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Geographically weighted regression

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https://www.readbyqxmd.com/read/28623074/geographic-variability-in-gestational-weight-gain-a-multilevel-population-based-study-of-women-having-term-births-in-florida-2005-2012
#1
Maya Tabet, Erik Nelson, Mario Schootman, Lung-Chang Chien, Jen Jen Chang
PURPOSE: We examined the extent of geographic variability in gestational weight gain (GWG), identified areas where women have suboptimal GWG, and evaluated whether individual- and area-level factors account for such variability. METHODS: We conducted a population-based cohort study including 1,385,574 women delivering term, singleton, and live births in Florida. We used a Bayesian, structured additive regression with a spatial function to analyze data from Florida's birth certificates (2005-2012) and ZIP code tabulation areas (ZCTAs; 2010 Census)...
June 1, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28617348/urban-ecological-security-simulation-and-prediction-using-an-improved-cellular-automata-ca-approach-a-case-study-for-the-city-of-wuhan-in-china
#2
Yuan Gao, Chuanrong Zhang, Qingsong He, Yaolin Liu
Ecological security is an important research topic, especially urban ecological security. As highly populated eco-systems, cities always have more fragile ecological environments. However, most of the research on urban ecological security in literature has focused on evaluating current or past status of the ecological environment. Very little literature has carried out simulation or prediction of future ecological security. In addition, there is even less literature exploring the urban ecological environment at a fine scale...
June 15, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28608606/waist-to-height-ratio-and-its-association-with-tv-viewing-in-a-sample-of-portuguese-children-aged-7-9-years
#3
Aristides M Machado-Rodrigues, João Valente-Dos-Santos, Romulo Fernandes, Augusta Gama, Isabel Mourao, Helena Nogueira, Vitor Marques, Cristina Padez
INTRODUCTION: During the past decades, increased TV viewing and reduced physical activity (PA) levels may have contributed to the increased prevalence of pediatric obesity. This study aimed to analyze the association between TV viewing and central adiposity risk in Portuguese children. METHODS: The sample comprised 3987 children (1997 girls and 1990 boys) aged 7-9 years. Height, weight, and waist circumference (WC) were measured. Waist-to-height ratio (WHtR) was calculated as the ratio of waist/height with a cut-off of 0...
June 13, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28589236/geographic-variation-in-mental-health-care-disparities-among-racially-ethnically-diverse-adults-with-psychiatric-disorders
#4
Giyeon Kim, Natalie Dautovich, Katy-Lauren Ford, Daniel E Jimenez, Benjamin Cook, Richard M Allman, Patricia Parmelee
PURPOSE: The main purpose of this paper is to examine geographic variation in unmet need for mental health care among racially/ethnically diverse adults with psychiatric disorders in the US. METHODS: Drawn from the Collaborative Psychiatric Epidemiology Surveys (CPES; 2001-2003), adults with any past year psychiatric disorder diagnosis (n = 3211) from diverse racial/ethnic backgrounds were selected for analyses. Using weighted data, descriptive analyses and logistic regression analyses were conducted...
