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Unexpectedly low prevalence of Helicobacter pylori infection among pregnant women on Pemba Island, Zanzibar.

Abstract：

:Helicobacter pylori is strongly associated with peptic ulcer and gastric cancer and may be the most common human bacterial infection. The epidemiology of H. pylori has been poorly studied in Africa, where its relevance to disease has not been fully appreciated. Following a cross-sectional study design, H. pylori infection was measured by (13)C-urea breath test among 857 pregnant women attending antenatal care clinics. Location, water use practices, anthropometry, and social and demographic variables were assessed as covariates. The prevalence of H. pylori infection was 17.5%. Multiple logistic regression showed that H. pylori was positively associated with location of enrollment clinic along the main road leading from the southern seaport (odds ratio (OR)=2.5), presence of costlier household lighting in the home (OR=1.6) and height (10 cm) (OR=1.5). The prevalence of H. pylori infection was unexpectedly low for a developing country population, where prevalence is typically very high. Higher prevalence along the road from the southern seaport suggests that infection was imported from the mainland. The reason for very low prevalence should be investigated further because the discovery of bacterial or dietary factors that limit infection in this population could have useful public health applications.

journal_name

Trans R Soc Trop Med Hyg

journal_title

Transactions of the Royal Society of Tropical Medicine and Hygiene

authors

Farag TH,Stoltzfus RJ,Khalfan SS,Tielsch JM

doi

10.1016/j.trstmh.2007.05.003

subject

Has Abstract

pub_date

2007-09-01 00:00:00

pages

915-22

issue

9

eissn

0035-9203

issn

1878-3503

pii

S0035-9203(07)00146-0

journal_volume

101

pub_type

杂志文章

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