Development and Dissemination of an Online Exercise and Health Promotion Program for Hong Kong Middle-aged Chinese: The Virtual Trainer System 3rd Version
Sponsor study identifier
interventional
261
1 country
1
Study Start
October 2015
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
October 30, 2017
Actual (reported)Study Completion
October 30, 2017
Actual (reported)Practicing a habitual physical activity is important for health. A Virtual Trainer (VT) online system was developed in 2006 (1st version) and improved in 2010 (2nd version) for encouraging an active lifestyle. This project intends to further improve the VT (3rd version) which incorporates more effective psychological and e-health theories, and disseminate it to Hong Kong middle-aged adults.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
October 30, 2017
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
February 17, 2015
Actual (reported)September 18, 2015
Actual (reported)October 2015
Date type not reportedThis date has not been verified as actual or estimated.
October 30, 2017
Actual (reported)October 30, 2017
Actual (reported)Changes of physical activity level as measures by accelerometer and International Physical Activity Questionnaire
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Changes of cardio-respiratory fitness as measured by the symptom limited maximal treadmill exercise test using the metabolic analyzer (Cosmed K4b2, Italy)
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Changes of resting VO2 (ml•min-1•kg-1) as measured by the metabolic analyzer (Cosmed K4b2, Italy)
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Changes of resting kilocalorie expenditure (KCal in KCal•min-1) as measured by the metabolic analyzer (Cosmed K4b2, Italy)
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Changes of resting heart rate (HR in beats•min-1) as measured by heart rate monitor
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Changes of body weight as measured by weighting scale
Measures will be done at four time points: baseline, 3 months, 6 months, and 9 months
Participants in this group attended the "VT3" program (with Automatic HR detection)
Participants in this group attended the "VT2" program (self PA report)
Participants in this group did not receive any VT treatment, and live as usual.
Participants in intervention group will under the instruction of a web-based computer software termed "Virtual Trainer", which interact with their smartphone apps, to conduct a 3-month self-planned PA training program. A serious of online video seminars related to healthy lifestyle advice will be released to the participants among 3 months. After that, 6 months observation will be followed.
The Chinese University of Hong Kong
Hong Kong, Hong Kong
Hui SS, Xie YJ, Kwok RC, Tam EW, Mak WWS, Mo PK. Follow Your Virtual Trainer (FYVT): a randomised controlled trial protocol of IT-based lifestyle intervention programme to promote physical activity and health among middle-aged Hong Kong Chinese. BMJ Open. 2018 Feb 3;8(2):e017908. doi: 10.1136/bmjopen-2017-017908.
Stanley Sai-chuen Hui, EdD
Chinese University of Hong Kong
261 participants (actual enrollment reported by the registry).
First Submitted
February 17, 2015
First Posted
September 18, 2015
Cardiovascular Risk in Sedentary Elderly During Prolonged Sitting Time Versus Intermittent Sitting Time
A written advice of daily PA recommendation, and the textual content of the healthy lifestyle seminars will be provided to the participants.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Study Start
October 2015
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
October 30, 2017
Actual (reported)Study Completion
October 30, 2017
Actual (reported)Last Updated
July 25, 2019
Record last verified: 2019-07
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Source: ClinicalTrials.gov.
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