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

22 agosto 2016 aggiornato da: 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.

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

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

Tipo di studio

Interventistico

Iscrizione (Effettivo)

59

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

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

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 60 anni (Adulto)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

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.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: 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.
Comportamentale: 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.
Nessun intervento: Control Group
The participants randomized into the Control Group will only receive government printed health information on healthy eating, physical activity, obesity and cancers.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Changes in body weight
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Changes in Stages of Change
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: 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

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

The Hong Kong Polytechnic University

Investigatori

  • Investigatore principale: WanChaw SHAE, The Hong Kong Polytechnic University

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 aprile 2014

Completamento primario (Effettivo)

1 ottobre 2015

Date di iscrizione allo studio

Primo inviato

24 novembre 2015

Primo inviato che soddisfa i criteri di controllo qualità

24 novembre 2015

Primo Inserito (Stima)

26 novembre 2015

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Stima)

24 agosto 2016

Ultimo aggiornamento inviato che soddisfa i criteri QC

22 agosto 2016

Ultimo verificato

1 agosto 2016

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 20131213002

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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