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A what is the sensitivity of self reported smoking status b

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As part of a study,investigators wanted to assess the accuracy of self reported smoking status. Participants are asked whether they currently smoke or not. In addition, laboratory tests are performed on hair samples to determine presence or absence of nicotine. The laboratory assessment is considered the gold, or truth about nicotine. The data are as follows:

                                             Nicotine Absent      Nicotine Present
Self reported Non smoker            82                            14
Self reported Smoker                   12                            52

A. What is the sensitivity of self reported smoking status?

B. What is the specificity of self reported smoking status?

Reference no: EM13577031

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