Background: The aim of this paper is to estimate the seroprevalence of Helicobacter pylori infection in the New Zealand population by ethnicity and year of birth.
Methods: A systematic search identified seven studies in New Zealand that reported prevalence of H. pylori infection among 4463 participants. Prevalence data were pooled to estimate the Māori, Pacific, and European seroprevalence of H. pylori in four birth cohorts (1926-40, 1941-55, 1956-70, and 1971-85), by assuming that infection is acquired in childhood and seroprevalence is stable with aging. The best estimates of national seroprevalence were obtained by geographic regional weighting and corrections for selection and measurement bias.
Results: Infection rates among all ethnic groups declined in more recent birth cohorts. Prevalence was highest among Pacific peoples (ranging from 39-83%) followed by Māori (18-57%) and then European (7-35%). The absolute ethnic differences in seroprevalence decreased in subsequent cohorts, but the relative ethnic differences increased.
Conclusions: There is scope to much further reduce Māori and especially Pacific people's risk of H. pylori infection. Solutions to reduce H. pylori prevalence and its sequelae should focus on people at greatest risk of the infection. Further evaluation of strategies to address H. pylori infection is warranted. Interventions to be evaluated could include household crowding reduction and eradication therapy for asymptomatic infected persons to reduce their risk of noncardia stomach cancer.
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http://dx.doi.org/10.1111/hel.12186 | DOI Listing |
BMC Pregnancy Childbirth
September 2024
Department of Obstetrics and Gynaecology, Health New Zealand - Te Whatu Ora Counties Manukau District, Auckland, New Zealand.
J Prim Health Care
December 2023
Introduction In Aotearoa New Zealand (NZ), there is inequity in rates of neural tube defects (NTDs). Among Maaori, NTD occur in 4.58/10 000 live births, and for Pacific peoples, it is 4.
View Article and Find Full Text PDFJ Paediatr Child Health
January 2023
Kidz First Neonatal Care, Counties Manukau District Health Board, Auckland, New Zealand.
Aim: Socio-economic status (SES) and ethnicity have been associated with worse maternal and fetal outcomes. Counties Manukau is a region of New Zealand which has a high portion of the population living in areas of low SES and has a higher population of ethnic minorities (Pacific Islander, Asian and Maaori). To determine whether SES and ethnicity are associated with worse mortality and morbidity in preterm infants in Counties Manukau Hospital, New Zealand.
View Article and Find Full Text PDFN Z Med J
August 2016
Associate-Professor of Biostatistics, Section of Epidemiology and Biostatistics, University of Auckland, New Zealand.
Aim: We considered risk factors for mortality in people admitted to Counties Manukau inpatient facilities, who were also identified by medical staff to have insufficient housing.
Method: A cohort study of people aged 15 to 75 years admitted to Counties Manukau inpatient facilities were selected between 2002 and 2014, with ICD-10 codes for insufficient housing. Diagnostic records identified people with substance use and other clinical conditions.
N Z Med J
August 2015
Clinical Director, Population Health, Counties Manukau District Health Board, South Auckland.
Aim: Estimating Primary Health Organisation (PHO) enrolment rates with a census-derived estimated resident population denominator may provide misleading results because of numerator and denominator mismatch. This study uses the Health Service Utilisation (HSU) population denominator as an alternative.
Method: A HSU population was generated by record linkage of routinely collected datasets from the Ministry of Health via encrypted National Health Index (NHI).
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