Organizations and groups across Alaska use BRFSS data to guide public health programs, support federal grants, ensure effective use of limited public health resources, evaluate the impact of services and programs, and improve the health of Alaskans.
Access the survey data and documentation for any BRFSS survey year. The documentation provides technical and statistical information regarding the BRFSS, such as comparability, sample information, and more. For the corresponding annual questionnaires, see the Questionnaires section of this site. For other data sets, see the SMART and BRFSS Maps (GIS) sections of this site.
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The BRFSS is the primary source of information for states and the nation on the health-related behaviors of adults. States collect data through monthly interviews with adults aged 18 years or older. BRFSS interviewers ask questions related to behaviors that are associated with preventable chronic diseases, injuries and infectious diseases.
Find city and county data collected through the Selected Metropolitan/Micropolitan Area Risk Trends (SMART) project, the Web Enabled Analysis Tool (WEAT), interactive maps, and other resources provided through BRFSS.
Using the Prevalence and Trends Data Tools, users may produce charts for individual states or the nation by health topic. Users may select specific years or request multiple year data. The Prevalence and Trend Data Tools will produce line graphs for multiple years and bar charts for single years for each selected indicator.
The Web Enabled Analysis Tool (WEAT) permits users to create custom crosstabulation tables for health indicators within selected states. Up to two control variables may be included to create crosstab tables within each category of control variables. WEAT also may be used to create logistic equations using BRFSS data. Users are prompted to make selections of year, state and variables to be included in the analyses.
Selected Metropolitan/Micropolitan Area Risk Trends (SMART) is an ongoing project that uses BRFSS data to produce some local area estimates. Counties and Metropolitan/Micropolitan Areas (MMSAs) were selected for SMART if there were 500 or more respondents BRFSS combined landline and cell phone data for any year.
By collecting behavioral health risk data at the state and local level, BRFSS has become a powerful tool for targeting and building health promotion activities. As a result, BRFSS users have increasingly demanded more data and asked for more questions on the survey. Currently, there is a wide sponsorship of the BRFSS survey, including most divisions in the CDC National Center for Chronic Disease Prevention and Health Promotion; other CDC centers; and federal agencies, such as the Health Resources and Services Administration, Administration on Aging, Department of Veterans Affairs, and Substance Abuse and Mental Health Services Administration.
The 2018 BRFSS data continue to reflect the changes initially made in 2011 for weighting methodology (raking) and adding cell-phone-only respondents. The aggregate BRFSS combined landline and cell phone data set is built from the landline and cell phone data submitted for 2018 and includes data for 50 states, the District of Columbia, Guam, and Puerto Rico.
There are 437,436 records for 2018. More information on participation is available in the states conducting surveillance, by year table. The data files are provided in ASCII and SAS Transport formats. The November update includes the addition of E-Cigarettes optional module data from California and a correction for the Lung Cancer Screening optional module variable LCSLAST in two states (MD, TX).
The Texas Behavioral Risk Factor Surveillance System (BRFSS), initiated in 1987, is a federally supported landline and cellular telephone survey that collects data about Texas residents regarding their health-related risk behaviors, chronic health conditions, and use of preventive services. This surveillance can be used to monitor the Healthy People 2030 Objectives for current smoking, obesity, high blood pressure, exercise and physical activity, flu and pneumonia vaccinations, cholesterol and cancer screenings, seat belt use, as well as other risk factors.
In 2011, BRFSS began including data received from cell phone users and using a new data weighting methodology called raking or iterative proportional fitting. These changes allowed BRFSS to reach segments of the population that were previously inaccessible-those who have a cell phone but not a landline-and produce estimates of risk factors and diseases that are more representative of the population. Therefore, data collected in 2011 and beyond cannot be directly compared to data collected before 2011. In the dashboards above, these years are separated into two dashboards to avoid such comparisons.
The 2021 BRFSS data continue to reflect the changes initially made in 2011 for weighting methodology (raking) and adding cell-phone-only respondents. The aggregate BRFSS combined landline and cell phone data set is built from the landline and cell phone data submitted for 2021 and includes data from 49 states, the District of Columbia, Guam, Puerto Rico, and the US Virgin Islands.
