- 1 What data does NHANES collect?
- 2 What sources are used for data collection in NHANES?
- 3 How is NHANES data used?
- 4 What is the NHANES dataset?
- 5 How do I access my NHANES data?
- 6 Does NHANES have location data?
- 7 How does Brfss collect data?
- 8 How are NHANES participants selected?
- 9 What is NHANES II?
- 10 What do we eat in America NHANES?
- 11 How many participants are in NHANES?
- 12 Is NHANES a cohort study?
- 13 How do I download NHANES data?
- 14 How do I download data from CDC?
- 15 What type of research uses the NHANES?
What data does NHANES collect?
Data are collected on indicators of the nutritional and health status of Americans through dietary intake data, biochemical tests, physical measurements, and clinical assessments for evidence of nutritional deficiencies.
What sources are used for data collection in NHANES?
Primary data users are federal agencies that collaborated in the design and development of the survey. The National Institutes of Health, the Food and Drug Administration, and CDC are among the agencies that rely upon NHANES to provide data essential for the implementation and evaluation of program activities.
How is NHANES data used?
NHANES is designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews, physical examinations, and administers tests of physical activity and fitness that include children and adolescents.
What is the NHANES dataset?
Dataset summary NHANES is a nationally-representative study of adults and children in the United States. Data collection includes in-depth, in-person surveys, physical and physiological examinations, and laboratory tests.
How do I access my NHANES data?
1 Accessing NHANES Data Directly from the CDC website. NHANES 1999-2000 and onward survey datasets are publicly available at wwwn.cdc.gov/nchs/nhanes/.
Does NHANES have location data?
Within any NHANES two- year cycle, data are generally collected and analyzed in the same manner for all sampling locations. Can the data be stratified by race/ethnicity, income, and location (region, state, county or other geographic unit)?
How does Brfss collect data?
Most BRFSS data are gathered through telephone interviews (see below). However, changes in culture and technology make gathering data this way increasingly difficult, so we are gathering data through paper surveys and over the Internet to see how they compare to data gathered by telephone.
How are NHANES participants selected?
NHANES will contact the selected household and ask a short set of questions (age, race, and gender) about everyone in the household. A computer process randomly selects some, all, or none of the household members.
What is NHANES II?
Description. The second National Health and Nutrition Examination Survey, NHANES II, is a nationwide probability sample of 27,801 persons from 6 months – 74 years of age. From this sample, 25,286 people were interviewed and 20,322 people were examined, resulting in an overall response rate of 73 percent.
What do we eat in America NHANES?
What We Eat in America (WWEIA) is the dietary intake interview component of the National Health and Nutrition Examination Survey (NHANES). WWEIA is conducted as a partnership between the U.S. Department of Agriculture (USDA) and the U.S. Department of Health and Human Services (DHHS).
How many participants are in NHANES?
Each participant makes an important contribution to the study, representing approximately 65,000 others in the country like them. Learn more about NHANES history. NHANES has wide support by many national and local organizations and universities.
Is NHANES a cohort study?
NHANES (National Health and Nutrition Examination Survey) (Cohort)
How do I download NHANES data?
NHANES data files are available for download from the website as SAS transport files (. XPT). To use these files you need to create a directory to save them, download the data files and documentation, and then extract or import the datasets.
How do I download data from CDC?
How to Download the Data
- Choose the map area and data from the left navigation bar to display a map, then open the “Download GIS Data” tool located in the toolbar at the top of the map.
- Customize the Export Layer Name and choose the Output Format. The file will be downloaded as a. zip file.
What type of research uses the NHANES?
Assessment of Dietary Supplement Use NHANES is a population-based survey to assess the dietary intakes, health, and nutritional status of noninstitutionalized adults and children in the United States.