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BACKGROUND: Cannabis exposures reported to the California Poison Control System increased following the initiation of recreational cannabis sales on 1 January 2018 (i.e., "commercialization"). We evaluated whether local cannabis control policies adopted by 2021 were associated with shifts in harmful cannabis exposures. METHODS: Using cannabis control policies collected for all 539 California cities and counties in 2020-2021, we applied a differences-in-differences design with negative binomial regression to test the association of policies with harmful cannabis exposures reported to California Poison Control System (2011-2020), before and after commercialization. We considered three policy categories: bans on storefront recreational retail cannabis businesses, overall restrictiveness, and specific recommended provisions (restricting product types or potency, packaging and labeling restrictions, and server training requirements). RESULTS: Localities that ultimately banned storefront recreational retail cannabis businesses had fewer harmful cannabis exposures for children aged <13 years (rate ratio = 0.82; 95% confidence interval = 0.65, 1.02), but not for people aged >13 years (rate ratio = 0.97; 95% confidence interval = 0.85, 1.11). Of 167 localities ultimately permitting recreational cannabis sales, overall restrictiveness was not associated with harmful cannabis exposures among children aged <13 years, but for people aged >13 years, a 1-standard deviation increase in ultimate restrictiveness was associated with fewer harmful cannabis exposures (rate ratio = 0.93; 95% confidence interval = 0.86, 1.01). For recommended provisions, estimates were generally too imprecise to detect associations with harmful cannabis exposures. CONCLUSION: Bans on storefront retail and other restrictive approaches to regulating recreational cannabis may be associated with fewer harmful cannabis exposures for some age groups following statewide commercialization.
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Cannabis , Comercio , Centros de Control de Intoxicaciones , Humanos , California/epidemiología , Centros de Control de Intoxicaciones/estadística & datos numéricos , Niño , Adolescente , Comercio/legislación & jurisprudencia , Comercio/estadística & datos numéricos , AdultoRESUMEN
OBJECTIVE: Workplace sugar-sweetened beverage (SSB) sales bans can reduce SSB consumption. Because stress and anxiety can promote sugar consumption, we examined whether anxiety among hospital employees during the COVID-19 pandemic was associated with changes in SSB consumption and explored whether this relationship varied by exposure to a workplace SSB sales ban. DESIGN: In a prospective, controlled trial of workplace SSB sales bans, we examined self-reported anxiety (generalised anxiety disorder-7) and self-reported SSB consumption (fluid ounces/d) before (July 2019) and during (May 2020) the COVID-19 pandemic. SETTING: Hospital sites in two conditions (four with SSB sales bans and three without sales bans) in Northern California. PARTICIPANTS: We sampled 580 participants (hospital employees) from a larger trial of sales bans; all were regular consumers of SSB (minimum 3/week at main trial enrollment). This subsample was chosen based on having appropriately timed data for our study questions. RESULTS: Across conditions, participants reduced SSB consumption over the study period. However, participants with higher pandemic-era anxiety scores experienced smaller reductions in SSB consumption after 9 months compared with those with lower anxiety scores (ß = 0·65, P < 0·05). When the sample was disaggregated by sales ban condition, this relationship held for participants in the control group (access to SSB at work, ß = 0·82, P < 0·05), but not for those exposed to an SSB sales ban (ß = 0·42, P = 0·25). CONCLUSIONS: SSB sales bans likely reduce SSB consumption through multiple pathways; buffering stress-related consumption may be one mechanism.
