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Trial registered on ANZCTR
Registration number
ACTRN12624001012561p
Ethics application status
Not yet submitted
Date submitted
6/08/2024
Date registered
20/08/2024
Date last updated
20/08/2024
Date data sharing statement initially provided
20/08/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
Effect of education and e-bikes on rates of physical activity in sedentary adults
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Scientific title
Effect of MI-CBT and e-bikes on rates of physical activity in sedentary adults
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Secondary ID [1]
312632
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None
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
sedentary behaviour
334695
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Condition category
Condition code
Physical Medicine / Rehabilitation
331262
331262
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0
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Other physical medicine / rehabilitation
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Cardiovascular
331339
331339
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0
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Normal development and function of the cardiovascular system
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The study will require participants to attend two laboratorial sessions to complete the following:
• The Physical activity stage of change questionnaire
• The International physical activity questionnaire-short form (IPAQ-SF)
• A bespoke process evaluation questionnaire (at post-testing only)
• The Barriers to Being Active Quiz
• 24-hr food record
• Stature and body mass
• Cardiometabolic health outcomes; resting blood pressure and fasted blood glucose
• Cardiorespiratory fitness: Graded exercise test to assess peak oxygen consumption (VO2peak).
• Maximal leg power: Vertical jump.
After completing these questionnaires and tests, participants will be provided with an e-bike (a pedal-powered bicycle with electric motor assistance) to ride on an indoor circuit for 10-min, to familiarise with the equipment. Participants will then be asked to rank their likelihood of using an e-bike from a visual analogue scale (VAS) where zero will indicate ‘very unlikely’ and ten will indicate ‘very likely’. Participants will then be asked to record reasons for their given VAS score. Motion during the 10-min ride will be collected using a portable motion capture system to determine balance and steering of the e-bike.
Laboratory testing will be conducted before the use of an e-bike, and after 4 weeks of using an e-bike. Participants will also be asked to use, as often as possible, an e-bike for 4 weeks before returning to the laboratory for testing. Travel data from their e-bike use will be monitored using the e-bike odometer. After this, they will return to the laboratory to repeat the tests. We expect that pre and post intervention tests will require a total of 60-min in each visit, along with 4 weeks of use of the e-bike.
Motivational Interviewing with Cognitive Behavior Therapy (MI-CBT) will be incorporated into weekly audio meeting for participants (15-20 min each) with a trained member of the research team to discuss weekly the participants goals and expectations from the exercise intervention, past experiences with physical activity, how to identify potential barriers to long-term physical activity and strategies to overcome the identified barriers. Research team will implement MI-CBT strategies including open ended questions, affirmations, reflection, and summary to guide the participants through the intervention for four weeks engaging individually with participants.
Adherence to the intervention would be through Polar Flow, with adherence to the MI-CBT intervention session attendance.
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Intervention code [1]
329221
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Behaviour
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Intervention code [2]
329222
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Prevention
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Volume of physical activity measured using the IPAQ before vs. after the intervention
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Assessment method [1]
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International Physical Activity Questionnaire
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Timepoint [1]
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Before vs. after completion of the intervention program
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Secondary outcome [1]
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Changes in body mass
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Assessment method [1]
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Weight scales
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Timepoint [1]
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Before vs. after completion of the intervention program
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Secondary outcome [2]
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Cardiorespiratory fitness (VO2max)
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Assessment method [2]
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VO2max cycling test using a metabolic cart
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Timepoint [2]
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Before vs. after completion of the intervention program
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Secondary outcome [3]
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Muscular power
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Assessment method [3]
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Vertical jump using a werable accelerometer
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Timepoint [3]
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Before vs. after completion of the intervention program
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Secondary outcome [4]
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Blood pressure
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Assessment method [4]
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Automated sphygmomanometer
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Timepoint [4]
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Before vs. after completion of the intervention program
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Secondary outcome [5]
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Capillary glucose
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Assessment method [5]
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Capilary glucose monitoring
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Timepoint [5]
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Before vs. after completion of the intervention program
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Eligibility
Key inclusion criteria
Participants eligible for the study will be apparently healthy adults (18-to less than 65 years of age).
