title: Assessment and validation of the oral impact on daily performance (OIDP) instrument among adults in Karnataka, South India.
abstract: OBJECTIVE
  The objective of the study was to test the applicability of abbreviated version of the oral impact on daily performance (OIDP) inventory among the adults visiting dental outreach centre in Karnataka, South India.
  
  
  METHODS
  Cross sectional study.
  
  
  METHODS
  Dental outreach centre in Udupi District, Karnataka.
  
  
  METHODS
  312 adults aged 35-44 years attending the centre.
  
  
  METHODS
  Face-to-face interview followed by oral health examination. The questionnaire in Kannada version of OIDP, perceived general and oral health and satisfaction with dental appearance were used.
  
  
  METHODS
  Reliability and Validity of OIDP instrument, Prevalence of oral impacts in study population.
  
  
  RESULTS
  Majority of the participants (71.2%) reported oral health problems affecting at least one daily performance in the 6 months preceding the survey. The performance most affected was 'eating' (52.2%) followed by 'cleaning teeth' (32.4%). Cronbach's alpha for the OIDP frequency items was 0.70. Construct validity was proved by significant association of OIDP scores and self-rated oral, general health status and perceived satisfaction with appearance of teeth; with those more satisfied having fewer oral impacts (p < 0.001). Criterion validity was demonstrated in that the OIDP scores increased significantly as the number of decayed and missing teeth increased (p < 0.001).
  
  
  CONCLUSIONS
  The Kannada version of OIDP had excellent psychometric properties for applicability among the adults in Karnataka. Thus, the study highlighted the limits of focusing exclusively on normative needs and suggested the incorporation of oral quality of life measures into the oral healthcare services.
authors.affiliation: Department of Public Health Dentistry, People College of Dental Sciences & Research Center, Bhopal, India. bharathipurohit@yahoo.com
authors.forename: B M
authors.initials: BM
authors.lastname: Purohit
authors.forename: A
authors.initials: A
authors.lastname: Singh
authors.forename: S
authors.initials: S
authors.lastname: Acharya
authors.forename: M
authors.initials: M
authors.lastname: Bhat
authors.forename: H
authors.initials: H
authors.lastname: Priya
mesh_terms: D000328:Adult; D003430:Cross-Sectional Studies; D003752:Dental Health Services / Q000592:standards*; D005260:Female; D006304:Health Status; D006801:Humans; D008297:Male; D009909:Oral Health; D017060:Patient Satisfaction; D011795:Surveys and Questionnaires