The Oral Health Assessment Tool — Validity and reliability

Background: The Oral Health Assessment Tool (OHAT) was a component of the Best Practice Oral Health Model for Australian Residential Care study. The OHAT provided institutional carers with a simple, eight category screening tool to assess residents' oral health, including those with dementia. T...

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Bibliographic Details
Published in:Australian dental journal 2005-09, Vol.50 (3), p.191-199
Main Authors: Chalmers, JM, King, PL, Spencer, AJ, Wright, FAC, Carter, KD
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
assessment tool
Australia
Caregivers
Dental Care for Aged - statistics & numerical data
Dental Health Surveys
Dentistry
Dentures
Geriatric Assessment
geriatric dentistry
Humans
Mouth Diseases - diagnosis
Nursing facilities
Nursing Homes
Observer Variation
older adults
Oral Health
Oral Hygiene
Surveys and Questionnaires
Tooth Diseases - diagnosis
Toothache
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Summary:Background: The Oral Health Assessment Tool (OHAT) was a component of the Best Practice Oral Health Model for Australian Residential Care study. The OHAT provided institutional carers with a simple, eight category screening tool to assess residents' oral health, including those with dementia. This analysis presents OHAT reliability and validity results. Methods: A convenience sample of 21 residential care facilities (RCFs) in urban and rural Victoria, NSW and South Australia used the OHAT at baseline, three‐months and six‐months to assess intra‐and inter‐carer reliability and concurrent validity. Results: Four hundred and fifty five residents completed all study phases. Intra‐carer reliability for OHAT categories: percent agreement ranged from 74.4 per cent for oral cleanliness, to 93.9 per cent for dental pain; Kappa statistics were in moderate range (0.51–0.60) for lips, saliva, oral cleanliness, and for all other categories in range of 0.61–0.80 (substantial agreement) (p < 0.05). Inter‐carer reliability for OHAT categories: percent agreement ranged from 72.6 per cent for oral cleanliness to 92.6 per cent for dental pain; Kappa statistics were in moderate range (0.48–0.60) for lips, tongue, gums, saliva, oral cleanliness, and for all other categories in range of 0.61–0.80 (substantial agreement) (p
ISSN:0045-0421
1834-7819
DOI:10.1111/j.1834-7819.2005.tb00360.x