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Ansiedad , COVID-19 , SARS-CoV-2 , Bebidas Azucaradas , Lugar de Trabajo , Humanos , COVID-19/prevención & control , COVID-19/epidemiología , Masculino , Femenino , Bebidas Azucaradas/economía , Adulto , Estudios Prospectivos , California/epidemiología , Persona de Mediana Edad , Comercio , Pandemias , Personal de Hospital/psicología , Personal de Hospital/estadística & datos numéricosRESUMEN
OBJECTIVE: To examine the effectiveness of a workplace sugar-sweetened beverage (SSB) sales ban on reducing SSB consumption in employees, including those with cardiometabolic disease risk factors. DESIGN: A controlled trial of ethnically diverse, full-time employees who consumed SSB heavily (sales ban n 315; control n 342). Outcomes included standardised measures of change in SSB consumption in the workplace (primary) and at home between baseline and 6 months post-sales ban. SETTING: Sutter Health, a large non-profit healthcare delivery system in Northern California. PARTICIPANTS: Full-time employees at Sutter Health screened for heavy SSB consumption. RESULTS: Participants were 66·1 % non-White. On average, participants consumed 34·7 ounces (about 1 litre) of SSB per d, and the majority had an elevated baseline BMI (mean = 29·5). In adjusted regression analyses, those exposed to a workplace SSB sales ban for 6 months consumed 2·7 (95 % CI -4·9, -0·5) fewer ounces of SSB per d while at work, and 4·3 (95 % CI -8·4, -0·2) fewer total ounces per d, compared to controls. Sales ban participants with an elevated BMI or waist circumference had greater post-intervention reductions in workplace SSB consumption. CONCLUSIONS: Workplace sales bans can reduce SSB consumption in ethnically diverse employee populations, including those at higher risk for cardiometabolic disease.
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Enfermedades Cardiovasculares , Bebidas Azucaradas , Humanos , Bebidas , Lugar de TrabajoRESUMEN
Taxes on sugar-sweetened beverages (SSBs), or drinks with added sugars, show promise in decreasing purchases and consumption of SSBs. Some have called for coupling such taxes with improvements in access to safe drinking water as a strategy for reducing inequities in SSB intake, yet no studies have examined such an approach. Drink Tap is a San Francisco-based program in which public tap water stations were installed in parks and public spaces (winter 2017) and promotional efforts (fall and winter 2018) encouraged water intake. At the same time, San Francisco and surrounding communities were also implementing SSB taxes. We conducted a quasi-experimental study to examine whether water access and promotion combined with SSB taxes affected beverage intake habits more than SSB taxes alone. We conducted 1-hour observations (N = 960) at 10 intervention parks (Drink Tap plus SSB taxes) and 20 comparison parks (SSB taxes only) in San Francisco Bay Area cities before (July-September 2016) and after (June-August 2019) implementation of Drink Tap. We found significant adjusted percentage increases in drinking water among visitors to intervention parks, compared with comparison parks: water from park water sources (+80%, P < .001) and water from reusable bottles (+40%, P = .02). We found no significant reductions in visitors observed drinking bottled water, juices, or SSBs. The Drink Tap intervention led to increases in water intake from park sources and reusable bottles across parks that surpassed increases achieved through SSB taxes alone. Jurisdictions should consider coupling tap water access and promotion with policies for reducing intake of SSBs.
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Agua Potable , Humanos , San Francisco , Ciudades , Impuestos , Paclitaxel , Abastecimiento de AguaRESUMEN
BACKGROUND: Cannabis outlets may affect health and health disparities. Local governments can regulate outlets, but little is known about the effectiveness of local policies in limiting outlet densities and discouraging disproportionate placement of outlets in vulnerable neighborhoods. METHODS: For 241 localities in California, we measured seven policies pertaining to density or location of recreational cannabis outlets. We geocoded outlets using web-scraped data from the online finder Weedmaps between 2018 and 2020. We applied Bayesian spatiotemporal models to evaluate associations of local cannabis policies with Census block group-level outlet counts, accounting for confounders and spatial autocorrelation. We assessed whether associations differed by block group median income or racial-ethnic composition. RESULTS: Seventy-six percent of localities banned recreational cannabis outlets. Bans were associated with fewer outlets, particularly in block groups with higher median income, fewer Hispanic residents, and more White and Asian residents. Outlets were disproportionately located in block groups with lower median income [posterior RR (95% credible interval): 0.76 (0.70, 0.82) per $10,000], more Hispanic residents [1.05 (1.02, 1.09) per 5%], and fewer Black residents [0.91 (0.83, 0.98) per 5%]. For the six policies in jurisdictions permitting outlets, two policies were associated with fewer outlets and two with more; two policy associations were uninformative. For these policies, we observed no consistent heterogeneity in associations by median income or racial-ethnic composition. CONCLUSIONS: Some local cannabis policies in California are associated with lower cannabis outlet densities, but are unlikely to deter disproportionate placement of outlets in racial-ethnic minority and low-income neighborhoods.
