title: Psychometric Properties of the Korean Version of the Overactive Bladder Questionnaire (OAB-q) in a Korean Population.
abstract: OBJECTIVE
  Psychometric properties of the overactive bladder questionnaire (OAB-q) were recently examined. However, since the cross-cultural adaptation of a non-English version of the OAB-q has never been demonstrated, we evaluated the psychometric properties of a Korean version of the OAB-q in a Korean population with OAB.
  
  
  METHODS
  A prospective cohort study involving 116 women with 58 OAB and 58 control subjects was performed and convergent validity was assessed. Total and subscale OAB-q scores of the control and OAB groups were compared to their sensitivity to score changes before and after administering anti-cholinergic medication for 12 weeks. Short form 36 and King's health questionnaire (KHQ) were also used for comparison or correlation.
  
  
  RESULTS
  Assessment of face validity showed that the Korean version of the OAB-q was reasonable with OAB-q subscale scores being significantly different between the control and patient groups. Significant correlation (range, -0.29 to -0.81) was found between the OAB-q scores and KHQ results for the OAB patients. Cronbach's alpha coefficients (range, 0.77 to 0.95) indicated excellent internal consistency and test-retest analysis involving 35 OAB patients showed that each questions as well as subscale scores were reproducible. Each score of OAB-q also showed statistically significant sensitivity to changes following anti-muscarinic treatment for OAB (n=27, P<0.001 except for social, P=0.059).
  
  
  CONCLUSIONS
  The Korean version of the OAB-q is a valid and reliable instrument to measure outcomes in Korean patients with OAB.
authors: Department of Urology, Seoul National University Hospital, Seoul, Korea.
authors: Seung-June
authors: SJ
authors: Oh
authors: Hwancheol
authors: H
authors: Son
authors: Soo Wong
authors: SW
authors: Kim
authors: Kyu-Sung
authors: KS
authors: Lee
authors: Myung-Soo
authors: MS
authors: Choo
authors: Seon-Ok
authors: SO
authors: Kim
authors: Moo Song
authors: MS
authors: Lee