There are 438,693 records for 2021. More information on participation is available in the states conducting surveillance, by year table. The data files are provided in ASCII and SAS Transport formats. The July, 2023 update includes a correction for Kentucky to the variable TRNSGNDR due to an interviewer coding error.
By the early 1980s, scientific research clearly showed that personal health behaviors played a major role in premature morbidity and mortality. Although national estimates of health risk behaviors among U.S. adult populations had been periodically obtained through surveys conducted by the National Center for Health Statistics (NCHS), these data were not available on a state-specific basis. This deficiency was viewed as a critical obstacle to state health agencies trying to target resources to reduce behavioral risks and their consequent illnesses. National data may not be applicable to the conditions found in any given state; however, achieving national health goals required state and local agency participation.
As a result, surveys were developed and conducted to monitor state-level prevalence of the major behavioral risks among adults associated with premature morbidity and mortality. The basic philosophy was to collect data on actual behaviors, rather than on attitudes or knowledge, that would be especially useful for planning, initiating, supporting, and evaluating health promotion and disease prevention programs.
In 2002, BRFSS held its first biannual BRFSS Expert Panel Meeting, inviting approximately 20 survey statisticians, methodologists, and operational experts to a 2-day meeting to discuss the challenges facing the field of survey research and implications for the BRFSS. Repeated in 2004, 2006, and 2009, the meetings set a goal of developing options and prioritizing recommendations for maintaining data quality in the face of societal and technological changes.
In 2007, the BRFSS added a Web-Enabled Analysis Tool (WEAT). This online application analyzes data through a variety of statistical methods. Users are able to perform cross-tabulation and logistic regression.
BRFSS marks its 30th year in 2013 and remains the gold standard of behavioral surveillance. Currently data are collected monthly in all 50 states, the District of Columbia, American Samoa, Palau, Puerto Rico, the U.S. Virgin Islands, and Guam. CDC will continue to work closely with state and territorial partners to ensure that the BRFSS continues to provide data that are useful for public health research and practice and for state and local health policy decisions.
Public health surveillance in the future will be much more complex and involve multiple ways of collecting public health data. Although telephone surveys will likely remain the mainstay of how BRFSS data are collected, it is likely that additional modes of interviewing will also be necessary. To prepare for the future, BRFSS currently has several pilot studies and research initiatives underway. These efforts are critical for improving the quality of BRFSS data, reaching populations previously not included in the survey, and expanding the utility of the surveillance data. To find out more about BRFSS and its recent achievements, visit the BRFSS Today page.
The Expanded Risk Factor Surveillance System (Expanded BRFSS) augments the CDC Behavioral Risk Factor Surveillance System (BRFSS), which is conducted annually in New York State. Expanded BRFSS is a random-digit-dialed telephone survey among adults 18 years of age and older representative of the civilian population with landline and cellular telephones living in New York State. The goal of Expanded BRFSS surveys is to collect county-specific data on preventive health practices, risk behaviors, injuries and preventable chronic and infectious diseases. Topics assessed by the Expanded BRFSS include tobacco use, physical inactivity, diet, use of cancer screening services, and other factors linked to the leading causes of morbidity and mortality.
A file containing data from the 2021 BRFSS is available upon request. Requestors will need to complete a data request form, including a confidentiality agreement. The data request form can be obtained by calling the NYS BRFSS coordinator at (518) 473-0673, or by sending an email to brfss@health.ny.gov.
Aggregated 2021 data for over fifty health indicators at the county, region, and state levels is available from Health Data NY. These indicators are in a single customizable and downloadable table. The table contains 2021, 2018, 2016 and 2013-14 expanded BRFSS data and county-level data, to support trend analysis.
A file containing data from the 2018 BRFSS is available upon request. Requestors will need to complete a data request form, including a confidentiality agreement. The data request form can be obtained by calling the NYS BRFSS coordinator at (518) 473-0673, or by sending an email to brfss@health.ny.gov. 2351a5e196
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