Prevalence and Predictors of Vitamin D Insufficiency in Children: A Great Britain Population Based Study
2011

Vitamin D Insufficiency in Children in Great Britain

Sample size: 1102 publication Evidence: high

Author Information

Author(s): Michael Absoud, Carole Cummins, Ming J. Lim, Evangeline Wassmer, Nick Shaw

Primary Institution: University of Birmingham

Hypothesis

What are the prevalence and predictors of vitamin D insufficiency in children in Great Britain?

Conclusion

Vitamin D insufficiency is prevalent in children, especially among adolescents and non-white children, indicating a need for targeted prevention strategies.

Supporting Evidence

  • 35% of children had insufficient vitamin D levels.
  • Adolescents had a 3.6 times higher risk of vitamin D insufficiency compared to younger children.
  • Non-white children had a 37 times higher risk of vitamin D insufficiency compared to white children.
  • Children on income support had lower vitamin D levels.
  • Less outdoor exercise and more TV watching were associated with higher risk of vitamin D insufficiency.

Takeaway

Many kids in Great Britain don't get enough vitamin D, especially older kids and those with darker skin, so we need to help them get more.

Methodology

A nationally representative cross-sectional survey of children aged 4–18 years, collecting data on dietary habits, physical activity, and blood samples.

Potential Biases

Potential bias due to the study being set in 1998 and not externally validated in different populations.

Limitations

The study was conducted in 1998, and the prevalence of risk factors may have changed since then; also, sunscreen data was not available.

Participant Demographics

Children aged 4–18 years, predominantly white (999 out of 1102), with 570 males.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI 60.4–63.7

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0022179

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