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Cannabis , Etnicidad , Teorema de Bayes , California/epidemiología , Comercio , Humanos , Grupos Minoritarios , Políticas , Características de la Residencia , Análisis Espacio-TemporalRESUMEN
Objectives. To assess whether cannabis control policies that may protect public health were adopted evenly across California localities with differing sociodemographic compositions. Methods. From November 2020 to January 2021, we measured cannabis control policies for 241 localities across California and linked them to data on the characteristics of the communities affected by these policies. We evaluated whether disadvantaged communities were more likely to allow cannabis businesses and less likely to be covered by policies designed to protect public health. Results. Localities with all-out bans on cannabis businesses (65% of localities) were disproportionately high-education (55.8% vs 50.5% with any college) and low-poverty (24.3% vs 34.2%), with fewer Black (4.4% vs 6.9%) and Latinx (45.6% vs 50.3%) residents. Among localities that allowed retail cannabis businesses (28%), there were more cannabis control policies in localities with more high-income and Black residents, although the specific policies varied. Conclusions. Cannabis control policies are unequally distributed across California localities. If these policies protect health, inequities may be exacerbated. Public Health Implications. Uniform adoption of recommended cannabis control policies may help limit any inequitable health impacts of cannabis legalization. (Am J Public Health. 2022;112(11):1640-1650. https://doi.org/10.2105/AJPH.2022.307041).
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Cannabis , California , Comercio , Humanos , Legislación de Medicamentos , Políticas , Salud PúblicaRESUMEN
Preemption-when a higher level of government limits the authority of a lower level to enact new policies-has been devastating to tobacco control. We developed a preemption framework based on this experience for anticipating and responding to the possibility of preemption in other public health areas. We analyzed peer-reviewed literature, reports, and government documents pertaining to tobacco control preemption. We triangulated data and thematically analyzed them.Since the 1980s, tobacco companies have attempted to secure state preemption through front groups, lobbying key policymakers, inserting preemption into other legislation, and issuing legal threats and challenges. The tobacco control community responded by creating awareness of preemption through media advocacy, educating policymakers, mobilizing national collaborations, and expanding networks with the legal community. Ten of the 25 state smoke-free preemption laws have been fully repealed. Repeal, however, took an average of 11 years.State preemption has been detrimental to tobacco control by dividing the health community, weakening local authority, chilling public education and debate, and slowing local policy diffusion. Health scholars, advocates, and policymakers should use the framework to anticipate and prevent industry use of preemption in other public health areas.
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Prevención del Hábito de Fumar/legislación & jurisprudencia , Gobierno Estatal , Industria del Tabaco/legislación & jurisprudencia , Humanos , Maniobras Políticas , Gobierno Local , Salud Pública/legislación & jurisprudencia , Estados UnidosRESUMEN
Objectives. To investigate the transfer of marketing knowledge and infrastructure for targeting racial/ethnic minorities from the tobacco to the food and beverage industry in the United States.Methods. We analyzed internal industry documents between April 2018 and April 2019 from the University of California San Francisco Truth Tobacco Industry Documents Library, triangulated with other sources.Results. In the 1980s, Philip Morris Companies purchased General Foods and Kraft Foods and created Kraft General Foods. Through centralized marketing initiatives, Philip Morris Companies directly transferred expertise, personnel, and resources from its tobacco to its food subsidiaries, creating a racial/ethnic minority-targeted food and beverage marketing program modeled on its successful cigarette program. When Philip Morris Companies sold Kraft General Foods in 2007, Kraft General Foods had a "fully integrated" minority marketing program that combined target marketing with racial/ethnic events promotion, racial/ethnic media outreach, and corporate donations to racial/ethnic leadership groups, making it a food industry leader.Conclusions. The tobacco industry directly transferred racial/ethnic minority marketing knowledge and infrastructure to food and beverage companies. Given the substantial growth of food and beverage corporations, their targeting of vulnerable populations, and obesity-related disparities, public policy and community action is needed to address corporate target marketing.
