Microgeographic factors and patterns of aeroallergen sensitisation

Objective: To examine patterns of airborne allergen (aeroallergen) sensitisation in the Greater Sydney area (Sydney), and their relationships with climate, coastal proximity and environment (urban v regional). Design, setting, participants: Retrospective cross‐sectional study of patients who underwe...

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Bibliographic Details
Published in:Medical journal of Australia 2016-10, Vol.205 (7), p.310-315
Main Authors: Kam, Andrew W, Tong, Winnie WY, Christensen, Jenna M, Katelaris, Constance H, Rimmer, Janet, Harvey, Richard J
Format: Article
Language:English
Subjects:
Adolescent
Adult
Allergens - analysis
Australia
Child
Climate
Cross-Sectional Studies
Female
Geography
Humans
Immune system diseases
Male
Middle Aged
Particulate Matter - analysis
Retrospective Studies
Skin Tests
Young Adult
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Summary:Objective: To examine patterns of airborne allergen (aeroallergen) sensitisation in the Greater Sydney area (Sydney), and their relationships with climate, coastal proximity and environment (urban v regional). Design, setting, participants: Retrospective cross‐sectional study of patients who underwent aeroallergen skin prick testing at three Sydney allergy clinics, January 2001 – October 2014. Main outcome measurements: Proportions of patients sensitised to specific aeroallergen types; relationships between sensitisation patterns and climate and geography. Results: Of 1421 patients who met the selection criteria (mean age, 28.3 years [SD, 21.3]; 53.3% were female), 1092 (76.8%) were sensitised to at least one aeroallergen. Those living less than 15 km from the coast were less commonly sensitised to cockroach ( 30 km, 39.7%; P
ISSN:0025-729X
1326-5377
DOI:10.5694/mja16.00264