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Health and Quality of Life Outcomes
Published in: Health and Quality of Life Outcomes 1/2006

Open Access 01-12-2006 | Research

Psychometric properties and the prevalence, intensity and causes of oral impacts on daily performance (OIDP) in a population of older Tanzanians

Authors: IA Kida, AN Åstrøm, GV Strand, JR Masalu, G Tsakos

Published in: Health and Quality of Life Outcomes | Issue 1/2006

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Abstract

Background

The objective was to study whether a Kiswahili version of the OIDP (Oral Impacts on Daily Performance) inventory was valid and reliable for use in a population of older adults in urban and rural areas of Tanzania; and to assess the area specific prevalence, intensity and perceived causes of OIDP.

Method

A cross-sectional survey was conducted in Pwani region and in Dar es Salaam in 2004/2005. A two-stage stratified cluster sample design was utilized. Information became available for 511 urban and 520 rural subjects (mean age 62.9 years) who were interviewed and participated in a full mouth clinical examination in their own homes.

Results

The Kiswahili version of the weighted OIDP inventory preserved the overall concept of the original English version. Cronbach's alpha was 0.83 and 0.90 in urban and rural areas, respectively, and the OIDP inventory varied systematically in the expected direction with self-reported oral health measures. The respective prevalence of oral impacts was 51.2% and 62.1% in urban and rural areas. Problems with eating was the performance reported most frequently (42.5% in urban, 55.1% in rural) followed by cleaning teeth (18.2% in urban, 30.6% in rural). More than half of the urban and rural residents with impacts had very little, little and moderate impact intensity. The most frequently reported causes of impacts were toothache and loose teeth.

Conclusion

The Kiswahili OIDP inventory had acceptable psychometric properties among non-institutionalized adults 50 years and above in Tanzania. The impacts affecting their performances were relatively common but not very severe.
Appendix
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Metadata
Title
Psychometric properties and the prevalence, intensity and causes of oral impacts on daily performance (OIDP) in a population of older Tanzanians
Authors
IA Kida
AN Åstrøm
GV Strand
JR Masalu
G Tsakos
Publication date
01-12-2006
Publisher
BioMed Central
Published in
Health and Quality of Life Outcomes / Issue 1/2006
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/1477-7525-4-56

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