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  1. Article ; Online: Geographic mobility and its impact on sexual health and ongoing HIV transmission among migrant latinx men who have sex with men.

    Cassels, Susan / Cerezo, Alison / Reid, Sean C / Rivera, David B / Loustalot, Colin / Meltzer, Dan

    Social science & medicine (1982)

    2023  Volume 320, Page(s) 115635

    Abstract: An understudied social process that may determine variable HIV risk, testing, and linkage to care is geographic mobility, including immigration as well as short-term mobility, especially among sexual minority populations. We aimed to assess how ... ...

    Abstract An understudied social process that may determine variable HIV risk, testing, and linkage to care is geographic mobility, including immigration as well as short-term mobility, especially among sexual minority populations. We aimed to assess how geographic mobility over the lifecourse between Latin America and the U.S., and within the U.S., was linked to sexual risk and health behaviors among Latinx migrant men who have sex with men (MSM) in San Bernardino County, California. Qualitative analysis of 16 semi-structured interviews revealed four major domains of influence on participants' sexual risk behaviors. At the micro level, these included social environment/interpersonal factors (e.g., family and peer support) and geographic factors and pathways (e.g., migration journey to the U.S.). At the macro level data centered on cultural factors (e.g., gender norms in home country) and structural factors (e.g., HIV healthcare). Our results can illuminate and promote effective health policies and HIV reduction efforts for Latinx migrant MSM in metro areas.
    MeSH term(s) Humans ; Male ; Hispanic or Latino ; HIV Infections/transmission ; Homosexuality, Male ; Sexual and Gender Minorities ; Sexual Behavior ; Sexual Health ; Transients and Migrants
    Language English
    Publishing date 2023-01-06
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 4766-1
    ISSN 1873-5347 ; 0037-7856 ; 0277-9536
    ISSN (online) 1873-5347
    ISSN 0037-7856 ; 0277-9536
    DOI 10.1016/j.socscimed.2022.115635
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Neighborhood-level COVID vaccination and booster disparities: A population-level analysis across California.

    Oh, Debora L / Kemper, Kathryn E / Meltzer, Dan / Canchola, Alison J / Bibbins-Domingo, Kirsten / Lyles, Courtney R

    SSM - population health

    2023  Volume 22, Page(s) 101366

    Abstract: Objectives: To describe vaccine and booster uptake by neighborhood-level factors in California.: Methods: We examined trends in COVID-19 vaccination up to September 21, 2021, and boosters up to March 29, 2022 using data from the California Department ...

    Abstract Objectives: To describe vaccine and booster uptake by neighborhood-level factors in California.
    Methods: We examined trends in COVID-19 vaccination up to September 21, 2021, and boosters up to March 29, 2022 using data from the California Department of Public Health. Quasi-Poisson regression was used to model the association between neighborhood-level factors and fully vaccinated and boosted among ZIP codes. Sub-analyses on booster rates were compared among the 10 census regions.
    Results: In a minimally adjusted model, a higher proportion of Black residents was associated with lower vaccination (HR = 0.97; 95%CI: 0.96-0.98). However, in a fully adjusted model, proportion of Black, Hispanic/Latinx, and Asian residents were associated with higher vaccination rates (HR = 1.02; 95%CI: 1.01-1.03 for all). The strongest predictor of low vaccine coverage was disability (HR = 0.89; 95%CI: 0.86-0.91). Similar trends persisted for booster doses. Factors associated with booster coverage varied by region.
    Conclusions: Examining neighborhood-level factors associated with COVID-19 vaccination and booster rates uncovered significant variation within the large and geographically and demographically diverse state of California. Equity-based approaches to vaccination must ensure a robust consideration of multiple social determinants of health.
    Language English
    Publishing date 2023-02-21
    Publishing country England
    Document type Journal Article
    ISSN 2352-8273
    ISSN 2352-8273
    DOI 10.1016/j.ssmph.2023.101366
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: The Association of Alcohol Outlet Density with Alcohol Intake: The Multiethnic Cohort.

    Acuna, Nicholas / Shariff-Marco, Salma / Wu, Anna H / Meltzer, Dan / Inamdar, Pushkar / Lim, Tiffany / Marchand, Loïc Le / Haiman, Christopher A / Wilkens, Lynne R / Cheng, Iona / Setiawan, Veronica Wendy

    Journal of studies on alcohol and drugs

    2024  

    Abstract: Objective: Neighborhood characteristics have been shown to influence lifestyle behaviors. Here we characterized alcohol outlet density in Los Angeles County, California, and Hawaii and assessed the association of alcohol outlet density with self- ... ...

