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  2. National Health and Nutrition Examination Survey - Wikipedia

    en.wikipedia.org/wiki/National_Health_and...

    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 ...

  3. National Center for Health Statistics - Wikipedia

    en.wikipedia.org/wiki/National_Center_for_Health...

    The National Health and Nutrition Examination Survey (NHANES) is NCHS's most in-depth and logistically complex survey, operating out of mobile examination centers that travel to randomly selected sites throughout the U.S. to assess the health and nutritional status of Americans.

  4. List of household surveys in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_household_surveys...

    National Health Interview Survey: National Center for Health Statistics [4] Nationally representative sample [18] 87,000 [18] 1957 [18] Ongoing [18] Health status and utilization: Face-to-face interview format [19] National Longitudinal Survey: Bureau of Labor Statistics [20] People born 1957-1964 and 1980-1984 [21] 50,000 + [21] 1966 [21] Ongoing

  5. Vitamin D may improve your energy levels. Here’s how ... - AOL

    www.aol.com/finance/vitamin-d-may-improve-energy...

    An analysis of 2013–2016 National Health and Nutrition Examination Survey (NHANES) data showed that 92% of men and more than 97% of women ingested insufficient amounts of vitamin D daily from ...

  6. Longitudinal study - Wikipedia

    en.wikipedia.org/wiki/Longitudinal_study

    A longitudinal study (or longitudinal survey, ... National Health and Nutrition Examination Survey (NHANES) Cohort United States 1971 8,837 (since 1999)

  7. Body roundness index - Wikipedia

    en.wikipedia.org/wiki/Body_roundness_index

    In using human body and fat mass data from the United States National Health and Nutrition Examination Survey (NHANES) database, the Thomas group found that BRI never was a negative value, and that larger BRI values were associated with people having a round shape, while shape values closer to 1 were related to people with narrow, lean bodies. [1]

  8. National Health and Nutrition Survey - Wikipedia

    en.wikipedia.org/wiki/National_Health_and...

    The National Health and Nutritional Survey (国民健康・栄養調査, Kokumin Kenkou Eiyou Chousa, NHNS) is a national health examination survey conducted in Japan. . Beginning as the National Nutrition Survey (NNS) after World War II, it is the oldest of all such surveys currently conducted in the world as of December 2015

  9. Leyla Mohadjer - Wikipedia

    en.wikipedia.org/wiki/Leyla_Mohadjer

    She is an expert in survey methodology, total survey error, quality control, and participation bias, and has led the statistical efforts of the Programme for the International Assessment of Adult Competencies and the Programme for International Student Assessment (both of the OECD), and the National Health and Nutrition Examination Survey of ...