A Facebook-based Weight Loss Programme for Obese Adults in Hong Kong
Effects of a Facebook-based Weight Loss Programme for Obese Adults in Hong Kong
Przegląd badań
Szczegółowy opis
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
Typ studiów
Zapisy (Rzeczywisty)
Faza
- Nie dotyczy
Kontakty i lokalizacje
Lokalizacje studiów
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Hong Kong, Hongkong
- The Hong Kong Polytechnic University
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Kryteria uczestnictwa
Kryteria kwalifikacji
Wiek uprawniający do nauki
Akceptuje zdrowych ochotników
Płeć kwalifikująca się do nauki
Opis
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.
Plan studiów
Jak projektuje się badanie?
Szczegóły projektu
- Główny cel: Leczenie
- Przydział: Randomizowane
- Model interwencyjny: Przydział równoległy
- Maskowanie: Pojedynczy
Broń i interwencje
Grupa uczestników / Arm |
Interwencja / Leczenie |
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Eksperymentalny: 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. |
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.
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Brak interwencji: Control Group
The participants randomized into the Control Group will only receive government printed health information on healthy eating, physical activity, obesity and cancers.
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Co mierzy badanie?
Podstawowe miary wyniku
Miara wyniku |
Opis środka |
Ramy czasowe |
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Changes in body weight
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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Weights will be taken in light clothes without shoes using a digital scale
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in Body Mass Index
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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Height will be taken at baseline using a wall-mounted stadiometer.
BMI will be calculated as weight (kg)/height (m2)
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in waist circumference
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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Waist circumference will be measured by using an inelastic tape measure
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Measures are done in three time points: baseline, 3 months and 6 months
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Miary wyników drugorzędnych
Miara wyniku |
Opis środka |
Ramy czasowe |
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Changes in Stages of Change
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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A 5-item questionnaire will be used to categorize participants into stages of change (pre-contemplation, contemplation, preparation, action, maintenance)
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in weight self-efficacy
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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Self-efficacy for weight loss will be assessed by using a 20-item Weight Efficacy Lifestyle Questionnaire (WEL).
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in physical activity self-efficacy
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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A questionnaire of perceived confidence to engage in physical activity under a variety of circumstances on a 5-point Likert scale will be used.
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in weight decisional balance
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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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
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in social support
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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A questionnaire will be used to measure the perceived support and sabotage from friends and family for healthy eating and physical activity
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in dietary intake of fruits and vegetables
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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A questionnaire will be used to assess self-reported intake of fruits and vegetables in terms of portion size and frequency
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Measures are done in three time points: baseline, 3 months and 6 months
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Changes in physical activity
Ramy czasowe: Measures are done in three time points: baseline, 3 months and 6 months
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The International Physical Activity Questionnaire will be used to assess the changes in physical activity
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Measures are done in three time points: baseline, 3 months and 6 months
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Współpracownicy i badacze
Śledczy
- Główny śledczy: WanChaw SHAE, The Hong Kong Polytechnic University
Daty zapisu na studia
Główne daty studiów
Rozpoczęcie studiów
Zakończenie podstawowe (Rzeczywisty)
Daty rejestracji na studia
Pierwszy przesłany
Pierwszy przesłany, który spełnia kryteria kontroli jakości
Pierwszy wysłany (Oszacować)
Aktualizacje rekordów badań
Ostatnia wysłana aktualizacja (Oszacować)
Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości
Ostatnia weryfikacja
Więcej informacji
Terminy związane z tym badaniem
Słowa kluczowe
Dodatkowe istotne warunki MeSH
Inne numery identyfikacyjne badania
- 20131213002
Plan dla danych uczestnika indywidualnego (IPD)
Planujesz udostępniać dane poszczególnych uczestników (IPD)?
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