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
연구 개요
상세 설명
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
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Hong Kong, 홍콩
- The Hong Kong Polytechnic University
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
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.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 하나의
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: 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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간섭 없음: 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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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Changes in body weight
기간: 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
기간: 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
기간: 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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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Changes in Stages of Change
기간: 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
기간: 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
기간: 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
기간: 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
기간: 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
기간: 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
기간: 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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공동 작업자 및 조사자
수사관
- 수석 연구원: WanChaw SHAE, The Hong Kong Polytechnic University
연구 기록 날짜
연구 주요 날짜
연구 시작
기본 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (추정)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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