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 get data from NHANES?
Most of the NHANES data are publicly available and listed on the Questionnaires, Datasets, and Related Documentation page by survey cycle. For example, the NHANES 2017-2018 data can be located and downloaded for free by clicking NHANES 2017-2018.
Is NHANES data public?
Whenever new data items are developed using physical samples from a NHANES survey such as stored sera, DNA, or imaging studies, these new data items are made publicly accessible under either public use, or RDC access, depending on the nature of the derived data item and disclosure risk.
What is NCHS data brief?
NCHS Data Briefs Data Briefs are statistical publications that provide information about current public health topics. Each report takes a complex data subject and summarizes it in text and graphics that provide readers with easily comprehensible information in a compact publication (PDF) and webpage.
Why was NHANES created?
NHANES is designed to facilitate and encourage participation. Transportation is provided to and from the mobile center if necessary. Participants receive compensation and a report of medical findings is given to each participant.
How often is NHANES data released?
2-year cycles
Beginning in 1999, the survey has been conducted continuously. Continuous since 1999; data are publicly released in 2-year cycles.
What is the most recent NHANES data?
The most recently available data are from NHANES 2015-2016. In many cases, analysis included data from two cycles of NHANES (2013-2014 and 2015-2016) to ensure an appropriate sample size for subgroup analysis.
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 the purpose of NCHS?
The National Center for Health Statistics (NCHS) is the nation’s principal health statistics agency, providing data to identify and address health issues. NCHS compiles statistical information to help guide public health and health policy decisions.
Is the National Center for Health Statistics under the CDC?
CDC – NCHS – National Center for Health Statistics.
What type of 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.
Is NHANES qualitative or quantitative?
The nutritional assessment component of NHANES was designed to include a variety of data sources, including: Dietary Intake Interviews: Quantitative and qualitative dietary information is collected using a 24-hour recall and food frequency questionnaire (FFQ).
What does NHANES stand for?
“National Health and Nutrition Examination Survey (NHANES)”.
Is NHANES a cross sectional study?
The NHANES has a long history, a cross-sectional design, and sample sizes in the range of 5,000 per wave.
Is NHANES population based?
The National Health and Nutrition Examination Survey (NHANES) is a population-based survey designed to collect information on the health and nutrition of the U.S. household population. Participants are selected using a random sampling method.
How is NHIS data collected?
NHIS data are collected through personal household interviews. For over 50 years, interviewers from the U.S. Census Bureau have visited American homes to ask about a broad range of health topics.
What is the purpose of the National Center for Health Statistics?
About the National Center for Health Statistics As the nation’s principal health statistics agency, we compile statistical information to guide actions and policies to improve the health of the population. We are a unique public resource for health information—a critical element of public health and health policy.
What is the National Center for Health Statistics responsible for?
Within this framework, NCHS functions as the Federal agency responsible for the collection and dissemination of the Nation’s vital and health statistics. Its mission is to provide statistical information that will guide actions and policies to improve the health of the American people.
What are areas included in NHANES?
The NHANES interview includes demographic, socioeconomic, dietary, and health-related questions. The examination component consists of medical, dental, and physiological measurements, as well as laboratory tests administered by highly trained medical personnel.