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Stroke knowledge: Sudden confusion a symptom

Codes and Frequencies

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SKCONFUSE reports responses to a question about whether "[s]udden confusion or trouble speaking" is a symptom "that someone may be having a stroke." Interviewers read a list of symptoms and asked respondents to answer "yes" or "no" to whether each was a symptom of a stroke. These symptoms included (besides SKCONFUSE):

  • Sudden numbness or weakness of face, arm, or leg, especially on one side (SKNUMBFACE)
  • Sudden trouble seeing in one or both eyes (SKSEEING)
  • Sudden trouble walking, dizziness, or loss of balance (SKWALKING)
  • Sudden severe headache with no known cause (SKHEADACHE)

The Mayo Clinic website mentions all of the symptoms listed above as signs and symptoms of stroke.


This variable is comparable over time.


  • 2001; 2009; 2014; 2017: Sample adults age 18+.


  • 2001, 2009, 2014, 2017