What is the NHANES study and what were the significant findings?
It was NHANES that gave us the first clear-cut evidence that Americans had too much lead in their blood. This led congress, the Environmental Protection Agency, and others to phase out the use of lead as an additive in gasoline, and the results have been remarkable.
Does NHANES measure height and weight?
All three surveys include self-reported weight and height data; NHANES additionally provides measured weight and height data.
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.
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.
Why was NHANES started?
NHANES II began in 1976 with the goal of interviewing and examining 28,000 persons between the ages of 6 months and 74 years. This survey was completed in 1980. To establish a baseline for assessing changes over time, data collection for NHANES II was made comparable to NHANES I.
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.
How often is NHANES done?
Beginning in 1999, the survey has been conducted continuously. Continuous since 1999; data are publicly released in 2-year cycles.
What is the NHANES survey?
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.
What is the age range of NHANES?
The first NHANES focused on the U.S. population aged 1-74. In 1974-1975, there was an augmentation to the survey on an additional national sample. This augmentation sample only included adults aged 25-74 and did not oversample any population groups nor include nutrition data.
What is the NHANES national youth fitness survey?
The NHANES National Youth Fitness Survey (NNYFS) was a one year survey conducted in 2012. The NNYFS collected nationally representative data on physical activity and fitness levels of children and adolescents in the United States through interviews and fitness tests. On September 30, 2013, the first wave of this data was released.
What is the NHANES III?
NHANES III. Conducted from 1988-1994, the third National Health and Nutrition Examination Survey (NHANES III) focused on oversampling many groups within the U.S. population aged 2 months and over. These oversampled groups included children aged 2 months to 5 years, persons over age 60, Mexican-American persons, and non-Hispanic black persons.