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The National Health and Nutrition Examination Survey (NHANES) is a survey research program conducted by the National Center for Health Statistics (NCHS) to assess the health and nutritional status of adults and children in the United States, and to track changes over time. [1] The survey combines interviews, physical examinations and laboratory ...
EQ-5D was designed as a self-completed questionnaire to fulfil two functions: (i) to provide a descriptive profile of current health status; and (ii) to provide a way of assigning a single numerical value to each of the possible health states described by the descriptive system, for use in economic evaluations of health care. [8]
The questionnaire design was described in a 1986 paper [30] and the first research paper validating the questionnaire was published in 1990. [31] The FFQ was subsequently modified and a web version was created. [32] Pen-and-paper and web version, both available at cost. Cost is $2 per respondent for pen-and-paper version, with a minimum of $100.
The FCQs were designed to assess the multidimensional nature of food craving and, thus, assess several aspects such as emotions before a food craving is experienced or before eating, affective responses after eating, thoughts about food, or loss of control over food consumption.
Nutritional rating systems are used to communicate the nutritional value of food in a more-simplified manner, with a ranking (or rating), than nutrition facts labels. A system may be targeted at a specific audience. Rating systems have been developed by governments, non-profit organizations, private institutions, and companies.
Higher scores represent greater overall nutritional value. However, the actual algorithm, including the relative weights of the nutrients, was never disclosed to the public. [4] Broccoli, blueberries, okra, oranges, and green beans were some foods that received the best score (100) while ice pops and soft drinks received the worst (1). [1]
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Self-rated health, as measured by a questionnaire, attempts to measure health in all its dimensions. In such a questionnaire, participants answer a series of questions which are typically structured using a Likert Scale. The SF-36 questionnaire is an example of tool for self-assessed overall health. The SF-36 questionnaire addresses several ...