June 6, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28580392/a-genome-wide-association-study-meta-analysis-of-clinical-fracture-in-10-012-african-american-women
#5
Kira C Taylor, Daniel S Evans, Digna R Velez Edwards, Todd L Edwards, Tamar Sofer, Guo Li, Youfang Liu, Nora Franceschini, Rebecca D Jackson, Ayush Giri, Macarius Donneyong, Bruce Psaty, Jerome I Rotter, Andrea Z LaCroix, Joanne M Jordan, John A Robbins, Beth Lewis, Marcia L Stefanick, Yongmei Liu, Melissa Garcia, Tamara Harris, Jane A Cauley, Kari E North
BACKGROUND: Osteoporosis is a major public health problem associated with excess disability and mortality. It is estimated that 50-70% of the variation in osteoporotic fracture risk is attributable to genetic factors. The purpose of this hypothesis-generating study was to identify possible genetic determinants of fracture among African American (AA) women in a GWAS meta-analysis. METHODS: Data on clinical fractures (all fractures except fingers, toes, face, skull or sternum) were analyzed among AA female participants in the Women's Health Initiative (WHI) (N = 8155), Cardiovascular Health Study (CHS) (N = 504), BioVU (N = 704), Health ABC (N = 651), and the Johnston County Osteoarthritis Project (JoCoOA) (N = 291)...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28573469/geographic-epidemiology-of-hepatocellular-carcinoma-viral-hepatitis-and-socioeconomic-position-in-new-york-city
#6
Mary M Ford, Elena Ivanina, Payal Desai, Linda Highfield, Baozhen Qiao, Maria J Schymura, Fabienne Laraque
PURPOSE: Liver cancer (hepatocellular carcinoma (HCC)) incidence and mortality rates are increasing in the United States. New York City (NYC) has a high burden of liver cancer risk factors, including hepatitis C (HCV) and hepatitis B (HBV) infection, which disproportionately affect persons of low socioeconomic position. Identifying neighborhoods with HCC disparities is essential to effectively define targeted cancer control strategies. METHODS: New York State Cancer Registry data from 1 January 2001 through 31 December 2012 were matched with NYC HCV and HBV surveillance data...
June 1, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28571000/quantitative-assessment-of-the-effect-of-pre-gestational-diabetes-and-risk-of-adverse-maternal-perinatal-and-neonatal-outcomes
#7
Lei Yu, Xiao-Ling Zeng, Ming-Liang Cheng, Guo-Zhen Yang, Bi Wang, Zi-Wen Xiao, Xin Luo, Bao-Fang Zhang, De-Wei Xiao, Shuai Zhang, Hua-Juan Liu, Ya-Xin Hu, Hou-Kang Lei, Qin-Fen Li, Zheng-Rong Wang
Pregnancies complicated by pre-gestational diabetes (PGD) are associated with a higher rate of adverse outcomes, including an increased rage of preterm delivery, pregnancy-induced hypertension, pre-eclampsia, caesarean section, perinatal mortality, stillbirth, shoulder dystocia, macrosomia, small for gestational age, large for gestational age, low birth weight, neonatal hypoglycemia, neonatal death, low Apgar score, NICU admission, jaundice and respiratory distress. In the past two decades, numerous reports have been published regarding associations between PGD and risk of adverse outcomes...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28557711/prenatal-residential-proximity-to-agricultural-pesticide-use-and-iq-in-7-year-old-children
#8
Robert B Gunier, Asa Bradman, Kim G Harley, Katherine Kogut, Brenda Eskenazi
BACKGROUND: Residential proximity to agricultural pesticide use has been associated with neural tube defects and autism, but more subtle outcomes such as cognition have not been studied. OBJECTIVES: We evaluated the relationship between prenatal residential proximity to agricultural use of potentially neurotoxic pesticides and neurodevelopment in 7-year-old children. METHODS: Participants included mothers and children ([Formula: see text]) living in the agricultural Salinas Valley of California enrolled in the Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) study...
May 25, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28555482/neonatal-mortality-in-east-africa-and-west-africa-a-geographic-analysis-of-district-level-demographic-and-health-survey-data
#9
Sue C Grady, April N Frake, Qiong Zhang, Matlhogonolo Bene, Demetrice R Jordan, Joshua Vertalka, Thania C Dossantos, Ameen Kadhim, Judith Namanya, Lisa-Marie Pierre, Yi Fan, Peiling Zhou, Fatoumata B Barry, Libbey Kutch
Under-five child mortality declined 47% since 2000 following the implementation of the United Nation's (UN) Millennium Development Goals. To further reduce under-five child mortality, the UN's Sustainable Development Goals (SDGs) will focus on interventions to address neonatal mortality, a major contributor of under-five mortality. The African region has the highest neonatal mortality rate (28.0 per 1000 live births), followed by that of the Eastern Mediterranean (26.6) and South-East Asia (24.3). This study used the Demographic and Health Survey Birth Recode data (http://dhsprogram...
