Giardiasis Notifications Are Associated With Socioeconomic Status In Sydney, Australia: A Spatial Analysis
AUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH(2020)
摘要
Objective: In developed countries prolonged symptoms due to, or following, Giardia intestinalis infection can have a significant impact on the quality of life. In this research, we investigate the presence of a socioeconomic status (SES) gradient in the reporting of giardiasis in South West Sydney Local Health District (SWSLHD), New South Wales (NSW), Australia, across geographic scales.Methods: We used a large database, spatial-cluster analysis and a linear model.Results: Firstly, we found one spatial cluster of giardiasis in one of the most advantaged neighbourhoods of SWSLHD. Secondly, rates of giardiasis notifications were significantly and consistently lower in SWSLHD compared to an unnamed advantaged Local Health District and NSW over multiple years. Finally, we found an overall significant positive dose-response relationship between counts of giardiasis and area-level SES.Conclusions: Lower reporting in disadvantaged areas may represent true differences in incidence across SES groups or may result from differential use of health services and reporting.Implications for public health: If the disparities result from differential use of health services, research should be directed toward identifying barriers and facilitators of use. If disparities result from a true difference in incidence, then the behavioural mediators between SES and giardiasis should be identified and addressed.
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关键词
giardiasis notifications, SES, Sydney, diagnosis, spatial clusters, disparities, access
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