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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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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Healthy schoolchildren |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in serum concentration of 25-hydroxyvitamin D | Serum vitamin D will be assessed every 3 months over a period of 1 year | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| 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. | 1 year |
| Change in dietary intake of vitamin D |
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Inclusion Criteria:
Exclusion Criteria:
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Schoolchildren of South Asian ethnicity in Greater Manchester
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| Name | Affiliation | Role |
|---|---|---|
| Lesley Rhodes, MD FRCP(UK) | University of Manchester | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Salford Royal NHS Foundation Trust | Manchester | M6 8HD | United Kingdom |
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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. |
| 1 year |