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Study design and hypothesis testing: issues in the evaluation of evidence from research in nutritional epidemiology
study design case-control study cohort study
2016/5/31
In addressing questions about the relations of
dietary factors to disease in human populations, epidemiologic
studies must account for the complexity of dietary habits, the
intercorrelations among ...
Efficacy and trial effectiveness of weekly and daily iron supplementation among pregnant women in rural Bangladesh:disentangling the issues
Iron supplementation pregnancy efficacy trial effectiveness weekly dose frequency Bangladesh
2016/12/20
Background: According to our current understanding, iron absorption with weekly iron supplements is not higher than that with daily supplements (ie, there is no mucosal block). However, community...
When prevalence data or other statistics related to overweight
and obesity are presented, the criteria used to obtain such information
must be defined. As described by Kuczmarski and Flegal
(1), th...
Methodologic issues in measuring physical activity and physical fitness when evaluating the role of dietary supplements for physically active people
Physical activity exercise exercise training, physical fitness
2016/6/7
Physical activity and physical fitness are complex
entities comprising numerous diverse components that
present a challenge in terms of accurate, reliable measurement.
Physical activity can be clas...