No medical contra-indication to perform exercise, no musculoskeletal, neurological or cardiorespiratory illness. Participants who are familiarised with bicycle riding will be eligible to participate in this study. This will involve prior experience riding a bicycle. Participants should not be meeting the current guidelines for physical activity (i.e. 75 min of vigorous exercise or 150 min of moderate intensity exercise or an equivalent combination of moderate-vigorous exercise per week).
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Minimum age
18
Years
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Maximum age
64
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Medical contra-indication to perform exercise, musculoskeletal, neurological or cardiorespiratory illness, no prior experience using a bicycle, and meeting the current guidelines for physical activity (i.e. 75 min of vigorous exercise or 150 min of moderate intensity exercise or an equivalent combination of moderate-vigorous exercise per week).
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Study design
Purpose of the study
Educational / counselling / training
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
Data distribution will be analysed using the Shapiro-Wilks tests. If normality of distribution is confirmed, parametric tests will be used.
For levels of physical activity before and after the intervention (primary outcome), data from the current physical activity participation questionnaire will be utilised to describe change in physical activity from the intervention.
Correlations between changes in health, cardiorespiratory and musculoskeletal health in relation to the physical activity performed during the intervention will be analysed. Correlations coefficients were ranked as poor (0–0.5), moderate (0.5–0.75), good (0.75–0.90), and excellent (> 0.9) (Dancey & Reidy, 2004). Statistical differences were deemed significant when p<0.05.
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/11/2024
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Actual
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Date of last participant enrolment
Anticipated
31/10/2025
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Actual
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Date of last data collection
Anticipated
28/11/2025
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Actual
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Sample size
Target
19
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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La Trobe University - Holsworth Research Initiative
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Address [1]
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Country [1]
317067
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Australia
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Primary sponsor type
University
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Name
La Trobe University - Holsworth Research Initiative
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Address
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Country
Australia
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Secondary sponsor category [1]
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None
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Name [1]
319316
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Address [1]
319316
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Country [1]
319316
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
315815
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La Trobe University Human Ethics Committee
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Ethics committee address [1]
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https://www.latrobe.edu.au/researchers/research-office/ethics/human-ethics
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
315815
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06/09/2024
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Approval date [1]
315815
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Ethics approval number [1]
315815
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Summary
Brief summary
The question of this study is: Would access to e-bikes combined with behavioural support enable sedentary adults to improve their levels of physical activity? The study aims at exploring the effects of e-biking combined with behavioural support on levels of physical activity. The hypothesis is that the MI-CBT supported intervention results in attainment of physical activity guidelines among previously inactive participants.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Rodrigo Rico Bini
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Address
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La Trobe Rural Health School, Flora Hill Campus. Sharon Street, Flora Hill, Victoria (3550)
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Country
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Australia
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Phone
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+61 03 54447466
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Fax
135894
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Email
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[email protected]
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Contact person for public queries
Name
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Rodrigo Rico Bini
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Address
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La Trobe Rural Health School, Flora Hill Campus. Sharon Street, Flora Hill, Victoria (3550)
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Country
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Australia
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Phone
135895
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+61 03 54447466
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Fax
135895
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Email
135895
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[email protected]
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Contact person for scientific queries
Name
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Rodrigo Rico Bini
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Address
135896
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La Trobe Rural Health School, Flora Hill Campus. Sharon Street, Flora Hill, Victoria (3550)
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Country
135896
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Australia
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Phone
135896
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+61 03 54447466
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Fax
135896
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Email
135896
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Non-identified summarised data will be included in the publication as supplementary materials.
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When will data be available (start and end dates)?
When paper is published. No end date
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Available to whom?
All of those with access to the paper
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Available for what types of analyses?
Follow-up analysis, systematic reviews and meta-analyses.
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How or where can data be obtained?
Through the publication link contacting the chief-investigator (Rodrigo Bini -
[email protected]
)
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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