title: Validation of self-report on smoking among university students in Korea.
abstract: OBJECTIVE
  To validate the self-reported smoking status of Korean university students.
  
  
  METHODS
  Subjects included 322 Korean university in Korea, who participated in an annual health screening. Data on smoking were collected through a self-reported questionnaire and urine test. The data were analyzed by the McNemar test.
  
  
  RESULTS
  In the consistency test for males, the results from the questionnaire and the urine test were in agreement, but for females, there was a significant difference between the results reported by the 2 tests (P=.001).
  
  
  CONCLUSIONS
  The findings showed that Korean female university students considerably underreported their smoking behavior.
authors.affiliation: Yonsei University College of Nursing, Seoul, Korea.
authors.forename: Chung Yul
authors.initials: CY
authors.lastname: Lee
authors.forename: Sunmi
authors.initials: S
authors.lastname: Shin
authors.forename: Hyeon Kyeong
authors.initials: HK
authors.lastname: Lee
authors.forename: Yoon Mi
authors.initials: YM
authors.lastname: Hong
mesh_terms: D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007723:Korea; D008297:Male; D012907:Smoking / Q000208:ethnology / Q000523:psychology*; D013334:Students / Q000523:psychology*; D011795:Surveys and Questionnaires; D014342:Truth Disclosure; D014495:Universities; D016482:Urinalysis