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

University of Manchester131 enrolled

Overview

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.

Study Type

OBSERVATIONAL

Enrollment

131

Conditions

Healthy Volunteers

Eligibility

Sex: ALLMin age: 12 YearsMax age: 15 YearsHealthy volunteers:

Medical Language ↔ Plain English

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

Locations (1)

Salford Royal NHS Foundation Trust

Manchester, United Kingdom

Outcomes

Primary Outcomes

Change in serum concentration of 25-hydroxyvitamin D

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

Time frame: 1 year

Secondary Outcomes

Change in sunlight exposure received

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.

Time frame: 1 year

Change in dietary intake of vitamin D

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.

Time frame: 1 year

Data from ClinicalTrials.gov

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