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Etnicidad , Industria de Alimentos/organización & administración , Mercadotecnía/métodos , Grupos Minoritarios , Industria del Tabaco/organización & administración , Industria de Alimentos/historia , Industria de Alimentos/métodos , Historia del Siglo XX , Historia del Siglo XXI , Humanos , Mercadotecnía/economía , Mercadotecnía/historia , Medios de Comunicación de Masas , Industria del Tabaco/historia , Industria del Tabaco/métodos , Estados UnidosRESUMEN
Introduction State legalization of marijuana for medical purposes could increase illicit marijuana use among young people. Medical marijuana laws may boost the availability of marijuana and reduce perceptions of its harmfulness, leading more young people to try it. Prior studies report little evidence that these laws are impacting marijuana consumption by young Americans, and none have systematically compared developmentally distinct age groups. Methods We performed multilevel, serial cross-sectional analyses on ten annual waves of U.S. National Survey on Drug Use and Health, from 2004 to 2013, comparing young people in states with and without medical marijuana laws. Disaggregated analyses compared multiple measures of marijuana use across approximately 450,300 individuals in early adolescence (12-14 years), late adolescence (15-17 years) and young adulthood (18-25 years). Results Dwelling in a state that had legalized medical marijuana was not associated with marijuana consumption in the past month among early adolescents, late adolescents or young adults. However, young adults living in medical marijuana states were significantly more likely to have initiated first use in the past year. Conclusions Medical marijuana laws increase the likelihood that young adults will start using marijuana but do not affect more vulnerable developmental groups in early and late adolescence. Delaying the age of first use into young adulthood can reduce the risk of a drug use disorder later in life. Young adults are in the peak years of engagement with illicit drugs and state medical marijuana laws appear to be leading larger numbers to try the drug.
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Desarrollo Infantil , Derecho Penal/normas , Uso de la Marihuana/efectos adversos , Adolescente , Adulto , Cannabis/efectos adversos , Niño , Estudios Transversales , Femenino , Humanos , Masculino , Uso de la Marihuana/legislación & jurisprudencia , Uso de la Marihuana/psicología , Análisis de Regresión , Encuestas y Cuestionarios , Estados UnidosRESUMEN
BACKGROUND: The San Francisco Health Improvement Partnership (SFHIP) promotes health equity by using a novel collective impact model that blends community engagement with evidence-to-policy translational science. The model involves diverse stakeholders, including ethnic-based community health equity coalitions, the local public health department, hospitals and health systems, a health sciences university, a school district, the faith community, and others sectors. COMMUNITY CONTEXT: We report on 3 SFHIP prevention initiatives: reducing consumption of sugar sweetened beverages (SSBs), regulating retail alcohol sales, and eliminating disparities in children's oral health. METHODS: SFHIP is governed by a steering committee. Partnership working groups for each initiative collaborate to 1) develop and implement action plans emphasizing feasible, scalable, translational-science-informed interventions and 2) consider sustainability early in the planning process by including policy and structural interventions. OUTCOME: Through SFHIP's efforts, San Francisco enacted ordinances regulating sale and advertising of SSBs and a ballot measure establishing a soda tax. Most San Francisco hospitals implemented or committed to implementing healthy-beverage policies that prohibited serving or selling SSBs. SFHIP helped prevent Starbucks and Taco Bell from receiving alcohol licenses in San Francisco and helped prevent state authorization of sale of powdered alcohol. SFHIP increased the number of primary care clinics providing fluoride varnish at routine well-child visits from 3 to 14 and acquired a state waiver to allow dental clinics to be paid for dental services delivered in schools. INTERPRETATION: The SFHIP model of collective impact emphasizing community engagement and policy change accomplished many of its intermediate goals to create an environment promoting health and health equity.
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Política de Salud , Bebidas/estadística & datos numéricos , Participación de la Comunidad , Ingestión de Energía , Equidad en Salud , Política de Salud/economía , Política de Salud/legislación & jurisprudencia , Humanos , Inositol/análogos & derivados , Programas Nacionales de Salud , Encuestas Nutricionales , Salud Bucal , San Francisco , Instituciones AcadémicasRESUMEN
OBJECTIVES: To determine whether state medical marijuana laws "send the wrong message," that is, have a local influence on the views of young people about the risks of using marijuana. METHODS: We performed multilevel, serial, cross-sectional analyses on 10 annual waves of the US National Survey on Drug Use and Health (2004-2013) nationally and for states with marijuana laws using individual- and state-level controls. RESULTS: Living in medical marijuana states was associated with more permissive views regarding marijuana across 5 different measures. However, these associations became non-statistically significant after we adjusted for state-level differences. By contrast, there was a consistent and significant national time trend toward more permissive attitudes, which was less pronounced among children of middle school age than it was among their older counterparts. CONCLUSIONS: Passing medical marijuana laws does not seem to directly affect the views of young people in medical marijuana states. However, there is a national trend toward young people taking more permissive views about marijuana independent of any effects within states.
