Vitamin D3 and Obesity Study
Author Information
Author(s): Anne-Thea McGill, Joanna M Stewart, Fiona E Lithander, Caroline M Strik, Sally D Poppitt
Primary Institution: University of Auckland
Hypothesis
How is vitamin D3 related to measures of fat mass, metabolic syndrome markers, and type II diabetes in overweight and obese adults?
Conclusion
Low serum vitamin D3 is inversely related to weight, BMI, and markers of type II diabetes, but not to total fat mass or metabolic syndrome.
Supporting Evidence
- Vitamin D3 levels were inversely related to body weight and BMI.
- No significant relationship was found between vitamin D3 and total body fat percentage.
- The study included a diverse ethnic population in Auckland, New Zealand.
Takeaway
This study found that people who are overweight or obese often have low levels of vitamin D3, which is linked to health issues like diabetes.
Methodology
Cross-sectional analysis of 250 overweight and obese adults measuring vitamin D3 levels and various health markers.
Potential Biases
Potential biases related to self-reported data and participant selection.
Limitations
The study's cross-sectional design limits the ability to establish cause and effect.
Participant Demographics
Participants included 200 women and 43 men of various ethnicities, primarily overweight and obese.
Statistical Information
P-Value
p = 0.0009 for weight, p = 0.005 for BMI, p = 0.03 for waist
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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