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International Journal of Health Geographics

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https://www.readbyqxmd.com/read/28934989/small-area-distribution-of-multiple-sclerosis-incidence-in-western-france-in-search-of-environmental-triggers
#1
Karima Hammas, Jacqueline Yaouanq, Morgane Lannes, Gilles Edan, Jean-François Viel
BACKGROUND: Despite intensive research over several decades, the etiology of multiple sclerosis (MS) remains poorly understood, although environmental factors are supposedly implicated. Our goal was to identify spatial clusters of MS incident cases at the small-area level to provide clues to local environmental risk factors that might cause or trigger the disease. METHODS: A population-based and multi-stage study was performed in the French Brittany region to accurately ascertain the clinical onset of disease during the 2000-2004 period...
September 21, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28923070/univariate-and-multivariate-spatial-models-of-health-facility-utilisation-for-childhood-fevers-in-an-area-on-the-coast-of-kenya
#2
Paul O Ouma, Nathan O Agutu, Robert W Snow, Abdisalan M Noor
BACKGROUND: Precise quantification of health service utilisation is important for the estimation of disease burden and allocation of health resources. Current approaches to mapping health facility utilisation rely on spatial accessibility alone as the predictor. However, other spatially varying social, demographic and economic factors may affect the use of health services. The exclusion of these factors can lead to the inaccurate estimation of health facility utilisation. Here, we compare the accuracy of a univariate spatial model, developed only from estimated travel time, to a multivariate model that also includes relevant social, demographic and economic factors...
September 18, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28877706/does-exposure-to-the-food-environment-differ-by-socioeconomic-position-comparing-area-based-and-person-centred-metrics-in-the-fenland-study-uk
#3
Eva R Maguire, Thomas Burgoine, Tarra L Penney, Nita G Forouhi, Pablo Monsivais
BACKGROUND: Retail food environments (foodscapes) are a recognised determinant of eating behaviours and may contribute to inequalities in diet. However, findings from studies measuring socioeconomic inequality in the foodscape have been mixed, which may be due to methodological differences. The aim of this cross-sectional study was to compare exposure to the foodscape by socioeconomic position using different measures, to test whether the presence, direction or amplitude of differences was sensitive to the choice of foodscape metric or socioeconomic indicator...
September 6, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28830461/the-approaches-to-measuring-the-potential-spatial-access-to-urban-health-services-revisited-distance-types-and-aggregation-error-issues
#4
Philippe Apparicio, Jérémy Gelb, Anne-Sophie Dubé, Simon Kingham, Lise Gauvin, Éric Robitaille
BACKGROUND: The potential spatial access to urban health services is an important issue in health geography, spatial epidemiology and public health. Computing geographical accessibility measures for residential areas (e.g. census tracts) depends on a type of distance, a method of aggregation, and a measure of accessibility. The aim of this paper is to compare discrepancies in results for the geographical accessibility of health services computed using six distance types (Euclidean and Manhattan distances; shortest network time on foot, by bicycle, by public transit, and by car), four aggregation methods, and fourteen accessibility measures...
August 23, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28810908/relative-risk-estimation-of-dengue-disease-at-small-spatial-scale
#5
Daniel Adyro Martínez-Bello, Antonio López-Quílez, Alexander Torres Prieto
BACKGROUND: Dengue is a high incidence arboviral disease in tropical countries around the world. Colombia is an endemic country due to the favourable environmental conditions for vector survival and spread. Dengue surveillance in Colombia is based in passive notification of cases, supporting monitoring, prediction, risk factor identification and intervention measures. Even though the surveillance network works adequately, disease mapping techniques currently developed and employed for many health problems are not widely applied...
August 15, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28793901/mobility-assessment-of-a-rural-population-in-the-netherlands-using-gps-measurements
#6
Gijs Klous, Lidwien A M Smit, Floor Borlée, Roel A Coutinho, Mirjam E E Kretzschmar, Dick J J Heederik, Anke Huss
BACKGROUND: The home address is a common spatial proxy for exposure assessment in epidemiological studies but mobility may introduce exposure misclassification. Mobility can be assessed using self-reports or objectively measured using GPS logging but self-reports may not assess the same information as measured mobility. We aimed to assess mobility patterns of a rural population in the Netherlands using GPS measurements and self-reports and to compare GPS measured to self-reported data, and to evaluate correlates of differences in mobility patterns...
