Community based study to compare the incidence and health services utilization pyramid for gastrointestinal, respiratory and dermal symptomsReport as inadecuate

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BMC Health Services Research

, 12:211

Utilization, expenditure, economics and financing systems


BackgroundGastrointestinal GI, respiratory and dermal symptoms are common and cause substantial morbidity, although the information on their exact incidence and comparative burden is limited. The aim of this study was to describe the epidemiology and rate these three major symptom complexes in order to improve our understanding of the health burden imposed by these symptoms.

MethodsWe used data from a community based randomised control trial conducted from June 2007 to August 2008 among 277 South Australian families consuming rainwater. Using weekly health diaries, we prospectively collected information on GI diarrhoea or vomiting, respiratory sore throat, runny nose or cough and dermal rash, generalised itch or dermal infection symptoms, as well as on relevant GP visits, time off work and-or hospitalisation due to these symptoms. Data were analysed using generalized estimating equations approach taking into account the variable number of weeks of follow-up of each individual and within-family clustering of responses.

ResultsOver one year, at least one episode of GI symptoms was reported by 54% of participants 95% CI 50%-58%, at least one respiratory episode by 91% 95% CI 88%-93% and at least one episode of dermal symptoms by 27% 95% CI 24%-30%. The average number of weeks per year during which respiratory symptoms occurred was four times greater than for GI or dermal symptoms 4.9, 1.2 and 1.2 weeks, respectively, p<0.001, with an average number of GP visits per person per year being twice as frequent 0.48, 0.26, 0.19 respectively, p<0.001. However, on a per episode basis, a higher proportion of people saw a GP or were hospitalised for GI symptoms.

ConclusionsThis first comparative study of three different symptom complexes showed that although respiratory symptoms are most common, GI symptoms cause a greater per episode burden on healthcare resources. Measuring and comparing the community based burden of these symptom complexes will assist evidence-based allocation of resources.

KeywordsRespiratory symptoms Gastrointestinal symptoms Dermal symptoms Burden of illness Healthcare utilization AbbreviationsGIGastrointestinal

GEEGeneralised estimating equations

RRRate ratio

CIConfidence interval.

Electronic supplementary materialThe online version of this article doi:10.1186-1472-6963-12-211 contains supplementary material, which is available to authorized users.

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Author: Nusrat Najnin - Martha Sinclair - Andrew Forbes - Karin Leder


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