Sunlight Exposure and Vitamin D in Children
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|ClinicalTrials.gov Identifier: NCT01477827|
Recruitment Status : Completed
First Posted : November 23, 2011
Last Update Posted : January 16, 2013
|Condition or disease||Intervention/treatment|
|Healthy Schoolchildren||Other: None - observational study|
|Study Type :||Observational|
|Actual Enrollment :||125 participants|
|Official Title:||Sunlight Exposure and Vitamin D Status of Children in the UK|
|Study Start Date :||June 2010|
|Actual Primary Completion Date :||July 2012|
|Actual Study Completion Date :||July 2012|
Healthy adolescents aged 12-15 years
Other: None - observational study
- Serum concentration of 25-hydroxyvitamin D [ Time Frame: Approximately every 3 months ]
- Amount of sunlight exposure received [ Time Frame: Approx every 3 months ]Exposure to sunlight over 7 consecutive days is measured using polysulphone badges with one badge for weekdays and a second badge for the weekend.
- Dietary intake of vitamin D [ Time Frame: Approximately every 3 months ]Intake of foods containing vitamin D is recorded for a one week period and the average daily intake determined.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01477827
|Salford Royal NHS Foundation Trust|
|Manchester, United Kingdom, M6 8HD|
|Principal Investigator:||Lesley Rhodes, MBBS MD FRCP||University of Manchester|