The Behavioral Risk Factor Surveillance System (BRFSS) is the worlds largest network for monitoring lifestyle behaviors that increase our risk for chronic disease. How do they collect the information?

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     internet survey
       surveys distributed at shopping malls
      mail survey
      telephone survey
asked Jun 25, 2013 in Nutrition by anonymous
    

1 Answer

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telephone survey
answered Jun 26, 2013 by Ilovefood ~Expert~ (4,050 points)

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