    Abstract Objective: Neighborhood characteristics have been shown to influence lifestyle behaviors. Here we characterized alcohol outlet density in Los Angeles County, California, and Hawaii and assessed the association of alcohol outlet density with self-reported alcohol intake in the Multiethnic Cohort.
    Method: Participants (n=178,977) had their addresses geocoded, at cohort entry (1993-1996), and appended to block group-level alcohol outlet densities (on- and off-premises). Multinomial logistic regression was performed to assess the association between self-reported alcohol intake and on- and off-premise alcohol outlet densities by each state. Stratified analysis was conducted by sex, race, and ethnicity.
    Results: Overall, we did not find associations between alcohol outlet density and self-reported alcohol intake in Los Angeles County, but we found that on-premise alcohol outlets were associated with 59% (OR=1.59, 95% CI:1.29,1.96) increased odds of consuming >2 drinks per day in Hawaii. Women living in neighborhoods with high density of on-premise alcohol outlets (Los Angeles County OR=1.15, 95% CI: 0.95,1.40) and (Hawaii OR=2.07, 95% CI: 1.43,3.01) had an increased odds of >2 drinks per day.
    Conclusion: This study suggests that neighborhood factors are associated with individual level behaviors and that there may be a need for multilevel interventions.
    Language English
    Publishing date 2024-02-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2266450-6
    ISSN 1938-4114 ; 1934-2683 ; 1937-1888 ; 0096-882X
    ISSN (online) 1938-4114 ; 1934-2683
    ISSN 1937-1888 ; 0096-882X
    DOI 10.15288/jsad.23-00138
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Geographic Mobility, Place Attachment, and the Changing Geography of Sex among African American and Latinx MSM Who Use Substances in Los Angeles.

    Cassels, Susan / Meltzer, Dan / Loustalot, Colin / Ragsdale, Amy / Shoptaw, Steve / Gorbach, Pamina M

    Journal of urban health : bulletin of the New York Academy of Medicine

    2020  Volume 97, Issue 5, Page(s) 609–622

    Abstract: The places that people go and interact with others, along with the characteristics of those places, determine degrees of sexual health risk and concomitant prevention opportunities for gay, bisexual, and other men who have sex with men (MSM). The ... ...

    Abstract The places that people go and interact with others, along with the characteristics of those places, determine degrees of sexual health risk and concomitant prevention opportunities for gay, bisexual, and other men who have sex with men (MSM). The objective of this paper is to use syndemic theory to guide analyses of 20 in-depth interviews with African American and Hispanic/Latinx MSM living in Los Angeles. We describe the places in which African American and Latinx MSM interviewees live and socialize, and how these places influence sexual behavior, drug use, and access to health care. We find common spatial patterns in mobility, incongruence in residential and sexual places, and differing geographic patterns of sex by men who use geo-social hook-up apps. Significant instability in home life and varying forms of mobility and risk-taking were a response to cumulative disadvantage and intersecting structural forces including poverty, racism, and homophobia. Our results strongly suggest that geographic mobility is a syndemic factor for HIV risk among MSM in Los Angeles, as mobility amplified negative impacts of other syndemic factors. Innovative place-interventions to reduce HIV incidence and disparities in HIV need to acknowledge the synergistic factors that drive higher HIV incidence among AA and Latinx MSM.
    MeSH term(s) Adult ; Black or African American/statistics & numerical data ; Bisexuality/statistics & numerical data ; Geography ; HIV Infections/epidemiology ; Hispanic or Latino/statistics & numerical data ; Homophobia/statistics & numerical data ; Homosexuality, Male/statistics & numerical data ; Humans ; Interpersonal Relations ; Los Angeles/epidemiology ; Male ; Middle Aged ; Poverty/statistics & numerical data ; Risk Factors ; Sexual Behavior/statistics & numerical data ; Sexual and Gender Minorities/statistics & numerical data ; Substance-Related Disorders/epidemiology ; Syndemic ; Young Adult
    Language English
    Publishing date 2020-09-29
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1435288-6
    ISSN 1468-2869 ; 1099-3460
    ISSN (online) 1468-2869
    ISSN 1099-3460
    DOI 10.1007/s11524-020-00481-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Probabilistic risk assessment of residential exposure to metal(loid)s in a mining impacted community.

