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Initial surveys were conducted in 29 states to determine the feasibility of collecting behavioral data for the CDC
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15 states participated in monthly data collection. -
Standard questions on specific topics where created to collect information from patients -
BRFSS became nationwide, redesigned the questionnaire and finished about 100,000 interviews. -
From 2002 - 2009 BRFSS conducted biannual meetings with expert panels included 20 survey statisticians to develop options and prioritize recommendations.
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2004-2005 BRFSS Monitored the vaccine shortage
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BRFSS added a Web-Enabled Analysis Tool (WEAT) to help analyze the data through different methods. -
after the 2009 H1N1 outbreak, the vaccine was added to the survey -
Cell phone surveys being added helped reached a whole new demographic that wasn't accessible before. More than 500,000 interviews were conducted. -
BRFSS becomes the largest health survey system in the world. Includes all 50 states, the District of Columbia and 3 US territories. They completed more than 400,000 interviews. -
Data retrieved from the BRFSS database was stored in CSV format on a hard drive. Analysis of the data determined there was a lack of medical care in Alabama -
During an expansion, a new location received funding to use an SQL database. The data was transferred onto a flash drive, delivered and immediately imported. -
A new data analyst was hired at Heart Matters the Alabama location. They were asked to review the master data set. They discoved the following :
-CSV file contained characters there were unreadable
-Some rows of data didn't import properly
-Data Loss
-Quantity did not match the original CSV