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Trial registered on ANZCTR
Registration number
ACTRN12613000691741
Ethics application status
Approved
Date submitted
12/06/2013
Date registered
24/06/2013
Date last updated
29/11/2021
Date data sharing statement initially provided
29/11/2021
Date results information initially provided
29/11/2021
Type of registration
Prospectively registered
Titles & IDs
Public title
Exercise programme to improve fitness and health in adolescents
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Scientific title
Feasibility of a group-based exercise programme to improve health and increase cardiorespiratory fitness and usual activity in less-active Pacific and Maori adolescents
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Secondary ID [1]
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Nil known
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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:
Diabetes
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Cardiorespiratory fitness
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Condition category
Condition code
Cardiovascular
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0
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Normal development and function of the cardiovascular system
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Physical Medicine / Rehabilitation
289695
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0
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Other physical medicine / rehabilitation
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Exercise programme, three times per week lasting for 1- 1.5 hours after school for 12 weeks. The moderate intensity exercise sessions will be run by two post-graduate Health Science and Exercise and Sports Science students. The intervention will use the principles of motivational interviewing and involve games and exercise routines designed by the post-graduate students with advice from the Sports and Exercise supervisor and in consultation with students. A healthy snack (e.g. fruit and milk/water) will be offered at each session. The post-graduate students will discuss achieving recommended levels of physical activity in every-day life and setting physical activity goals.
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Intervention code [1]
287323
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Prevention
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Intervention code [2]
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Lifestyle
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Comparator / control treatment
No control
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Cardiorespiratory fitness at 6 weeks as assessed by the 1-mile walk test.
(Refs: Kline GM, Porcari JP, Hintermeister R, et. al. 1987. Estimation of VO2 Max from a one mile track walk, gender, age, and body weight. Medicine and Science in sports and Exercise. 19:253-59; Nieman DC (1999) Exercise Testing and Prescription: A Health-Related Approach (4th Ed.). Mountain View, CA: Mayfield Publishing Company, pp 90.)
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Assessment method [1]
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Timepoint [1]
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Baseline and 6 weeks
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Primary outcome [2]
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Insulin resistance at 6 weeks, as assessed using the homeostatic model assessment (HOMA) method from a fasting blood sample.
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Assessment method [2]
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Timepoint [2]
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Baseline and 6 weeks
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Secondary outcome [1]
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Usual physical activity levels, as assessed by the international physical activity questionnaire (IPAQ) - short form and accelerometers worn for 1 week. (A subsample will also carry smart phones and answer 2 activity questions per day for 1 week to triangulate physical activity measures)
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Assessment method [1]
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Timepoint [1]
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Baseline and 6 weeks
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Secondary outcome [2]
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Waist circumference (taken as the smallest circumference measured between the lower ribs and the iliac crest to the nearest 0.5cm).
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Assessment method [2]
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Timepoint [2]
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Baseline and 6 weeks
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Secondary outcome [3]
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Serum glycated haemoglobin (HbA1c) as measured from a blood sample
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Assessment method [3]
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Timepoint [3]
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Baseline and 6 weeks
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Secondary outcome [4]
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Blood pressure - assessed after participant has been sitting quietly for at least 5 minutes. Two measurements will be recorded with another 5 minutes between readings. The average of the two readings will be used.
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Assessment method [4]
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Timepoint [4]
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Baseline and 6 weeks
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Secondary outcome [5]
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Serum lipid profile - assessed by fasting blood test.
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Assessment method [5]
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Timepoint [5]
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Baseline and 6 weeks
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Eligibility
Key inclusion criteria
Adolescents attending a local secondary school with a predominantly Pacific and Maori role and within a lower socio-economic region, who are not currently participating in regular sporting or exercise (less than 2 sessions per week).
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Minimum age
13
Years
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Maximum age
18
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
Participating in two or more regular sporting or exercise sessions per week.
