Sunlight Exposure and Vitamin D Status of Children of South Asian Ethnicity Living in the UK

Completed

• Conditions: Healthy Volunteers

• Registration Number: NCT01623414
• Lead Sponsor: University of Manchester

Brief Summary

The purpose of this study is to examine the amount of sunlight exposure and vitamin D status of adolescent schoolchildren of South Asian ethnicity in each season throughout the year.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2012-06-13
• Study First Submitted QC: 2012-06-15
• Study First Posted: 2012-06-20
• Study Start: 2012-09
• Primary Completion: 2013-10
• Study Completion: 2014-10
• Status Verified: 2015-02
• Last Update Submitted: 2015-02-04
• Last Update Posted: 2015-02-05

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 131

Inclusion Criteria

• Healthy schoolchildren aged 12-15 years
• Sun-reactive skin type V (naturally brown skin)
• South Asian ethnicity
• Male or female

Exclusion Criteria

• History of photosensitivity disorder
• Non-ambulant

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Change in serum concentration of 25-hydroxyvitamin D	1 year	Serum vitamin D will be assessed every 3 months over a period of 1 year

Secondary Outcome Measures

Name	Time	Method
Change in dietary intake of vitamin D	1 year	Intake of foods containing vitamin D is recorded for a one week period once every 3 months over a period of 1 year and the average daily intake determined.
Change in sunlight exposure received	1 year	Exposure to sunlight over 7 consecutive days is measured using polysulphone badges with one badge for weekdays and a second badge for the weekend. Exposure is assessed every 3 months for 1 year.

Trial Locations

Locations (1)

Salford Royal NHS Foundation Trust; 🇬🇧 Manchester, United Kingdom