A community‐based study of respiratory episodes in Melbourne, Australia

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Abstract

Objective

To provide recent data regarding the epidemiology of community‐based respiratory infections in Australia.

Methods

A longitudinal study between 1997–99 involving collection of a health diary from 600 families in Melbourne.

Results

More than 80% of study participants reported at least one respiratory episode over 15 months. An average of 2.2 respiratory episodes per person per year w as reported, with a mean episode duration of 6.3 days. On average, subjects were symptomatic for 4.2% of the study days. Compared with other age groups, children aged less than two years were most likely to have at least one respiratory episode, a greater number of episodes per person and the longest episode duration (6.8 days). Approximately one in three (28.7%) respiratory episodes were associated with a doctor's visit, and one in four (23%) necessitated time off school or work. Exposure to other people with respiratory symptoms was commonly reported.

Conclusions

Respiratory infections are common, cause a significant amount of morbidity, and are major contributors to the total community health burden.

Implications

The direct and indirect costs of respiratory infections to the community are substantial.

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