Prevalence and aetiology of juvenile skeletal fluorosis in the south-west of the Hai district, Tanzania - a community-based prevalence and case-control study.


Jarvis, HG; Heslop, P; Kisima, J; Gray, WK; Ndossi, G; Maguire, A; Walker, RW; (2012) Prevalence and aetiology of juvenile skeletal fluorosis in the south-west of the Hai district, Tanzania - a community-based prevalence and case-control study. Tropical medicine & international health. ISSN 1360-2276 DOI: https://doi.org/10.1111/tmi.12027

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Abstract

INTRODUCTION: Fluorosis is endemic throughout the East African Rift valley, including parts of Tanzania. The aim of the study was to identify all cases of deforming juvenile skeletal fluorosis (JSF) in a northern Tanzanian village and to document the extent of dental fluorosis (DF). METHODS: Door-to-door prevalence survey of all residents of the village. Residents were assessed for the presence of DF and JSF. Those with JSF and randomly selected controls from the same age range were further assessed for possible JSF risk factors. RESULTS: The village had a population of 1435. DF was endemic within the population, being present in 911 (75.5%; 95% CI, 73.0-77.9) of dentate individuals who were examined (n = 1207). JSF was present in 56 of 1263 people examined, giving a prevalence of 4.4% (95% CI, 3.3-5.6) and was more common in males. Low body mass index, drinking predominantly well water 3 years previously, not being weaned on bananas, the use of fluoride salts in cooking during childhood and drinking more cups of tea per day were independent predictors of JSF. CONCLUSIONS: Juvenile skeletal fluorosis is a common and preventable public health problem. Providing clean, low-fluoride, piped water to affected communities is of obvious health benefit.

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Non-Communicable Disease Epidemiology
PubMed ID: 23198699
Web of Science ID: 313894300014
URI: http://researchonline.lshtm.ac.uk/id/eprint/491683

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