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Abstract Objective We describe awareness about the modified “public charge” rule among Oregon’s Mexican-origin Latino/a population and whether concerns about the rule influenced disenrollment from state-funded programs, which do not fall under the public charge. Methods We conducted a cross-sectional survey of adults (ages 18–59) recruited at the Mexican consulate and living in the state of Oregon. Our outcomes were awareness (of the public charge, source of knowledge, and confidence in knowledge of the public charge) and disenrolling self or family members from state-funded public healthcare programs due to concerns about the rule. We described outcomes and used logistic regression and calculated adjusted probabilities to identify factors associated with awareness of the public charge. Results Of 498 Latino/a respondents, 48% reported awareness of the public charge. Among those who knew about the public charge, 14.6% had disenrolled themselves or family members from public healthcare programs and 12.1% were hesitant to seek care due to concerns about the public charge. Younger respondents had a lower adjusted probability of awareness of the public charge (18–24 years: 15.6% (95% CI 3.1–28.2); 30–39 years 54.9% (95% CI 47.7–62.0). Higher education was associated with a higher adjusted probability of awareness of the public charge; ability to speak English was not associated with awareness of the public charge. Conclusion Our study reveals limited awareness about the public charge among Mexican-origin Oregon Latino/as. Outreach and advocacy are essential to ensure Latino/as know their rights to access available state-funded healthcare programs.

ABSTRACT Tetracyclines serve as broad-spectrum antibiotics to treat bacterial infections. The discovery of new tetracycline resistance genes has led to new questions about the underlying mechanisms of resistance, gene transfer, and their relevance to human health. We tracked changes in the abundance of a 55-kbp conjugative transposon (CTn214) carrying tetQ, a tetracycline resistance gene, within a Bacteroides fragilis metagenome-assembled genome derived from shotgun sequencing of microbial DNA extracted from the ileal pouch of a patient with ulcerative colitis. The mapping of metagenomic reads to CTn214 revealed the multi-copy nature of a 17,044-nt region containing tetQ in samples collected during inflammation and uninflamed visits. B. fragilis cultivars isolated from the same patient during periods of inflammation harbored CTn214 integrated into the chromosome or both a circular, multi-copy, extrachromosomal region of the CTn214 containing tetQ and the corresponding integrated form. The tetracycline-dependent mechanism for the transmission of CTn214 is nearly identical to a common conjugative transposon found in the genome of B. fragilis (CTnDOT), but the autonomously amplified nature of a circular 17,044-nt region of CTn214 that codes for tetQ and the integration of the same sequence in the linear chromosome within the same cell is a novel observation. Genome and transcriptome sequencing of B. fragilis cultivars grown under different concentrations of tetracycline and ciprofloxacin indicates that tetQ in strains containing the circular form remains actively expressed regardless of treatment, while the expression of tetQ in strains containing the linear form increases only in the presence of tetracycline.IMPORTANCEThe exchange of antibiotic production and resistance genes between microorganisms can lead to the emergence of new pathogens. In this study, short-read mapping of metagenomic samples taken over time from the illeal pouch of a patient with ulcerative colitis to a Bacteroides fragilis metagenome-assembled genome revealed two distinct genomic arrangements of a novel conjugative transposon, CTn214, that encodes tetracycline resistance. The autonomous amplification of a plasmid-like circular form from CTn214 that includes tetQ potentially provides consistent ribosome protection against tetracycline. This mode of antibiotic resistance offers a novel mechanism for understanding the emergence of pathobionts like B. fragilis and their persistence for extended periods of time in patients with inflammatory bowel disease.

Background: Lack of racial and ethnic diversity in health research negatively impacts generalizability. We describe Mexican and Mexican American women's willingness to participate in health research in Oregon. Methods: We conducted a survey with Mexican-origin Latinas aged 18?49 years. Our primary outcome was willingness to participate in health research; we also asked sociodemographics and barriers and facilitators to participation. We used logistic regression to identify factors associated with willingness to participate. Results: Of 500 participants, 41% said that they would be willing to participate in health research, 14% said no, and 45% were unsure. In multivariable analyses, past participation in research and speaking English well were independently associated with willingness to participate. Barriers to participation included language, accessibility, and fear of medical procedures. Facilitators included improving future health care, language, and free medical care. Conclusions: Mexican-origin Latinas in Oregon are willing to participate in health research, but many are unsure. Providing study materials in Spanish is a concrete first step to improve recruitment and promote equity and inclusion.

Abstract Since the first discovery of reverse transcriptase in bacteria, and later in archaea, bacterial and archaeal retroelements have been defined by their common enzyme that coordinates diverse functions. Yet, evolutionary refinement has produced distinct retroelements across the tree of microbial life that are perhaps best described in terms of their programmed RNA—a compact sequence that preserves core information for a sophisticated mechanism. From this perspective, reverse transcriptase has been selected as the modular tool for carrying out nature’s instructions in various RNA templates. Beneficial retroelements—those that can provide a fitness advantage to their host—evolved to their extant forms in a wide array of microorganisms and their viruses, spanning nearly all habitats. Within each specialized retroelement class, several universal features seem to be shared across diverse taxa, while specific functional and mechanistic insights are based on only a few model retroelement systems from clinical isolates. Currently, little is known about the diversity of cellular functions and ecological significance of retroelements across different biomes. With increasing availability of isolate, metagenome-assembled, and single-amplified genomes, the taxonomic and functional breadth of prokaryotic retroelements is coming into clearer view. This review explores the recently characterized classes of beneficial, yet accessory retroelements of bacteria and archaea. We describe how these specialized mechanisms exploit a form of fixed mobility, whereby the retroelements do not appear to proliferate selfishly throughout the genome. Moreover, we discuss computational approaches for systematic identification of retroelements from vast sequence repositories and highlight recent discoveries in terms of their apparent distribution and ecological significance in nature. Lastly, we present a new perspective on the eco-evolutionary significance of these genetic elements in marine bacteria and demonstrate approaches that enable the characterization of their environmental diversity through metagenomics.

