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

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.

Prevalence, intensity and extent of Oral Impacts on Daily Performances associated with self-perceived malocclusion in 11-12-year-old children

“…Then, the prevalence of oral impacts on daily performances was calculated as the percentage of children with a CS-Child-OIDP score higher than zero. Furthermore, among those children reporting oral impacts, the intensity of the impact on each performance score (ranging from 1 to 9) was classified into 5 levels: very little (1), little (2), moderate (3–4), severe (6) and very severe (9) [17,18]. The overall intensity of impacts was then estimated as the most severe impact on any of the 8 performances [17].…”

“…The overall intensity of impacts was then estimated as the most severe impact on any of the 8 performances [17]. Finally, the extent of impacts, ranging from 1 to 8 performances, was calculated as the number of performances with impacts [17,18]. …”

Perceived dental treatment need among older Tanzanian adults – a cross-sectional study

“…In the first stage, 10 pure urban villages (n = 6,290) and 10 pure rural villages (n = 3,729) were selected by systematic random sampling from the district village population lists. In the second stage, a total of 60 households were selected by systematic random sampling from each village selected in the first stage [for a more detailed description of the sampling procedure, see [12,13]]. The study was approved by the Research and Publication Committee at Muhimbili University College of Health Sciences, regional and district administration authorities, village leaders and by the ethical research committee in Norway (REK VEST).…”

“…Functional disadvantage was measured broadly using the eight item Oral Impact on Daily Performance, OIDP, inventory (e.g. During the previous 6 months – how often have problems with your teeth and mouth caused you any difficulty with eating, speaking, cleaning teeth, smiling, sleeping, emotional balance, work and social contact) [13]. General oral health perceptions were assessed by two items.…”

“…Accordingly, a normative measure of prosthetic treatment need estimated by converting clinical measures alone could probably be too high to be met in the Tanzanian context where the government's oral health care budget is inadequate to meet the increasing oral health needs of the population [11]. Previous studies considering tooth loss, psycho-social impacts and dissatisfaction with chewing ability have documented a substantial burden of oral diseases in older adults in Tanzania [12,13]. Chewing problems and dissatisfaction with chewing ability are prevalent and about 5 in 10 older adults have experience with at least one oral impact on daily performances.…”