    Huerta, Diego / Schobel, Taylor / Alexander-Ozinskas, Annika / Hild, Joanne / Lauder, Jeff / Reynolds, Peggy / Von Behren, Julie / Meltzer, Dan / Ramírez-Andreotta, Mónica D

    The Science of the total environment

    2023  Volume 872, Page(s) 162228

    Abstract: The "Gold Country" region of California is impacted by legacy and active gold mines. Concomitantly, Gold Country has an increased rate of female breast cancer relative to the state average. Using community-based participatory research methods, 40 ... ...

    Abstract The "Gold Country" region of California is impacted by legacy and active gold mines. Concomitantly, Gold Country has an increased rate of female breast cancer relative to the state average. Using community-based participatory research methods, 40 participants completed surveys and collected a total of 354 water, soil, home-grown foods, and dust samples from their homes, which we compared to state, federal, and international contamination standards for arsenic, cadmium, and lead. All soil samples exceeded U.S. EPA and California EPA soil standards for arsenic. When comparing other media to state, federal and international standards for arsenic, cadmium, and lead, 15 additional exceedances for indoor/outdoor dust, drinking water, and/or vegetable were documented. A probabilistic risk assessment was conducted to determine an adult female's exposure to arsenic, cadmium, and lead and estimated risk. Arsenic exposure, due largely to water (63.5 %) and homegrown food (33.3 %), presents carcinogenic risks in excess of the EPA recommended upper limit for contaminated sites (1 × 10
    MeSH term(s) Adult ; Humans ; Female ; Arsenic/analysis ; Cadmium ; Soil Pollutants/analysis ; Environmental Exposure/analysis ; Gold ; Dust/analysis ; Drinking Water/analysis ; Risk Assessment ; Breast Neoplasms ; Soil
    Chemical Substances Arsenic (N712M78A8G) ; Cadmium (00BH33GNGH) ; Soil Pollutants ; Gold (7440-57-5) ; Dust ; Drinking Water ; Soil
    Language English
    Publishing date 2023-02-14
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2023.162228
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Asian American Enclaves and Healthcare Accessibility: An Ecologic Study Across Five States.

    Guan, Alice / Pruitt, Sandi L / Henry, Kevin A / Lin, Katherine / Meltzer, Dan / Canchola, Alison J / Rathod, Aniruddha B / Hughes, Amy E / Kroenke, Candyce H / Gomez, Scarlett L / Hiatt, Robert A / Stroup, Antoinette M / Pinheiro, Paulo S / Boscoe, Francis P / Zhu, Hong / Shariff-Marco, Salma

    American journal of preventive medicine

    2023  Volume 65, Issue 6, Page(s) 1015–1025

    Abstract: Introduction: Access to primary care has been a long-standing priority for improving population health. Asian Americans, who often settle in ethnic enclaves, have been found to underutilize health care. Understanding geographic primary care ... ...

    Abstract Introduction: Access to primary care has been a long-standing priority for improving population health. Asian Americans, who often settle in ethnic enclaves, have been found to underutilize health care. Understanding geographic primary care accessibility within Asian American enclaves can help to ensure the long-term health of this fast-growing population.
    Methods: U.S. Census data from five states (California, Florida, New Jersey, New York, and Texas) were used to develop and describe census-tract level measures of Asian American enclaves and social and built environment characteristics for years 2000 and 2010. The 2-step floating catchment area method was applied to National Provider Identifier data to develop a tract-level measure of geographic primary care accessibility. Analyses were conducted in 2022-2023, and associations between enclaves (versus nonenclaves) and geographic primary care accessibility were evaluated using multivariable Poisson regression with robust variance estimation, adjusting for potential area-level confounders.
    Results: Of 24,482 census tracts, 26.1% were classified as Asian American enclaves. Asian American enclaves were more likely to be metropolitan and have less poverty, lower crime, and lower proportions of uninsured individuals than nonenclaves. Asian American enclaves had higher primary care accessibility than nonenclaves (adjusted prevalence ratio=1.23, 95% CI=1.17, 1.29).
    Conclusions: Asian American enclaves in five of the most diverse and populous states in the U.S. had fewer markers of disadvantage and greater geographic primary care accessibility. This study contributes to the growing body of research elucidating the constellation of social and built environment features within Asian American enclaves and provides evidence of health-promoting characteristics of these neighborhoods.
    MeSH term(s) Humans ; Asian ; Health Services Accessibility ; Poverty ; Residence Characteristics ; United States
    Language English
    Publishing date 2023-07-08
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 632646-8
    ISSN 1873-2607 ; 0749-3797
    ISSN (online) 1873-2607
    ISSN 0749-3797
    DOI 10.1016/j.amepre.2023.07.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Neighborhood Factors Associated with COVID-19 Cases in California.

