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A Facebook-based Weight Loss Programme for Obese Adults in Hong Kong

22. August 2016 aktualisiert von: LAI Kam Wa, The Hong Kong Polytechnic University

Effects of a Facebook-based Weight Loss Programme for Obese Adults in Hong Kong

The purpose of this study is to determine the feasibility and efficacy of a 6-month weight loss intervention program for obese working adults through a popular social networking site - Facebook.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Obese individuals often are at higher risk for developing non-communicable diseases such as diabetes and cardiovascular disease. The regular physical activity, healthy diet and social support have been shown to be beneficial for weight loss.

This is a two-arm parallel design randomized controlled trial for 6 months. Participants who completed the baseline assessment will be randomly allocated, after stratified by gender, to either a control group or Facebook-based intervention group. The control group will receive information on healthy eating, physical activity, obesity and cancer via three government printed health pamphlets. In addition to the government health pamphlets, the intervention group will receive a programme delivered through Facebook.

The interventions include participation in a private research group on Facebook for health education, self monitoring and social support. Participants will receive 12 weekly lessons related to nutrition, physical activity, Chinese food therapy, acupressure, weight loss. A registered nutritionist and a registered Chinese medicine practitioner will join the Facebook group as health partners. Both of them are also registered nurses.

Data collection will be carried out at baseline, 3 months and 6 months. Each time, both groups will complete online questionnaires and attend in-person anthropometric measurements

Studientyp

Interventionell

Einschreibung (Tatsächlich)

59

Phase

  • Unzutreffend

Kontakte und Standorte

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

Studienorte

  • Hongkong
      • Hong Kong, Hongkong
        • The Hong Kong Polytechnic University

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

18 Jahre bis 60 Jahre (Erwachsene)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • university full-time employees;
  • age 18 to 60 years,
  • BMI of 25 to 40 kg/m2,
  • have access to Internet and Facebook;
  • able to communicate in both English and Chinese at F.5 secondary school level or above.
  • agree to communicate with Internet, email, Facebook group and respect privacy.

Exclusion Criteria:

  • Smoker;
  • an unstable medical or mental status;
  • history of myocardial infarction or stroke, or cancer in the past 5 years;
  • orthopedic or joint problems that would prohibit exercise;
  • in treatment for alcohol or drug dependency;
  • an eating disorder;
  • pregnant, breastfeeding, or planning on becoming pregnant within the next 6 months;
  • use of medication that might affect body weight;
  • a recent weight loss of more than 4.5 kg in the previous 6 months;
  • currently participating in a weight loss program;
  • organic obesity;
  • unable to attend assessments or increase physical activity.

Studienplan

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

Wie ist die Studie aufgebaut?

Designdetails

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

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Intervention Group

Lifestyle Intervention: The interventions include participation in a private research group on Facebook for health education, self monitoring and social support. Participants will receive 12 weekly lessons related to nutrition, physical activity, Chinese food therapy, acupressure, weight loss. A registered nutritionist and a registered Chinese medicine practitioner will join the Facebook group as health partners. Both of them are also registered nurses.

Besides the Facebook contents, the participants will also receive government printed health information on healthy eating, physical activity, obesity and cancers.
Verhalten: Lifestyle Intervention
East-meets-West Lifestyle Intervention elements include nutrition and exercise from the Western perspective, food therapy and acupressure from the Traditional Chinese Medicine perspective, self-monitoring, and motivational videos of successful stories from working colleagues. The group participants in the Facebook are encouraged to post their health behaviors and questions, self-monitor, pledge for weight loss, seek social support and interact with health partners and other participants.
Kein Eingriff: Control Group
The participants randomized into the Control Group will only receive government printed health information on healthy eating, physical activity, obesity and cancers.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Changes in body weight
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
Weights will be taken in light clothes without shoes using a digital scale
Measures are done in three time points: baseline, 3 months and 6 months
Changes in Body Mass Index
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
Height will be taken at baseline using a wall-mounted stadiometer. BMI will be calculated as weight (kg)/height (m2)
Measures are done in three time points: baseline, 3 months and 6 months
Changes in waist circumference
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
Waist circumference will be measured by using an inelastic tape measure
Measures are done in three time points: baseline, 3 months and 6 months

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Changes in Stages of Change
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
A 5-item questionnaire will be used to categorize participants into stages of change (pre-contemplation, contemplation, preparation, action, maintenance)
Measures are done in three time points: baseline, 3 months and 6 months
Changes in weight self-efficacy
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
Self-efficacy for weight loss will be assessed by using a 20-item Weight Efficacy Lifestyle Questionnaire (WEL).
Measures are done in three time points: baseline, 3 months and 6 months
Changes in physical activity self-efficacy
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
A questionnaire of perceived confidence to engage in physical activity under a variety of circumstances on a 5-point Likert scale will be used.
Measures are done in three time points: baseline, 3 months and 6 months
Changes in weight decisional balance
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
A 20-item questionnaire of perceived pros and cons of weight loss on a 5-point Likert scale. The balance of the two scores >0 indicate more advantages than disadvantages to weight loss
Measures are done in three time points: baseline, 3 months and 6 months
Changes in social support
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
A questionnaire will be used to measure the perceived support and sabotage from friends and family for healthy eating and physical activity
Measures are done in three time points: baseline, 3 months and 6 months
Changes in dietary intake of fruits and vegetables
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
A questionnaire will be used to assess self-reported intake of fruits and vegetables in terms of portion size and frequency
Measures are done in three time points: baseline, 3 months and 6 months
Changes in physical activity
Zeitfenster: Measures are done in three time points: baseline, 3 months and 6 months
The International Physical Activity Questionnaire will be used to assess the changes in physical activity
Measures are done in three time points: baseline, 3 months and 6 months

Mitarbeiter und Ermittler

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

Sponsor

The Hong Kong Polytechnic University

Ermittler

  • Hauptermittler: WanChaw SHAE, The Hong Kong Polytechnic University

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

1. April 2014

Primärer Abschluss (Tatsächlich)

1. Oktober 2015

Studienanmeldedaten

Zuerst eingereicht

24. November 2015

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

24. November 2015

Zuerst gepostet (Schätzen)

26. November 2015

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Schätzen)

24. August 2016

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

22. August 2016

Zuletzt verifiziert

1. August 2016

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 20131213002

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

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