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Related Experiment Videos

Reliability and validity of measures from the Behavioral Risk Factor Surveillance System (BRFSS).

D E Nelson1, D Holtzman, J Bolen

  • 1Behavioral Surveillance Branch, Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, USA.

Sozial- Und Praventivmedizin
|February 20, 2002
PubMed
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The Behavioral Risk Factor Surveillance System (BRFSS) shows most measures are reliable and valid. This data quality assessment helps users evaluate BRFSS information and guides future research for improved public health surveillance.

Area of Science:

  • Public Health Surveillance
  • Health Survey Methodology
  • Biostatistics

Background:

  • The Behavioral Risk Factor Surveillance System (BRFSS) is a crucial tool for monitoring health behaviors and outcomes in the United States.
  • Ensuring the reliability and validity of BRFSS measures is essential for accurate data interpretation and effective public health policy.
  • Previous assessments have highlighted the need for a comprehensive review of BRFSS data quality.

Purpose of the Study:

  • To evaluate the reliability and validity of various measures included in the BRFSS.
  • To provide guidance to data users on assessing the quality of BRFSS data.
  • To identify specific BRFSS measures requiring further research to improve data accuracy.

Main Methods:

  • Systematic review and synthesis of existing studies on the reliability and validity of BRFSS measures.

Related Experiment Videos

  • Inclusion of studies examining similar measures from other national health surveys.
  • Categorization of measures based on established criteria for reliability and validity.

    • Main Results:

    • Measures such as current smoking status, blood pressure screening, anthropometric data (height, weight, BMI), and demographics demonstrated high reliability and validity.
    • Moderate reliability and validity were observed for measures including mammography screening, clinical breast exams, physical activity levels, and dietary intake (fruit and vegetable consumption).
    • A limited number of measures showed low validity, and only one exhibited low reliability; for some measures, reliability and validity could not be determined due to insufficient research.

    Conclusions:

    • The majority of core BRFSS instrument questions exhibit at least moderate reliability and validity.
    • A significant portion of BRFSS measures are highly reliable and valid, supporting their use in public health research.
    • Further research is recommended for specific BRFSS measures to enhance overall data quality and utility.