May 26, 2017: Geospatial Health
https://www.readbyqxmd.com/read/28552188/environmental-risk-factors-for-the-incidence-of-cutaneous-leishmaniasis-in-an-endemic-area-of-iran-a-gis-based-approach
#10
Roghieh Ramezankhani, Arezoo Hosseini, Nooshin Sajjadi, Mostafa Khoshabi, Azra Ramezankhani
OBJECTIVES: This study was designed to determine the environmental factors associated with cutaneous leishmaniasis (CL) in Isfahan Province, using spatial analysis. METHODS: Data of monthly CL incidence from 2010 to 2013, climate and environmental factors including: temperature, humidity, rainfall, wind speed, normalized difference vegetation index (NDVI), altitude and population density across the Isfahan's cities was used to perform spatial analysis by ordinary least square (OLS) regression and geographically weighted regression (GWR)...
June 2017: Spatial and Spatio-temporal Epidemiology
https://www.readbyqxmd.com/read/28552008/individual-exposure-to-nitrogen-dioxide-and-adverse-pregnancy-outcomes-in-kaunas-study
#11
Audrius Dedele, Regina Grazuleviciene, Aukse Miskinyte
Several epidemiological studies have found some evidence suggesting that exposure to air pollutants during pregnancy increases the risk of adverse birth outcomes. In this cohort study, we assessed individual maternal exposure to nitrogen dioxide (NO2) during pregnancy and examined the association between the exposure and pregnancy outcomes, such as low birth weight (LBW), term low birth weight (TLBW), small for gestational age (SGA) and preterm birth (PB). 3292 women living in Kaunas city, Lithuania, data and their singleton newborns were included in the study...
May 27, 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28545582/gender-differences-in-hypertension-awareness-antihypertensive-use-and-blood-pressure-control-in-bangladeshi-adults-findings-from-a-national-cross-sectional-survey
#12
Muntasirur Rahman, Gail Williams, Abdullah Al Mamun
BACKGROUND: Bangladesh is facing an epidemiological transition with a growing burden of non-communicable diseases. Traditionally, hypertension and associated complications in women receive less recognition, and there is a dearth of related publications. The study aims to explore gender differences in high blood pressure awareness and antihypertensive use in Bangladeshi adults at the community level. Another objective is to identify factors associated with uncontrolled hypertension among antihypertensive users...
May 25, 2017: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/28531796/spatially-explicit-modeling-of-multi-scale-drivers-of-aboveground-forest-biomass-and-water-yield-in-watersheds-of-the-southeastern-united-states
#13
Mukhtar Ahmed Ajaz Ahmed, Amr Abd-Elrahman, Francisco J Escobedo, Wendell P Cropper, Timothy A Martin, Nilesh Timilsina
Understanding ecosystem processes and the influence of regional scale drivers can provide useful information for managing forest ecosystems. Examining more local scale drivers of forest biomass and water yield can also provide insights for identifying and better understanding the effects of climate change and management on forests. We used diverse multi-scale datasets, functional models and Geographically Weighted Regression (GWR) to model ecosystem processes at the watershed scale and to interpret the influence of ecological drivers across the Southeastern United States (SE US)...
September 1, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28522219/racial-variation-in-semen-quality-at-fertility-evaluation
#14
Yash S Khandwala, Chiyuan A Zhang, Shufeng Li, Barry Behr, David Guo, Michael L Eisenberg
OBJECTIVE: To identify racial differences in semen quality among men living in the same geographic area seeking fertility evaluation. METHODS: Men obtaining a semen analysis for infertility evaluation or treatment between 2012 and 2016 at a single center were identified and demographic data including height, weight, BMI and age were described. Mean semen parameters and the proportions of men with suboptimal parameters based on the WHO 5(th) edition criteria were also compared based on race...
May 15, 2017: Urology
https://www.readbyqxmd.com/read/28493598/bystander-cpr-is-clustered-and-associated-with-neighborhood-socioeconomic-characteristics-a-geospatial-analysis-of-kent-county-michigan
#15
Amy Uber, Richard C Sadler, Todd Chassee, Joshua C Reynolds
OBJECTIVES: Geographic clustering of bystander CPR is associated with demographic and socioeconomic features of the community where out-of-hospital cardiac arrest (OHCA) occurred, though this association remains largely untested in rural areas. With a significant rural component and relative racial homogeneity, Kent County, Michigan provides a unique setting to externally validate or identify new community features associated with bystander CPR. Using a large, countywide dataset, we tested for geographic clustering of bystander CPR, and its associations with community socioeconomic features...
