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Published on: November 5, 2019
Geographic correlation between deprivation and risk of meningococcal disease: an ecological study
Christopher J Williams1, Lorna J Willocks, Iain R Lake
1East & North Hertfordshire Health Protection Unit, Welwyn Garden City, Hertfordshire AL8 6JL, United Kingdom. kitwilliams@nhs.net
Background:
Meningitis caused by Neisseria meningitidis is a serious infection which is most common in young children and adolescents. This study investigated the relationships between the incidence and age distribution of meningococcal disease, and socioeconomic environment.
Methods:
An ecological design was used, including mapping using a Geographical Information System (GIS) at census ward level.
Results:
Incidence of meningococcal disease was highest in the most deprived wards, with a relative risk of 1.97 (1.55 - 2.51). Mapping revealed geographical coincidence of deprivation and meningococcal disease, particularly in urban areas. Two-thirds of the increased incidence was due to cases in the under fives.
Conclusions:
The results suggest that area deprivation is a risk factor for meningococcal disease, and that its effects are seen most in young children.
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