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Actitud , Fumar Marihuana/psicología , Marihuana Medicinal , Adolescente , Adulto , Factores de Edad , Niño , Estudios Transversales , Femenino , Humanos , Masculino , Medición de Riesgo , Factores Socioeconómicos , Factores de Tiempo , Estados Unidos , Adulto JovenRESUMEN
BACKGROUND: There is considerable movement in the U.S. to legalize use of cannabis for medicinal purposes. Twenty-three U.S. states and the District of Columbia have laws that decriminalize use of marijuana for medicinal purposes. Most prior studies of state medical marijuana laws and their association with overall marijuana use, adolescent use, crime rates, and alcohol traffic fatalities have used a binary coding of whether the state had a medical marijuana law or not. Mixed results from these studies raise the question of whether this method for measuring policy characteristics is adequate. OBJECTIVES: Our objective was to develop a validated taxonomy of medical marijuana laws that will allow researchers to measure variation in aspects of medical marijuana statutes as well as their overall restrictiveness. METHODS/RESULTS: We used a modified Delphi technique using detailed and validated data about each state's medical marijuana law. Three senior researchers coded elements of the state laws in initiation of use, quantity allowed, regulations around distribution, and overall restrictiveness. We used 2013 data from the U.S. National Survey on Drug Use and Health to assess validity of the taxonomy. Results indicate substantial state-level variation in medical marijuana policies. Validation analysis supported the taxonomy's validity for all four dimensions with the largest effect sizes for the quantity allowed in the state's medical marijuana policy. CONCLUSIONS/IMPORTANCE: This analysis demonstrates the potential importance of nondichotomous measurement of medical marijuana laws in studies of their impact. These findings may also be useful to states that are considering medical marijuana laws, to understand the potential impact of characteristics of those laws.
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Marihuana Medicinal , Crimen , District of Columbia , Humanos , Abuso de Marihuana , Fumar Marihuana , Estados UnidosRESUMEN
BACKGROUND: In 1966, the National Institute of Dental Research (NIDR) began planning a targeted research program to identify interventions for widespread application to eradicate dental caries (tooth decay) within a decade. In 1971, the NIDR launched the National Caries Program (NCP). The objective of this paper is to explore the sugar industry's interaction with the NIDR to alter the research priorities of the NIDR NCP. METHODS AND FINDINGS: We used internal cane and beet sugar industry documents from 1959 to 1971 to analyze industry actions related to setting research priorities for the NCP. The sugar industry could not deny the role of sucrose in dental caries given the scientific evidence. They therefore adopted a strategy to deflect attention to public health interventions that would reduce the harms of sugar consumption rather than restricting intake. Industry tactics included the following: funding research in collaboration with allied food industries on enzymes to break up dental plaque and a vaccine against tooth decay with questionable potential for widespread application, cultivation of relationships with the NIDR leadership, consulting of members on an NIDR expert panel, and submission of a report to the NIDR that became the foundation of the first request for proposals issued for the NCP. Seventy-eight percent of the sugar industry submission was incorporated into the NIDR's call for research applications. Research that could have been harmful to sugar industry interests was omitted from priorities identified at the launch of the NCP. Limitations are that this analysis relies on one source of sugar industry documents and that we could not interview key actors. CONCLUSIONS: The NCP was a missed opportunity to develop a scientific understanding of how to restrict sugar consumption to prevent tooth decay. A key factor was the alignment of research agendas between the NIDR and the sugar industry. This historical example illustrates how industry protects itself from potentially damaging research, which can inform policy makers today. Industry opposition to current policy proposals-including a World Health Organization guideline on sugars proposed in 2014 and changes to the nutrition facts panel on packaged food in the US proposed in 2014 by the US Food and Drug Administration-should be carefully scrutinized to ensure that industry interests do not supersede public health goals.
