Muzaffar, Apipi (2018) Development and validation of Malay version of fonseca anamnestic index (FAI) & oral health impact profile for temporomandibular disorder (OHIP-TMD) / Muzaffar Apipi. Masters thesis, Universiti Malaya.
Abstract
Objectives: This research aims to translate and validate Malay version of Fonseca Anamnestic Index (FAI), a 10-item temporomandibular disorder (TMD)-screening tool and Oral Health Impact Profile for TMD (OHIP-TMD), a 22-item TMDs-specific version of the Oral Health Impact Profile (OHIP). Methods: Translation of FAI and OHIP-TMD was done via forward and backward translation in sequential approach following guidelines for cross-cultural adaptation. A total of 243 convenience samples which consists of 160 non-TMD and 83 with TMD completed the questionnaires. A subsample of 40 subjects (20 non TMD, 20 TMD) were administered questionnaires twice with 14 days interval for test-retest analysis. Psychometric properties assessment involved were reliability and validity analysis. Results: A response rate of 96.4% was recorded (243 of 252 subjects), nine subjects were excluded due to more than 20% incomplete answer. FAI & OHIP-TMD were found to be reliable with Cronbach’s alpha obtained for FAI was 0.90 & OHIP-TMD was 0.98. Test-retest consistency: ICC using a two-way random effect model with absolute agreement calculated for both FAI & OHIP-TMD obtained 0.99. For validity analysis, concurrent validity, convergent validity, discriminative validity and construct (hypothesis) test were performed. Concurrent validity test conducted using Spearman’s coefficient rank correlation with short version of Oral Health Impact Profile- Malay version (S-OHIP M) for both questionnaires shown a significant result, positive value of > 0.70. Convergent validity test with 3 global oral health rating: perceived oral health status, perceived oral health satisfaction and perceived need of treatment conducted using Kruskal-Wallis test for both questionnaires obtained significant result, p-value were < 0.001 (< 0.050) and had confirmed six hypotheses. Discriminative validity test conducted using Mann- Whitney U test proved that both FAI & OHIP-TMD significantly able to distinguish non-TMD with TMD group with p-value were 0.001 (< 0.050) and confirmed two hypotheses. All eight-construct validity (hypothesis) tested were confirmed. Conclusions: Malay Version of FAI & OHIP-TMD are reliable and valid for Malaysian population based on psychometric properties assessment conducted. Keywords: Temporomandibular disorder (TMD), FAI, OHIP-TMD, cross-cultural adaptation (CCA), Malay version.
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