August 9, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28784135/transforming-geographic-scale-a-comparison-of-combined-population-and-areal-weighting-to-other-interpolation-methods
#7
Elaine Hallisey, Eric Tai, Andrew Berens, Grete Wilt, Lucy Peipins, Brian Lewis, Shannon Graham, Barry Flanagan, Natasha Buchanan Lunsford
BACKGROUND: Transforming spatial data from one scale to another is a challenge in geographic analysis. As part of a larger, primary study to determine a possible association between travel barriers to pediatric cancer facilities and adolescent cancer mortality across the United States, we examined methods to estimate mortality within zones at varying distances from these facilities: (1) geographic centroid assignment, (2) population-weighted centroid assignment, (3) simple areal weighting, (4) combined population and areal weighting, and (5) geostatistical areal interpolation...
August 7, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28784125/ecological-niche-modeling-to-determine-potential-niche-of-vaccinia-virus-a-case-only-study
#8
Claire A Quiner, Yoshinori Nakazawa
BACKGROUND: Emerging and understudied pathogens often lack information that most commonly used analytical tools require, such as negative controls or baseline data; thus, new analytical strategies are needed to analyze transmission patterns and drivers of disease emergence. Zoonotic infections with Vaccinia virus (VACV) were first reported in Brazil in 1999, VACV is an emerging zoonotic Orthopoxvirus, which primarily infects dairy cattle and farmers in close contact with infected cows...
August 7, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28778205/online-versus-in-person-comparison-of-microscale-audit-of-pedestrian-streetscapes-maps-assessments-reliability-of-alternate-methods
#9
Christine B Phillips, Jessa K Engelberg, Carrie M Geremia, Wenfei Zhu, Jonathan M Kurka, Kelli L Cain, James F Sallis, Terry L Conway, Marc A Adams
BACKGROUND: An online version of the Microscale Audit of Pedestrian Streetscapes (Abbreviated) tool was adapted to virtually audit built environment features supportive of physical activity. The current study assessed inter-rater reliability of MAPS Online between in-person raters and online raters unfamiliar with the regions. METHODS: In-person and online audits were conducted for a total of 120 quarter-mile routes (60 per site) in Phoenix, AZ and San Diego, CA...
August 4, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28738805/spatial-variability-of-excess-mortality-during-prolonged-dust-events-in-a-high-density-city-a-time-stratified-spatial-regression-approach
#10
Man Sing Wong, Hung Chak Ho, Lin Yang, Wenzhong Shi, Jinxin Yang, Ta-Chien Chan
BACKGROUND: Dust events have long been recognized to be associated with a higher mortality risk. However, no study has investigated how prolonged dust events affect the spatial variability of mortality across districts in a downwind city. METHODS: In this study, we applied a spatial regression approach to estimate the district-level mortality during two extreme dust events in Hong Kong. We compared spatial and non-spatial models to evaluate the ability of each regression to estimate mortality...
July 24, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28724433/gridsample-an-r-package-to-generate-household-survey-primary-sampling-units-psus-from-gridded-population-data
#11
Dana R Thomson, Forrest R Stevens, Nick W Ruktanonchai, Andrew J Tatem, Marcia C Castro
BACKGROUND: Household survey data are collected by governments, international organizations, and companies to prioritize policies and allocate billions of dollars. Surveys are typically selected from recent census data; however, census data are often outdated or inaccurate. This paper describes how gridded population data might instead be used as a sample frame, and introduces the R GridSample algorithm for selecting primary sampling units (PSU) for complex household surveys with gridded population data...
July 19, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28709431/is-gentrification-all-bad-positive-association-between-gentrification-and-individual-s-perceived-neighborhood-collective-efficacy-in-montreal-canada
#12
Madeleine Steinmetz-Wood, Rania Wasfi, George Parker, Lisa Bornstein, Jean Caron, Yan Kestens
BACKGROUND: Collective efficacy has been associated with many health benefits at the neighborhood level. Therefore, understanding why some communities have greater collective efficacy than others is important from a public health perspective. This study examined the relationship between gentrification and collective efficacy, in Montreal Canada. METHODS: A gentrification index was created using tract level median household income, proportion of the population with a bachelor's degree, average rent, proportion of the population with low income, and proportion of the population aged 30-44...
July 14, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28666446/estimating-the-prevalence-of-26-health-related-indicators-at-neighbourhood-level-in-the-netherlands-using-structured-additive-regression
#13
Jan van de Kassteele, Laurens Zwakhals, Oscar Breugelmans, Caroline Ameling, Carolien van den Brink
BACKGROUND: Local policy makers increasingly need information on health-related indicators at smaller geographic levels like districts or neighbourhoods. Although more large data sources have become available, direct estimates of the prevalence of a health-related indicator cannot be produced for neighbourhoods for which only small samples or no samples are available. Small area estimation provides a solution, but unit-level models for binary-valued outcomes that can handle both non-linear effects of the predictors and spatially correlated random effects in a unified framework are rarely encountered...
