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Determining sample size adequacy for animal model studies in nutrition research: limits and ethical challenges of ordinary power calculation procedures
(Taylor & Francis, 2020)
Animal models are widely used in the field of nutrition research. Scientifically and ethically sound experiments need an adequate number of experimental units. The use of 5-10 units is common, but such sample sizes can be ...
Diet and sedentary behaviour in relation to mortality in US adults with a cardiovascular condition: results from the National Health and Nutrition Examination Survey linked to the US mortality registry
(Cambridge Univ Pess, 2020)
CVD is the most common chronic condition and the highest cause of mortality in the USA. The aim of the present work was to investigate diet and sedentary behaviour in relation to mortality in US CVD survivors. The National ...
Missing data imputation via the expectation-maximization algorithm can improve principal component analysis aimed at deriving biomarker profiles and dietary patterns
(Elsevier, 2020)
Principal component analysis (PCA) is a popular statistical tool. However, despite numerous advantages, the good practice of imputing missing data before PCA is not common. In the present work, we evaluated the hypothesis ...
Diet and sedentary behaviour in relation to cancer survival. A report from the national health and nutrition examination survey linked to the U.S. mortality registry
(Elsevier, 2020)
Background & aims
Cancer is the second most common chronic disease and cause of death in the United States. Our aim was to evaluate the associations of sedentary behavior and nutrient intakes with total and cancer-specific ...