BEHAVIORAL RISK FACTOR SURVEILLANCE SYSTEM (BRFSS)
For questions about this data, email brfss@dshs.texas.gov
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Texas Behavioral Risk Factor Surveillance SystemData Description
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.
Measure Information
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.
Percentages and confidence intervals are not displayed for sample sizes of less than 50 or for responses with a relative standard error (RSE) of over 30%. Estimates with a high RSE can be unreliable and should be used with caution.
Geographic Coverage
- County: County-level data are only shown for counties with enough survey responses to ensure reliable estimates. These counties are typically oversampled to provide representative results; smaller counties are not displayed to maintain data quality and confidentiality.
- Public Health Region (PHR): PHRs represent groupings of counties used by DSHS for program planning and public health activities. To find out which region your county belongs to, see the PHR map here.
- Health Service Region (HSR): For administrative purposes, there are 8 regional public health offices which comprise the 8 HSRs. The HSRs match the PHRs except in the following cases. Regions 2 and 3 are combined and are administered from a regional office in Arlington. Region 4 and the northern part of Region 5 are combined and administered from a regional office in Tyler. Region 6 and the southern part of Region 5 are combined and administered from a regional office in Houston. Regions 9 and 10 are combined and administered from a regional office in El Paso. Of the counties in Region 5, three are in the southern part of Region 5 (Region 5S): Hardin, Jefferson, and Orange. The rest of the Region 5 counties are in the northern part of Region 5 (Region 5N).