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

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.

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Key information

Conditions

Healthy Volunteers

Age range

12 year–15 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Salford Royal NHS Foundation Trust

Manchester, M6 8HD, United Kingdom

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

Primary outcomes

Change in serum concentration of 25-hydroxyvitamin D

Time frame: 1 year

Serum vitamin D will be assessed every 3 months over a period of 1 year

Secondary outcomes

Change in sunlight exposure received

Time frame: 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.
Change in dietary intake of vitamin D

Time frame: 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.

Sponsors and collaborators

Lead sponsor

University of Manchester

Other

Registry information

Important dates

Study start: 2012
Primary completion: 2013
Study completion: 2014
First posted: Jun 20, 2012
Registry last updated: Feb 5, 2015

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed