Sunlight Exposure and Vitamin D in Children

University of Manchester125 enrolled

Overview

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

Study Type

OBSERVATIONAL

Enrollment

125

Conditions

Healthy Schoolchildren

Interventions

None - observational studyOTHER

Eligibility

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

Medical Language ↔ Plain English

Inclusion Criteria: * Healthy school children aged 12-15 years * White Caucasian * Male or female Exclusion Criteria: * History of photosensitivity disorder

Locations (1)

Salford Royal NHS Foundation Trust

Manchester, United Kingdom

Outcomes

Primary Outcomes

Serum concentration of 25-hydroxyvitamin D

Time frame: Approximately every 3 months

Secondary Outcomes

Amount of 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.

Time frame: Approx every 3 months

Dietary intake of vitamin D

Intake of foods containing vitamin D is recorded for a one week period and the average daily intake determined.

Time frame: Approximately every 3 months

Data from ClinicalTrials.gov

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