Vitamin D Deficiency
Conditions
Keywords
Vitamin D, Intervention, Behaviour, Mobile app
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.
Interventions
BEHAVIORALan educational video
OTHERwait listed
Sponsors
Canadian Institutes of Health Research (CIHR)
Vitamin D Society
University of Guelph
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
SINGLE (Subject)
Eligibility
Sex/Gender
ALL
Age
18 Years to 25 Years
Healthy volunteers
Yes
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
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| 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. |
| Vitamin D Intake | 12 weeks | Vitamin D intake will be assessed using a food frequency questionnaire before and after the 12-week intervention. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| 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. |
Other
| Measure | Time frame | Description |
|---|---|---|
| Vitamin D app recordings | 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. |
Countries
Canada
Outcome results
None listed