    Oh, Debora L / Meltzer, Dan / Wang, Katarina / Canchola, Alison J / DeRouen, Mindy C / McDaniels-Davidson, Corinne / Gibbons, Joseph / Carvajal-Carmona, Luis / Nodora, Jesse N / Hill, Linda / Gomez, Scarlett Lin / Martinez, Maria Elena

    Journal of racial and ethnic health disparities

    2022  Volume 10, Issue 6, Page(s) 2653–2662

    Abstract: Background: There is a need to assess neighborhood-level factors driving COVID-19 disparities across racial and ethnic groups.: Objective: To use census tract-level data to investigate neighborhood-level factors contributing to racial and ethnic ... ...

    Abstract Background: There is a need to assess neighborhood-level factors driving COVID-19 disparities across racial and ethnic groups.
    Objective: To use census tract-level data to investigate neighborhood-level factors contributing to racial and ethnic group-specific COVID-19 case rates in California.
    Design: Quasi-Poisson generalized linear models were used to identify neighborhood-level factors associated with COVID-19 cases. In separate sequential models for Hispanic, Black, and Asian, we characterized the associations between neighborhood factors on neighborhood COVID-19 cases. Subanalyses were conducted on neighborhoods with majority Hispanic, Black, and Asian residents to identify factors that might be unique to these neighborhoods. Geographically weighted regression using a quasi-Poisson model was conducted to identify regional differences.
    Main measures: All COVID-19 cases and tests reported through January 31, 2021, to the California Department of Public Health. Neighborhood-level data from census tracts were obtained from American Community Survey 5-year estimates (2015-2019), United States Census (2010), and United States Department of Housing and Urban Development.
    Key results: The neighborhood factors associated with COVID-19 case rate were racial and ethnic composition, age, limited English proficiency (LEP), income, household size, and population density. LEP had the largest influence on the positive association between proportion of Hispanic residents and COVID-19 cases (- 2.1% change). This was also true for proportion of Asian residents (- 1.8% change), but not for the proportion of Black residents (- 0.1% change). The influence of LEP was strongest in areas of the Bay Area, Los Angeles, and San Diego.
    Conclusion: Neighborhood-level contextual drivers of COVID-19 burden differ across racial and ethnic groups.
    MeSH term(s) Humans ; United States ; COVID-19/epidemiology ; Ethnicity ; Residence Characteristics ; Racial Groups ; California/epidemiology ; Los Angeles ; Socioeconomic Factors
    Language English
    Publishing date 2022-11-14
    Publishing country Switzerland
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 2760524-3
    ISSN 2196-8837 ; 2197-3792
    ISSN (online) 2196-8837
    ISSN 2197-3792
    DOI 10.1007/s40615-022-01443-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Community-Engaged Air Monitoring to Build Resilience Near the US-Mexico Border.

    Wong, Michelle / Wilkie, Alexa / Garzón-Galvis, Catalina / King, Galatea / Olmedo, Luis / Bejarano, Esther / Lugo, Humberto / Meltzer, Dan / Madrigal, Daniel / Claustro, Mariana / English, Paul

    International journal of environmental research and public health

    2020  Volume 17, Issue 3

    Abstract: Initiated in response to community concerns about high levels of air pollution and asthma, the Imperial County Community Air Monitoring Project was conducted as a collaboration between a community-based organization, a non-governmental environmental ... ...