July 1, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28592255/developing-a-data-driven-spatial-approach-to-assessment-of-neighbourhood-influences-on-the-spatial-distribution-of-myocardial-infarction
#14
Wahida Kihal-Talantikite, Christiane Weber, Gaelle Pedrono, Claire Segala, Dominique Arveiler, Clive E Sabel, Séverine Deguen, Denis Bard
BACKGROUND: There is a growing understanding of the role played by 'neighbourhood' in influencing health status. Various neighbourhood characteristics-such as socioeconomic environment, availability of amenities, and social cohesion, may be combined-and this could contribute to rising health inequalities. This study aims to combine a data-driven approach with clustering analysis techniques, to investigate neighbourhood characteristics that may explain the geographical distribution of the onset of myocardial infarction (MI) risk...
June 7, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28587623/intersection-of-neighborhood-dynamics-and-socioeconomic-status-in-small-area-walkability-the-heart-healthy-hoods-project
#15
Pedro Gullón, Usama Bilal, Alba Cebrecos, Hannah M Badland, Iñaki Galán, Manuel Franco
BACKGROUND: Previous studies found a complex relationship between area-level socioeconomic status (SES) and walkability. These studies did not include neighborhood dynamics. Our aim was to study the association between area-level SES and walkability in the city of Madrid (Spain) evaluating the potential effect modification of neighborhood dynamics. METHODS: All census sections of the city of Madrid (n = 2415) were included. Area-level SES was measured using a composite index of 7 indicators in 4 domains (education, wealth, occupation and living conditions)...
June 6, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28558782/systematic-literature-review-of-reproductive-outcome-associated-with-residential-proximity-to-polluted-sites
#16
REVIEW
Wahida Kihal-Talantikite, Denis Zmirou-Navier, Cindy Padilla, Séverine Deguen
This study aims to assess the evidence on adverse pregnancy outcome associated with living close to polluted industrial sites, and identify the strengths and weaknesses of published epidemiological studies. A systematic literature search has been performed on all epidemiological studies published in developed countries since 1990, on the association between residential proximity to industrial sites (hazardous waste sites, industrial facilities and landfill sites) and adverse pregnancy outcome (low birth weight, preterm birth, small for gestational age, intrauterine growth retardation, infant mortality, congenital malformation)...
May 30, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28506288/visualizing-statistical-significance-of-disease-clusters-using-cartograms
#17
Barry J Kronenfeld, David W S Wong
BACKGROUND: Health officials and epidemiological researchers often use maps of disease rates to identify potential disease clusters. Because these maps exaggerate the prominence of low-density districts and hide potential clusters in urban (high-density) areas, many researchers have used density-equalizing maps (cartograms) as a basis for epidemiological mapping. However, we do not have existing guidelines for visual assessment of statistical uncertainty. To address this shortcoming, we develop techniques for visual determination of statistical significance of clusters spanning one or more districts on a cartogram...
May 15, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28482842/contextual-influences-affecting-patterns-of-overweight-and-obesity-among-university-students-a-50-universities-population-based-study-in-china
#18
Tingzhong Yang, Lingwei Yu, Ross Barnett, Shuhan Jiang, Sihui Peng, Yafeng Fan, Lu Li
BACKGROUND: Many studies have examined childhood and adolescent obesity, but few have examined young adults and the effect of their home and current living environments on prevalence rates. The present study explores contextual factors affecting overweight and obesity among university students in China and, in particular, focuses on how the SES-obesity relationship varies across different geographical contexts. METHODS: Participants were 11,673 students, who were identified through a multistage survey sampling process conducted in 50 universities...
May 8, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28446215/erratum-to-influence-of-pok%C3%A3-mon-go-on-physical-activity-levels-of-university-players-a-cross-sectional-study
#19
Fiona Y Wong
No abstract text is available yet for this article.
April 26, 2017: International Journal of Health Geographics
https://www.readbyqxmd.com/read/28446187/characterisation-of-the-natural-environment-quantitative-indicators-across-europe
#20
Graham Smith, Marta Cirach, Wim Swart, Audrius Dėdelė, Christopher Gidlow, Elise van Kempen, Hanneke Kruize, Regina Gražulevičienė, Mark J Nieuwenhuijsen
BACKGROUND: The World Health Organization recognises the importance of natural environments for human health. Evidence for natural environment-health associations comes largely from single countries or regions, with varied approaches to measuring natural environment exposure. We present a standardised approach to measuring neighbourhood natural environment exposure in cities in different regions of Europe. METHODS: The Positive Health Effects of the Natural Outdoor environment in TYPical populations of different regions in Europe (PHENOTYPE) study aimed to explore the mechanisms linking natural environment exposure and health in four European cities (Barcelona, Spain; Doetinchem, the Netherlands; Kaunas, Lithuania; and Stoke-on-Trent, UK)...
April 26, 2017: International Journal of Health Geographics
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