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Academias e Institutos/historia , Caries Dental/historia , Investigación Dental/historia , Sacarosa en la Dieta/historia , Industria de Alimentos/historia , Salud Pública/historia , Mala Conducta Científica/historia , Conflicto de Intereses , Caries Dental/etiología , Investigación Dental/ética , Sacarosa en la Dieta/efectos adversos , Documentación/historia , Industria de Alimentos/ética , Historia del Siglo XX , Humanos , Política Nutricional , Ciencia/historia , Estados UnidosRESUMEN
Despite evidence for the effectiveness of policies that target obesogenic environments, their adoption remains deficient. Using methods and concepts from complexity and political science (Stock-and-Flow analysis and Punctuated Equilibrium Theory) and a qualitative literature review, we developed system maps to identify feedback loops that hinder policymaking on mitigating obesogenic environments and feedback loops that could trigger and sustain policy change. We found numerous self-reinforcing feedback loops that buttress the assumption that obesity is an individual problem, strengthening the biomedical and commercial weight-loss sectors' claim to "ownership" over solutions. That is, improvements in therapies for individuals with obesity reinforces policymakers' reluctance to target obesogenic environments. Random events that focus attention on obesity (e.g., celebrities dismissing soda) could disrupt this cycle, when actors from outside the medical and weight-loss sector (e.g., anti-weight stigma activists) successfully reframe obesity as a societal problem, which requires robust and politically relevant engagement with affected communities prior to such events taking place. Sustained prioritization of policies targeting obesogenic environments requires shared problem ownership of affected communities and nonhealth government sectors, by emphasizing cobenefits of policies that target obesogenic environments (e.g., ultraprocessed food taxation for raising revenue) and solutions that are meaningful for affected communities.
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Política de Salud , Formulación de Políticas , Humanos , Alimentos , Obesidad/prevención & control , Pérdida de PesoRESUMEN
BACKGROUND: The patient-centered medical home (PCMH) is a key service delivery innovation in health reform. However, there are growing questions about whether the changes in clinics promoted by the PCMH model lead to improvements in the patient experience. OBJECTIVE: To test the hypothesis that PCMH improvements in safety-net primary care clinics are associated with a more positive patient experience. RESEARCH DESIGN: Multilevel cross-sectional analysis of patients nested within the primary care clinics that serve them. SUBJECTS: Primary care clinic leaders and patients throughout the City of New Orleans health care safety-net. MEASURES: Dependent variables included patient ratings of accessibility, coordination, and confidence in the quality/safety of care. The key independent variable was a score measuring PCMH structural and process improvements at the clinic level. RESULTS: Approximately two thirds of patients in New Orleans gave positive ratings to their clinics on access and quality/safety, but only one third did for care coordination. In all but the largest clinics, patient experiences of care coordination were positively associated with the clinic's use of PCMH structural and process changes. Results for patient ratings of access and quality/safety were mixed. CONCLUSIONS: Among primary care clinics in the New Orleans safety-net, use of more PCMH improvements at the clinic level led to more positive patient rating of care coordination, but not of accessibility or confidence in quality/safety. Ongoing efforts to pilot, demonstrate, implement, and evaluate the PCMH should consider how the impact of medical practice transformation could vary across different aspects of the patient experience.
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Atención Dirigida al Paciente/normas , Atención Primaria de Salud/normas , Evaluación de Procesos, Atención de Salud , Adulto , Anciano , Estudios Transversales , Femenino , Reforma de la Atención de Salud , Accesibilidad a los Servicios de Salud , Investigación sobre Servicios de Salud , Humanos , Modelos Logísticos , Masculino , Persona de Mediana Edad , Nueva Orleans , Calidad de la Atención de Salud , Encuestas y CuestionariosAsunto(s)
Dieta/efectos adversos , Carbohidratos de la Dieta/efectos adversos , Salud Pública/métodos , Edulcorantes/efectos adversos , Diabetes Mellitus/inducido químicamente , Diabetes Mellitus/etiología , Dieta/normas , Fructosa/efectos adversos , Salud Global/estadística & datos numéricos , Cardiopatías/inducido químicamente , Cardiopatías/etiología , Humanos , Síndrome Metabólico/inducido químicamente , Síndrome Metabólico/economía , Síndrome Metabólico/etiología , Neoplasias/inducido químicamente , Neoplasias/etiología , Salud Pública/legislación & jurisprudencia , Salud Pública/normas , Salud Pública/estadística & datos numéricos , Sacarosa/efectos adversosRESUMEN
For the minority of health claims on infant formula marketing materials that cited scientific studies, the vast majority had a high risk of bias and was sponsored by formula manufacturers. This is consistent with prior research revealing a 'cycle of bias' in nutrition research. The food industry biases what is being investigated in the first place. It encourages a focus on exercise and specific nutrients that legitimize health claims for specific products - a situation that is exacerbated by chronic government disinvestment in research on dietary patterns. Industry-funded studies more often report findings favourable to their sponsor, possibly because scientists are mostly influenced by their funders on an unconscious level. Investigating such effects is complicated because funding sources are not always reported clearly. Industry-funded studies should be assessed critically on what was and on what was not investigated. Governments should increase funding for nutritional research for a more level playing field.
