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Vitamin D DeficiencyNCT02118129

Vitamin D Among Young Adults: an Intervention Study Using a Mobile 'App'.

A study testing an educational video and wait listed in people with Vitamin D Deficiency, run by University of Guelph at 1 site in Canada.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to examine whether a behavioural intervention changes attitudes, knowledge, intake or blood levels of vitamin D in young adults. The hypothesis is that an educational component and use of a mobile smartphone 'app' will increase knowledge and/or intake of vitamin D. Read more about this study

Who is it for?
Ages 18 to 25 yearsHealthy volunteers can take part
Conditions the study is for
Vitamin D Deficiency
What is being tested?
an educational video and wait listed
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
105 participants
Where
1 siteCanada
Study dates
Sep 2014to Sep 2016
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 25 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Men or women aged 18-25 years
  • Must be fluent in English
  • Must be currently living in Canada
  • Must own iPhone, iPad or iPod Touch running iOS 7.0 or higher (handheld 'app' used in intervention is only available in Apple Store; not available for Android or Blackberry platforms at this time)

Who cannot join

  • Outside age group
  • Not fluent in English
  • Not living in Canada
  • Does not own the specified Apple device

Trial locations and contacts

1 site in 1 country.

Canada1 site
  • University of Guelph

    Guelph, Ontario, N1G2W1

Other trials in Canada

About this study

Official title: Knowledge, Attitudes, Intake and Blood Levels of Vitamin D Among Young Adults: an Intervention Study Using a Mobile 'App'.

The purpose of this study is to examine whether a behavioural intervention changes attitudes, knowledge, intake or blood levels of vitamin D in young adults. The hypothesis is that an educational component and use of a mobile smartphone 'app' will increase knowledge and/or intake of vitamin D.

Being tested
an educational video, wait listed
Keywords
Vitamin D, Intervention, Behaviour, Mobile app
Medical subject headings
Vitamin D Deficiency, Behavior

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • an educational videoBehavioural

  • wait listedOther

Study groups in NCT02118129
Study groupRoleWhat they receive
Behavioural interventionExperimentalBehavioural intervention consisting of an educational video component and use of a handheld mobile app to track vitamin D intake.
Receives: Behavioral: an educational video
Control groupPlacebo comparatorWait-list control group
Receives: Other: wait listed

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Vitamin D blood levels

    Blood will be collected by finger prick at baseline and after the 12-week behavioural intervention to measure 25(OH)D.

    Measured: 12 weeks

  2. Vitamin D Intake

    Vitamin D intake will be assessed using a food frequency questionnaire before and after the 12-week intervention.

    Measured: 12 weeks

Secondary outcomes (1)
  1. Knowledge & attitudes regarding vitamin D

    General knowledge \& attitudes regarding vitamin D will be assessed via online questionnaire before, mid-way and after the 12-week intervention.

    Measured: 12 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Apr 2014 (estimated)
  2. Study startSep 2014
  3. Primary completionDec 2015
  4. Study completionSep 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
105 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02118129
Sponsor's protocol ID
2014GoodmanVitD
Status last verified
Oct 2016
First submitted
16 Apr 2014
Last updated
26 Oct 2016
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Publications

  • Goodman S, Morrongiello B, Meckling K. A randomized, controlled trial evaluating the efficacy of an online intervention targeting vitamin D intake, knowledge and status among young adults. Int J Behav Nutr Phys Act. 2016 Nov 11;13(1):116. doi: 10.1186/s12966-016-0443-1.

    PubMed 27836017

Questions about this trial

What is this clinical trial studying?

A study testing an educational video and wait listed in people with Vitamin D Deficiency, run by University of Guelph at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 26 Oct 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Vitamin D blood levels (time frame: 12 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02118129, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Oct 2016.

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