm with a stadiometer and adult weight to the nearest 0.1 kg using a Seca scale.
BMI will be the ratio of weight (kg) to the square of standing height (m).
|
Baseline, 6 Months, 18 Months
|
|
Adult - change in waist circumference
Časové okno: Baseline, 6 Months, 18 Months
|
Trained staff will measure waist circumference at the top of the iliac crest to the nearest 0.1cm, using the NIH protocol.
|
Baseline, 6 Months, 18 Months
|
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Adult - change in % body fat
Časové okno: Baseline, 6 Months, 18 Months
|
Trained staff will measure parental body composition using air displacement plethysmography, i.e., BODPOD™.
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Baseline, 6 Months, 18 Months
|
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Adult - change in sleep duration
Časové okno: Baseline, 6 Months, 18 Months
|
Sleep duration will be assessed using the wActiSleep+ Activity Monitor (ActiGraph).
Activity monitors will be worn on the participants non-dominant wrist for 7 consecutive days.
Sleep measures will be determined using the a validated Sadeh algorithm.
|
Baseline, 6 Months, 18 Months
|
|
Adult - change in physical activity
Časové okno: Baseline, 6 Months, 18 Months
|
Physical activity will be assessed using the wActiSleep+ Activity Monitor (Actigraph).
Activity monitors will be worn on the participant's hip for 7 consecutive days.
Validated cut-off values for physical activity will be used to determine physical activity.
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Baseline, 6 Months, 18 Months
|
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Adult - change in sedentary behaviour
Časové okno: Baseline, 6 Months, 18 Months
|
Sedentary behaviour will be assessed using the wActiSleep+ Activity Monitor (Actigraph).
Activity monitors will be worn on the child's hip for 7 consecutive days.
Validated cut-off values for sedentary behaviour will be used to assess sedentary behaviour.
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Baseline, 6 Months, 18 Months
|
|
Adult - change in dietary behaviour
Časové okno: Baseline, 6 Months, 18 Months
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To assess parent's dietary intake, parents will complete one 24-hour recall using the Automated Self-Administered 24-hour-Canada (ASA24®) dietary recall system, a web-based tool that collects and codes 24-hour recalls using the Canadian Nutrient File.
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Baseline, 6 Months, 18 Months
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Adult - motivation for lifestyle change
Časové okno: Baseline, 6 Months, 18 Months
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Treatment Self-Regulation Questionnaire will be used to assess family level of autonomous motivation.
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Baseline, 6 Months, 18 Months
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Social determinants of obesity
Časové okno: Baseline, 6 Months, 18 Months
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The investigators will assess parental education, marital status, annual household income, parental work patterns, food security, parent perception of neighbourhood safety, and access to grocery stores and indoor and outdoor spaces to be physically active.
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Baseline, 6 Months, 18 Months
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Cost-effectiveness of Intervention
Časové okno: Baseline, 6 Months, 18 Months
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The cost effectiveness of the study intervention will be assessed from a societal perspective.
The direct costs associated with the intervention will be assessed, as well as health services use and indirect patient costs for both intervention and control groups.
Direct costs of the intervention will be estimated from process data collected during the intervention.
Through surveys at post-intervention, data will also be collected on costs to families for participating in the intervention, including time spent on home visits and other time costs associated with implementing the intervention recommendations.
Health services use will be collected from parents and from linkage with administrative datasets (Ontario Health Insurance Plan).
Parents will also be asked to report indirect patient costs, including number of missed school/work days.
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Baseline, 6 Months, 18 Months
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Spolupracovníci a vyšetřovatelé
Sponzor
Vyšetřovatelé
- Vrchní vyšetřovatel: Jess Haines, PhD, Unviersity of Guelph
- Ředitel studie: David Ma, PhD, University of Guelph
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Očekávaný)
Dokončení studie (Očekávaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Odhad)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
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- 14AP009
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