Minimally important difference of the Child Oral Health Impact Profile for children with orofacial anomalies

Research output: Contribution to journalArticle

Abstract

Background: The Child Oral Health Impact Profile (COHIP) is an instrument designed to measure the self-reported oral health-related quality of life of children between the ages of 8 and 15, including domains for oral health, functional well-being, social-emotional well-being, school environment and self-image. The purpose of this study was to estimate the minimally important difference (MID) of the COHIP for patients with cleft lip/palate. Methods: Data from a 6-year, prospective, longitudinal cohort study of children with cleft lip/palate were analyzed to estimate the MID. Analysis was restricted to patients with data at baseline and first follow-up and not receiving a surgical intervention in the intervening years (N = 281). MIDs were estimated via the anchor-based method, using the Global Assessment of Change, and the effect size distribution method. Results: Based on the distributional method, the minimally important differences were 0.16 (oral health), 0.12 (functional), 0.22 (social-emotional), 0.21 (school environment) and 0.19 (self-image). MID anchor estimates for COHIP domains ranged from -0.32 to 0.84. The anchor-based and effect size MID estimates for the overall COHIP score were 2.95 and 0.25, respectively. Conclusion: The minimally important difference of the Child Oral Health Impact Profile is recommended for interpreting clinically meaningful change in patients with cleft lip/palate.

Original languageEnglish (US)
Article number140
JournalHealth and Quality of Life Outcomes
Volume14
Issue number1
DOIs
StatePublished - Oct 3 2016

Keywords

  • Cleft
  • Minimally important difference
  • Oral health-related quality of life

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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