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Study design
Purpose of the study
Prevention
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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)
No randomisation
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
No randomisation
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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
Pilot
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
Regression models
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
24/06/2013
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Actual
24/06/2013
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Date of last participant enrolment
Anticipated
30/08/2013
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Actual
8/08/2013
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Date of last data collection
Anticipated
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Actual
25/09/2013
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Sample size
Target
30
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Accrual to date
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Final
18
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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Ministry of Health
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Address [1]
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Pacific Grant Fund
PO Box 5834
Lambton Quay
WELLINGTON 6145
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Country [1]
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New Zealand
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Primary sponsor type
University
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Name
Department of General Practice & Primary Health Care, University of Auckland,
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Address
Private Bag 92019,
Auckland,
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Country
New Zealand
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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University of Auckland Human Participants Ethics Committee
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Ethics committee address [1]
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Private Bag 92019,
Auckland
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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16/05/2013
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Approval date [1]
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19/06/2013
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Ethics approval number [1]
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UAHPEC 9819
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Summary
Brief summary
The aim of this pilot study is to test the feasibility of a group-based exercise program over 6 weeks, test research processes and explore effects on cardio-respiratory fitness (VO2max), insulin resistance, glycosylated haemoglobin (HbAlc), blood pressure, waist circumference, and physical activity levels in less-active Pacific and Maori adolescents at a local decile 1 secondary school.
Methods:
Study design: Before-after study
Setting: Community gym
Study population: Adolescents attending low decile college who are doing less than two organised exercise or sports sessions per week on a regular basis.
Intervention: 6 week exercise program, three times per week lasting for 1- 1.5 hours. The exercise sessions were run by post-graduate Health Science and Exercise and Sports Science students. The intervention used the principles of motivational interviewing and involved games and exercise routines designed by the post-graduate students with advice from the Sports and Exercise supervisor and in consultation with students. A healthy snack (e.g. fruit and milk/water) was offered at each session. The post-graduate students discussed achieving recommended levels of physical activity in every-day life and setting physical activity goals.
Outcome measures were collected after informed consent and immediately before the start of the 6-week exercise program.
Primary outcome measures: (assessed at baseline and 6 weeks)
1. Cardio-respiratory fitness (VO2max): as assessed by the ‘1-mile walk test’.
2. Insulin resistance: calculated according to Homeostatic Model, using fasting blood glucose and insulin levels 2
Secondary outcomes: (assessed at baseline and 6 weeks)
1. Usual physical activity levels: using the short form of the international physical activity questionnaire (IPAQ)3, (and accelerometer and smart phone on a sub-sample)
2. Waist circumference
3. HbA1c
4. Blood pressure
5. Fasting lipid profile
Attendance at exercise sessions and any injuries was also recorded.
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Trial website
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Trial related presentations / publications
1. CHANSAVANG Y, ELLEY CR, MCCAFFREY B, DAVIDSON C, DEWES O, DALLECK L, Feasibility of an after-school group-based exercise and lifestyle programme to improve cardiorespiratory fitness and health in less-active Pacific and Maori adolescents, Journal of Primary Health Care, 2015, Vol 7 (1), pp 57-64
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Public notes
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Contacts
Principal investigator
Name
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A/Prof Carolyn Raina Elley
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Address
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Dept General Practice and Primary Health Care,
University of Auckland,
Private Bag 92019
Auckland
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Country
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New Zealand
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Phone
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+64 9 3737599
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Fax
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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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A/Prof Carolyn Raina Elley
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Address
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Dept General Practice and Primary Health Care,
University of Auckland,
Private Bag 92019
Auckland
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Country
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New Zealand
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Phone
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+64 9 3737599
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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A/Prof Carolyn Raina Elley
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Address
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Dept General Practice and Primary Health Care,
University of Auckland,
Private Bag 92019
Auckland
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Country
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New Zealand
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Phone
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+64 9 3737599
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Fax
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Email
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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)?
No
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No/undecided IPD sharing reason/comment
I don't have the resources to arrange this
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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
Type
Is Peer Reviewed?
DOI
Citations or Other Details
Attachment
Study results article
Yes
CHANSAVANG Y, ELLEY CR, MCCAFFREY B, DAVIDSON C, D...
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