Browsing Faculty of Health Sciences by Subject "reproducibility"
Now showing items 1-3 of 3
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Reproducibility of two, three, four and five 24-hour recalls in peri-urban African adolescents in the North West province
(MedPharm Publications, 2012)Background: The objective was to determine the reproducibility of two, three, four and five repeated 24-hour recalls among peri-urban African adolescents. Method: A prospective study design was used within the multidisciplinary ... -
Using different approaches to assess the reproducibility of a culturally sensitive quantified food frequency questionnaire
(MedPharm Publishers, 2011)Objective: To report on the use of different approaches to assess the reproducibility of a culturally sensitive quantified food frequency questionnaire (QFFQ) used for assessment of the habitual dietary intake of ... -
Validation and comparison of three formulae to estimate sodium and potassium excretion from a single morning fasting urine compared to 24-h measures in 11 countries
(Wolters Kluwer/Lippincott, Williams & Wilkins, 2014)Background and objectives: Although 24-h urinary measure to estimate sodium and potassium excretion is the gold standard, it is not practical for large studies. We compared estimates of 24-h sodium and potassium excretion ...