What is NHANES data?

What is NHANES data?

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. The survey samples approximately 5,000 individuals each year.

What data is collected in NHANES?

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.

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.

Is NHANES secondary data?

Currently, all secondary data analysis of NHANES genetic data must be performed at the NCHS’ Research Data Center (RDC) in Hyattsville, MD.

How accurate is NHANES?

Background: A single 2-year National Health and Nutrition Examination Survey (NHANES) cycle is designed to provide accurate and stable estimates of conditions with prevalence of at least 10%.

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.

What is the difference between NHANES I and NHANES II?

NHES I focused on selected chronic disease of adults aged 18-79. NHES II and NHES III focused on the growth and development of children. The NHES II sample included children aged 6-11, while NHES III focused on youths aged 12-17.

How often is NHANES data released?

Continuous since 1999; data are publicly released in 2-year cycles.

What research uses NHANES?

NHANES data are used in epidemiological studies and health sciences research (including biomarkers of aging), which help develop sound public health policy, direct and design health programs and services, expand health knowledge, extend healthspan and lifespan.

What type of research uses NHANES?

The National Health and Nutrition Examination Survey (NHANES) is a program of studies 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 and physical examinations.

How many participants are in NHANES?

5,000 people
The first NHANES program began in 1960. Since 1999, the survey has examined about 5,000 people in 15 different counties across the country each year. Each participant makes an important contribution to the study, representing approximately 65,000 others in the country like them. Learn more about NHANES history.

What NHANES data tracks related to nutrition?

NHANES dietary data are used to describe intake of foods, nutrients, food groups, and dietary patterns by the US population and large sociodemographic groups to plan and evaluate nutrition programs and policies. Usual dietary intake distributions can be estimated after adjusting for day-to-day variation.

What does NHANES I mean?

The Survey (NHANES) is a program of studies 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 and physical examinations. NHANES is a major program of the National Center for Health Statistics (NCHS).

What does NHANES mean?

NHANES stands for National Health and Nutrition Examination Survey ( US CDC ) Suggest new definition. This definition appears very frequently and is found in the following Acronym Finder categories: Military and Government. Science, medicine, engineering, etc.

What does NHANES II stand for?

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.