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Guelph Family Health Study: Full Study (GFHS)

18. September 2018 aktualisiert von: Jess Haines, University of Guelph
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 investigators 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 will also assess the cost-effectiveness of the intervention from a societal perspective.

Studienübersicht

Status

Unbekannt

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

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.

Studientyp

Interventionell

Einschreibung (Voraussichtlich)

900

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Kanada
    • Ontario
      • Guelph, Ontario, Kanada, N1G 2W1
        • Rekrutierung
        • Univeristy of Guelph
        • Kontakt:
        • Kontakt:
        • Hauptermittler:
          • Jess Haines, PhD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

1 Jahr und älter (Kind, Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Ja

Studienberechtigte Geschlechter

Alle

Beschreibung

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.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Verhütung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Single

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Control
Families randomized to control will receive monthly emails containing publicly available handouts on general child health.
Verhalten: Control
monthly emails with general health information
Experimental: 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.
Verhalten: Intervention - 4 Home Visits
4 home visits from a health educator, weekly e-mails, and monthly mailed behavioural supports.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Child - change in BMI
Zeitfenster: 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).
Baseline, 6 Months and 18 Months

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Child - change in waist circumference
Zeitfenster: 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
Child - change in % body fat
Zeitfenster: 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.
Baseline, 6 Months, 18 Months
Child - change in sleep duration
Zeitfenster: 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.
Baseline, 6 Months, 18 Months
Child - change physical activity
Zeitfenster: Baseline, 6 Months, 18 Months
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.
Baseline, 6 Months, 18 Months
Child - change in sedentary behaviour
Zeitfenster: 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
Child - change in dietary behaviour (sugar sweetened beverages, fruit and vegetable intake, etc).
Zeitfenster: Baseline, 6 Months, 18 Months
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.
Baseline, 6 Months, 18 Months
Adult and child - change in family meals
Zeitfenster: Baseline, 6 Months, 18 Months
Parents will report frequency of family meals using an item from The Home Environment Inventory.
Baseline, 6 Months, 18 Months
Adult - change in BMI
Zeitfenster: 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
Zeitfenster: 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
Adult - change in % body fat
Zeitfenster: Baseline, 6 Months, 18 Months
Trained staff will measure parental body composition using air displacement plethysmography, i.e., BODPOD™.
Baseline, 6 Months, 18 Months
Adult - change in sleep duration
Zeitfenster: 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
Zeitfenster: 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.
Baseline, 6 Months, 18 Months
Adult - change in sedentary behaviour
Zeitfenster: 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.
Baseline, 6 Months, 18 Months
Adult - change in dietary behaviour
Zeitfenster: Baseline, 6 Months, 18 Months
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.
Baseline, 6 Months, 18 Months
Adult - motivation for lifestyle change
Zeitfenster: Baseline, 6 Months, 18 Months
Treatment Self-Regulation Questionnaire will be used to assess family level of autonomous motivation.
Baseline, 6 Months, 18 Months
Social determinants of obesity
Zeitfenster: Baseline, 6 Months, 18 Months
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.
Baseline, 6 Months, 18 Months
Cost-effectiveness of Intervention
Zeitfenster: Baseline, 6 Months, 18 Months
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.
Baseline, 6 Months, 18 Months

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

University of Guelph

Ermittler

  • Hauptermittler: Jess Haines, PhD, Unviersity of Guelph
  • Studienleiter: David Ma, PhD, University of Guelph

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

1. Juni 2017

Primärer Abschluss (Voraussichtlich)

1. Juni 2020

Studienabschluss (Voraussichtlich)

1. September 2020

Studienanmeldedaten

Zuerst eingereicht

13. Oktober 2016

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

17. Oktober 2016

Zuerst gepostet (Schätzen)

20. Oktober 2016

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

20. September 2018

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

18. September 2018

Zuletzt verifiziert

1. September 2018

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • 14AP009

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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