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Patrones Dietéticos , Industria de Alimentos , Lactante , Humanos , Ejercicio Físico , Gobierno , Grupos MinoritariosRESUMEN
OBJECTIVE: The growing availability of cannabis products through home delivery services may affect cannabis-related health outcomes. However, research is impeded by a lack of data measuring the scale of home delivery. Prior research demonstrated that crowdsourced websites can be used to validly enumerate brick-and-mortar cannabis outlets. We piloted an extension of this method to explore the feasibility of measuring availability of cannabis home delivery. METHOD: We tested implementation of an automated algorithm designed to webscrape data from Weedmaps, the largest crowdsourced website for cannabis retail, to count the number of legal cannabis retailers offering home delivery to the geographic centroid of each Census block group in California. We compared these estimates to the number of brick-and-mortar outlets within each block group. To assess data quality, we conducted follow-up telephone interviews with a subsample of cannabis delivery retailers. RESULTS: We successfully implemented the webscraping. Of the 23,212 block groups assessed, 22,542 (97%) were served by at least one cannabis delivery business. Only 461 block groups (2%) contained one or more brick-and-mortar outlets. In interviews, availability varied dynamically as a function of staffing levels, order sizes, time of day, competition, and demand. CONCLUSIONS: Webscraping crowdsourced websites could be a viable method for quantifying rapidly evolving availability of cannabis home delivery. However, key practical and conceptual challenges must be overcome to conduct a full-scale validation and develop methodological standards. Acknowledging data limitations, cannabis home delivery appears to be nearly universal in California, whereas availability of brick-and-mortar outlets is limited, underscoring the need for research on home delivery.
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Cannabis , Colaboración de las Masas , Humanos , Proyectos Piloto , Mercadotecnía , ComercioRESUMEN
BACKGROUND: Public health experts have urged governments around the world to regulate newly legalized cannabis as they do alcohol to effectively and efficiently protect health. However, research evaluating the alignment of alcohol and cannabis policies is sparse. We assessed similarities and differences in local alcohol and cannabis control policies across California, and characterized localities adopting distinct policy approaches. METHODS: Using standard legal epidemiologic techniques, we collected and coded local alcohol and cannabis control policies relevant to public health for 12 California counties and all incorporated cities within them (N=241). We assessed whether localities were equally stringent on alcohol and cannabis policies by comparing overall restrictiveness (summed policy scores) and 9 specific provisions that applied to both substances. We captured distinct local alcohol-cannabis policy approaches using latent class analysis, and examined this classification in relation to local demographic, socioeconomic, political, and retail market characteristics. RESULTS: All 241 localities permitted alcohol sales, while 71% banned cannabis sales. Among those that did not ban cannabis sales, more stringent alcohol policy scores were associated with more stringent cannabis policy scores (linear regression coefficient: 0.16 [95% CI: 0.07, 0.25]). Local governments rarely adopted the same provisions for alcohol and cannabis (e.g., limits on hours of sale, advertising restrictions), and only two regulated the co-location of cannabis and alcohol outlets. Localities that were restrictive on alcohol yet permissive on cannabis (12%) were more urban, politically progressive, and had more low-income and racial/ethnic minority residents. Localities that were more permissive on alcohol and restrictive on cannabis (51%) were more socioeconomically advantaged. CONCLUSION: We found few similarities between local alcohol and cannabis control policies. California's experience suggests that, as governments around the world legalize cannabis, lessons learned from regulating alcohol are not routinely applied to cannabis, particularly in communities distinguished by high social and economic advantages.