May 11, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28489042/spatial-analysis-of-ambient-pm2-5-exposure-and-bladder-cancer-mortality-in-taiwan
#16
Hsin-Ling Yeh, Shang-Wei Hsu, Yu-Chia Chang, Ta-Chien Chan, Hui-Chen Tsou, Yen-Chen Chang, Po-Huang Chiang
Fine particulate matter (PM2.5) is an air pollutant that is receiving intense regulatory attention in Taiwan. In previous studies, the effect of air pollution on bladder cancer has been explored. This study was conducted to elucidate the effect of atmospheric PM2.5 and other local risk factors on bladder cancer mortality based on available 13-year mortality data. Geographically weighted regression (GWR) was applied to estimate and interpret the spatial variability of the relationships between bladder cancer mortality and ambient PM2...
May 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28486357/inpatient-postpartum-long-acting-reversible-contraception-and-sterilization-in-the-united-states-2008-2013
#17
Michelle H Moniz, Tammy Chang, Michele Heisler, Lindsay Admon, Acham Gebremariam, Vanessa K Dalton, Matthew M Davis
OBJECTIVE: To measure rates of long-acting reversible contraception (LARC), including intrauterine devices and contraceptive implants, and tubal sterilization during delivery hospitalizations and correlates of their use. METHODS: This retrospective cohort study used the 2008-2013 National Inpatient Sample, a publicly available all-payer database. We identified delivery hospitalizations with the International Classification of Diseases, 9th Revision, Clinical Modification codes for intrauterine device insertion, contraceptive implant insertion, and tubal sterilization...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28484861/sex-life-satisfaction-in-sub-saharan-africa-a-descriptive-and-exploratory-analysis
#18
Stephen Cranney
Nearly all of the sex life satisfaction literature has dealt with developed-country settings, and nothing has been published on sex life satisfaction in sub-Saharan Africa. Not only is sub-Saharan African a substantively relevant area in its own right, but it also provides a useful point of comparison for patterns and relations found in developed-world contexts. A brief descriptive and exploratory study of sex life satisfaction in sub-Saharan Africa was conducted using the World Gallup Poll, a dataset with representative sex life satisfaction data for 31 countries and 25,483 cases...
May 8, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28483064/missed-opportunities-for-hepatitis-a-vaccination-national-immunization-survey-child-2013
#19
Shannon M Casillas, Robert A Bednarczyk
OBJECTIVES: To quantify the number of missed opportunities for vaccination with hepatitis A vaccine in children and assess the association of missed opportunities for hepatitis A vaccination with covariates of interest. STUDY DESIGN: Weighted data from the 2013 National Immunization Survey of US children aged 19-35 months were used. Analysis was restricted to children with provider-verified vaccination history (n = 13 460). Missed opportunities for vaccination were quantified by determining the number of medical visits a child made when another vaccine was administered during eligibility for hepatitis A vaccine, but hepatitis A vaccine was not administered...
May 5, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28478789/spatial-distribution-of-mumps-in-south-korea-2001-2015-identifying-clusters-and-population-risk-factors
#20
Y-J Choe, K Min, S-I Cho
In South Korea, the resurgence of mumps was noted primarily among school-aged children and adolescents since 2000. We analyzed spatial patterns in mumps incidence to give an indication to the geographical risk. We used National Notifiable Disease Surveillance System data from 2001 to 2015, classifying into three periods according to the level of endemicity. A geographic-weighted regression analysis was performed to find demographic predictors of mumps incidence according to district level. We assessed the association between the total population size, population density, percentage of children (age 0-19 years), timely vaccination rate of measles-mumps-rubella vaccines and the higher incidence rate of mumps...
May 8, 2017: Epidemiology and Infection
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