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

Not Applicable

Completed

• Conditions: Vitamin D Deficiency
• Interventions: Behavioral: an educational video; Other: wait listed

• Registration Number: NCT02118129
• Lead Sponsor: University of Guelph

Brief 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.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2014-04-16
• Study First Submitted QC: 2014-04-17
• Study First Posted: 2014-04-21
• Study Start: 2014-09
• Primary Completion: 2015-12
• Study Completion: 2016-09
• Status Verified: 2016-10
• Last Update Submitted: 2016-10-24
• Last Update Posted: 2016-10-26

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 105

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 & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Behavioural intervention	an educational video	Behavioural intervention consisting of an educational video component and use of a handheld mobile app to track vitamin D intake.
Control group	wait listed	Wait-list control group

Primary Outcome Measures

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

Secondary Outcome Measures

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

Trial Locations

Locations (1)

University of Guelph; 🇨🇦 Guelph, Ontario, Canada