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Open Access 01-12-2019 | Vitamin D Deficiency | Protocol

Study protocol: Worldwide comparison of vitamin D status of immigrants from different ethnic origins and native-born populations—a systematic review and meta-analysis

Authors: Said Yousef, Jesse Elliott, Douglas Manuel, Ian Colman, Manny Papadimitropoulos, Alomgir Hossain, Nathalie Leclair, George A. Wells

Published in: Systematic Reviews | Issue 1/2019

Abstract

Background

A growing body of literature indicates that, worldwide, immigrants experience health deterioration after their arrival into their adopted country, and moreover, they have lower vitamin D compared to the native-born population. We plan to review if the levels of vitamin D are comparable between different ethnic groups in different regions of the world with those of native-born populations and to identify the possible associations between vitamin D deficiency and disease status among immigrants.

Methods/design

A systematic review and meta-analysis will be conducted following the methods of the Cochrane handbook for systematic reviews. A literature search was performed to identify studies on immigrants and vitamin D. The primary outcome is vitamin D levels, and the secondary outcome is any vitamin D deficiency-related disease. Study design and participant characteristics will be extracted, including ethnicity, country of birth and/or origin, and the host country. Descriptive and meta-analytic summaries of the outcomes will be derived. Distiller-SR and RevMan will be used respectively for data management and meta-analysis.

Discussion

This systematic review may partially help clarify vitamin D-related health deterioration in migrants; moreover, to develop a global guideline that specifies sub-populations, in which the evidence and vitamin D-related recommendations might differ from the overall immigrant population.

Systematic review registration

PROSPERO CRD42018086729

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Title: Study protocol: Worldwide comparison of vitamin D status of immigrants from different ethnic origins and native-born populations—a systematic review and meta-analysis
Authors: Said Yousef
Jesse Elliott
Douglas Manuel
Ian Colman
Manny Papadimitropoulos
Alomgir Hossain
Nathalie Leclair
George A. Wells
Publication date: 01-12-2019
Publisher: BioMed Central
Keyword: Vitamin D Deficiency
Published in: Systematic Reviews / Issue 1/2019
Electronic ISSN: 2046-4053
DOI: https://doi.org/10.1186/s13643-019-1123-4

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Study protocol: Worldwide comparison of vitamin D status of immigrants from different ethnic origins and native-born populations—a systematic review and meta-analysis

Abstract

Background

Methods/design

Discussion

Systematic review registration

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods/design

Discussion

Systematic review registration

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