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

October 24, 2016 updated by: Kelly Anne Meckling, PhD, University of Guelph

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.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

105

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Guelph, Ontario, Canada, N1G2W1
        • University of Guelph

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 25 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 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)

Exclusion Criteria:

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Behavioural intervention
Behavioural intervention consisting of an educational video component and use of a handheld mobile app to track vitamin D intake.
Behavioral: an educational video
Placebo Comparator: Control group
Wait-list control group
Other: wait listed

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Vitamin D blood levels
Time Frame: 12 weeks
Blood will be collected by finger prick at baseline and after the 12-week behavioural intervention to measure 25(OH)D.
12 weeks
Vitamin D Intake
Time Frame: 12 weeks
Vitamin D intake will be assessed using a food frequency questionnaire before and after the 12-week intervention.
12 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Knowledge & attitudes regarding vitamin D
Time Frame: 12 weeks
General knowledge & attitudes regarding vitamin D will be assessed via online questionnaire before, mid-way and after the 12-week intervention.
12 weeks

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Vitamin D app recordings
Time Frame: 12 weeks
Participants will enter their intake of foods & beverages into a handheld mobile 'app'. The data will produce a daily total intake of calcium & vitamin D. This data will be analyzed to assess changes in vitamin D intake throughout the 12-week intervention.
12 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Guelph

Collaborators

Canadian Institutes of Health Research (CIHR)
Vitamin D Society

Investigators

  • Principal Investigator: Kelly A Meckling, PhD, University of Guelph
  • Study Director: Samantha E Goodman, MSc, University of Guelph
  • Study Director: Barbara A Morrongiello, PhD, University of Guelph

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2014

Primary Completion (Actual)

December 1, 2015

Study Completion (Actual)

September 1, 2016

Study Registration Dates

First Submitted

April 16, 2014

First Submitted That Met QC Criteria

April 17, 2014

First Posted (Estimate)

April 21, 2014

Study Record Updates

Last Update Posted (Estimate)

October 26, 2016

Last Update Submitted That Met QC Criteria

October 24, 2016

Last Verified

October 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2014GoodmanVitD

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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