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

22. august 2016 opdateret af: 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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

59

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

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

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 60 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

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.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 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.
Adfærdsmæssigt: 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.
Ingen indgriben: Control Group
The participants randomized into the Control Group will only receive government printed health information on healthy eating, physical activity, obesity and cancers.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Changes in body weight
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Changes in Stages of Change
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

The Hong Kong Polytechnic University

Efterforskere

  • Ledende efterforsker: WanChaw SHAE, The Hong Kong Polytechnic University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. april 2014

Primær færdiggørelse (Faktiske)

1. oktober 2015

Datoer for studieregistrering

Først indsendt

24. november 2015

Først indsendt, der opfyldte QC-kriterier

24. november 2015

Først opslået (Skøn)

26. november 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

24. august 2016

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

22. august 2016

Sidst verificeret

1. august 2016

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 20131213002

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

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