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CDC establishes the Behavioral Risk Factor Surveillance System(BRFSS) with a participation of 15 states
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In 1993, BRFSS becomes nationwide with questionnaires redesigned to include core questions. There were an estimated 100,000 interviews completed.
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Core topics of smoking, alcohol use, physical inactivity, diet, seat belt use, and hypertension were developed by the CDC as a core questionnaire to be compared across the states.
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The Web-Enabled Analysis Tool (WEAT) was added. This tool analyzes data through a variety of statistical methods where users and perform quantitative relationship between multiple records.
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BRFSS marks its 30th year in 2013 and remains the gold standard of behavioral surveillance.
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In 2017, data was retrieved from the BRFSS database and stored in CSV format on a secure hard drive in a securely locked room.
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Heart Matters hired a new analyst to review the data and focus on Alabama. The analyst discovered the CSV file contained characters that were unreadable by SQL during the migration. Some rows of data didn't import into the database resulting in data loss.
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The IT system administrator was instructed to physically transfer the data over to the new location. The data set and codebook were copied to a flash drive, delivered to the new location, and immediately imported into the new system.