    Abstract Initiated in response to community concerns about high levels of air pollution and asthma, the Imperial County Community Air Monitoring Project was conducted as a collaboration between a community-based organization, a non-governmental environmental health program, and academic researchers. This community-engaged research project aimed to produce real-time, community-level air quality information through the establishment of a community air monitoring network (CAMN) of 40 low-cost particulate matter (PM) monitors in Imperial County, California. Methods used to involve the community partner organization and residents in the development, operation, and use of the CAMN included the following: (1) establishing equitable partnerships among the project collaborators; (2) forming a community steering committee to guide project activities; (3) engaging residents in data collection to determine monitor sites; (4) providing hands-on training to assemble and operate the air monitors; (5) conducting focus groups to guide display and dissemination of monitoring data; and (6) conducting trainings on community action planning. This robust community engagement in the project resulted in increased awareness, knowledge, capacity, infrastructure, and influence for the community partner organization and among community participants. Even after the conclusion of the original research grant funding for this project, the CAMN continues to be operated and sustained by the community partner, serving as a community resource used by residents, schools, researchers, and others to better understand and address air pollution and its impacts on community health, while strengthening the ability of the community to prepare for, respond to, and recover from harmful air pollution.
    MeSH term(s) Air Pollutants/analysis ; Air Pollution/analysis ; Air Pollution/statistics & numerical data ; California ; Community Participation ; Community-Based Participatory Research ; Environmental Monitoring/methods ; Humans ; Mexico ; Particulate Matter/analysis
    Chemical Substances Air Pollutants ; Particulate Matter
    Language English
    Publishing date 2020-02-09
    Publishing country Switzerland
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ISSN 1660-4601
    ISSN (online) 1660-4601
    DOI 10.3390/ijerph17031092
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Performance of a Low-Cost Sensor Community Air Monitoring Network in Imperial County, CA.

    English, Paul / Amato, Heather / Bejarano, Esther / Carvlin, Graeme / Lugo, Humberto / Jerrett, Michael / King, Galatea / Madrigal, Daniel / Meltzer, Dan / Northcross, Amanda / Olmedo, Luis / Seto, Edmund / Torres, Christian / Wilkie, Alexa / Wong, Michelle

    Sensors (Basel, Switzerland)

    2020  Volume 20, Issue 11

    Abstract: Air monitoring networks developed by communities have potential to reduce exposures and affect environmental health policy, yet there have been few performance evaluations of networks of these sensors in the field. We developed a network of over 40 air ... ...

    Abstract Air monitoring networks developed by communities have potential to reduce exposures and affect environmental health policy, yet there have been few performance evaluations of networks of these sensors in the field. We developed a network of over 40 air sensors in Imperial County, CA, which is delivering real-time data to local communities on levels of particulate matter. We report here on the performance of the Network to date by comparing the low-cost sensor readings to regulatory monitors for 4 years of operation (2015-2018) on a network-wide basis. Annual mean levels of PM
    Language English
    Publishing date 2020-05-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s20113031
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Development of a Web-based tool to collect and display water system customer service areas for public health action.

    Wong, Michelle / Wolff, Craig / Collins, Natalie / Guo, Liang / Meltzer, Dan / English, Paul

    Journal of public health management and practice : JPHMP

    2015  Volume 21 Suppl 2, Page(s) S44–9

    Abstract: Context: Significant illness is associated with biological contaminants in drinking water, but little is known about health effects from low levels of chemical contamination in drinking water. To examine these effects in epidemiological studies, the ... ...

    Abstract Context: Significant illness is associated with biological contaminants in drinking water, but little is known about health effects from low levels of chemical contamination in drinking water. To examine these effects in epidemiological studies, the sources of drinking water of study populations need to be known.
    Objective: The California Environmental Health Tracking Program developed an online application that would collect data on the geographic location of public water system (PWS) customer service areas in California, which then could be linked to demographic and drinking water quality data.
    Design: We deployed the Water Boundary Tool (WBT), a Web-based geospatial crowdsourcing application that can manage customer service boundary data for each PWS in California and can track changes over time. We also conducted a needs assessment for expansion to other states.
    Setting/participants: The WBT was designed for water system operators, local and state regulatory agencies, and government entities.
    Results: Since its public launch in 2012, the WBT has collected service area boundaries for about 2300 individual PWS, serving more than 90% of the California population. Results of the needs assessment suggest interest and utility for deploying such a tool among states lacking statewide PWS service area boundary data.
    Conclusions: Although the WBT data set is incomplete, it has already been used for a variety of applications, including fulfilling legislatively mandated reporting requirements and linking customer service areas to drinking water quality data to better understand local water quality issues. Development of this tool holds promise to assist with outbreak investigations and prevention, environmental health monitoring, and emergency preparedness and response.
    MeSH term(s) Humans ; Internet/instrumentation ; Population Surveillance/methods ; Public Health/methods ; Public Health/standards ; Public Relations ; Software ; United States ; Water Quality/standards ; Water Resources ; Web Browser
    Language English
    Publishing date 2015-03
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, P.H.S.
    ZDB-ID 2027860-3
    ISSN 1550-5022 ; 1078-4659
    ISSN (online) 1550-5022
    ISSN 1078-4659
    DOI 10.1097/PHH.0000000000000159
    Database MEDical Literature Analysis and Retrieval System OnLINE

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