Objectives To identify whether covid-19 vaccines are associated with menstrual changes in order to address concerns about menstrual cycle disruptions after covid-19 vaccination.Design Global, retrospective cohort study of prospectively collected data.Setting International users of the menstrual cycle tracking application, Natural Cycles.Participants 19 622 individuals aged 18-45 years with cycle lengths of 24-38 days and consecutive data for at least three cycles before and one cycle after covid (vaccinated group; n=14 936), and those with at least four consecutive cycles over a similar time period (unvaccinated group; n=4686).Main outcome measures The mean change within individuals was assessed by vaccination group for cycle and menses length (mean of three cycles before vaccination to the cycles after first and second dose of vaccine and the subsequent cycle). Mixed effects models were used to estimate the adjusted difference in change in cycle and menses length between the vaccinated and unvaccinated.Results Most people (n=15 713; 80.08%) were younger than 35 years, from the UK (n=6222; 31.71%), US and Canada (28.59%), or Europe (33.55%). Two thirds (9929 (66.48%) of 14 936) of the vaccinated cohort received the Pfizer-BioNTech (BNT162b2) covid-19 vaccine, 17.46% (n=2608) received Moderna (mRNA-1273), 9.06% (n=1353) received Oxford-AstraZeneca (ChAdOx1 nCoV-19), and 1.89% (n=283) received Johnson & Johnson (Ad26.COV2.S). Individuals who were vaccinated had a less than one day adjusted increase in the length of their first and second vaccine cycles, compared with individuals who were not vaccinated (0.71 day increase (99.3% confidence interval 0.47 to 0.96) for first dose; 0.56 day increase (0.28 to 0.84) for second dose). The adjusted difference was larger in people who received two doses in a cycle (3.70 days increase (2.98 to 4.42)). One cycle after vaccination, cycle length was similar to before the vaccine in individuals who received one dose per cycle (0.02 day change (99.3% confidence interval −0.10 to 0.14), but not yet for individuals who received two doses per cycle (0.85 day change (99.3% confidence interval 0.24 to 1.46)) compared with unvaccinated individuals. Changes in cycle length did not differ by the vaccine’s mechanism of action (mRNA, adenovirus vector, or inactivated virus). Menses length was unaffected by vaccination.Conclusions Covid-19 vaccination is associated with a small and likely to be temporary change in menstrual cycle length but no change in menses length.

Early pregnancy loss (EPL), or miscarriage, is the most common complication of early pregnancy, and pregnant people experiencing EPL most often seek care from their primary obstetric provider or from an emergency department (ED). However, it is uncommon for providers outside obstetrician-gynecologists to be trained in EPL management, and nursing and support staff are also not often included. This study assessed change in practice following an interprofessional training intervention of self-reported use of manual uterine aspiration for management of EPL in the ED. We conducted a single arm pre-test/post-test interventional study design with a matched sample of pre- and post-test data from participants at 8 academic medical center sites that received a training intervention from the Training, Education & Advocacy in Miscarriage Management project between March 2016 and May 2017. We assessed the provision of EPL services in the ED and provider attitudes about these services. Our sample included 80 faculty physicians, resident physicians, and advanced practice clinicians from 8 academic medical center sites. Our findings demonstrate a positive association between participation in the training intervention and self-reported use of manual uterine aspirator in the ED for management of EPL, as well as increased belief that coordination between departments within the institution was smooth post-training. Our findings suggest that the training intervention was successful in influencing the practice of management of EPL using manual uterine aspiration in the ED, highlighting the importance of engaging EDs in training efforts.

Here, the authors report a large-scale comparative analysis of

El objetivo de esta investigación fue la identificación de las barreras más recurrentes de acceso a abortos en contextos clínicos (clandestinos o legales), desde la perspectiva de acompañantes, activistas feministas que acompañan a mujeres que optaron por abortos autogestionados con medicamentos. Realizamos 14 entrevistas semiestructuradas con acompañantes en tres regiones mexicanas: Baja California y Chiapas, ambos contextos restrictivos, y la Ciudad de México, donde el aborto por voluntad es legal hasta las 12 semanas. Identificamos cuatro categorías en las cuales se entretejen las vulnerabilidades sociales de las mujeres que deciden abortar, la falta de información, persistencia de estigma, y la influencia del marco legal, los fallos en la atención del aborto, incluso en las clínicas de interrupción legal de embarazo (en la Ciudad de México), y mala calidad de los servicios prestados -maltrato, objeción de conciencia y denuncia de los proveedores de salud-, y, por último, los grupos anti-derechos y sus estrategias. En las tres regiones, el acceso a abortos clínicos sigue siendo un privilegio reservado para las mujeres que cuentan con los recursos económicos, logísticos y sociales indispensables para realizarlo en esos espacios. La existencia de un programa Interrupción Legal de Embarazo en solamente una entidad denota la existencia de una desigualdad jurídica y sanitaria. Los hallazgos de este estudio sobre mujeres acompañantes de abortos aportan elementos para que el Estado mexicano mejore el acceso a abortos seguros para todas las mujeres, sobre todo ahora que la Suprema Corte de la Justicia de la Nación decretó la despenalización, y la legalización inminente en todo el país.

Objetivo. Analizar la anticoncepción posparto (APP) y tipo de método anticonceptivo recibido según características sociodemográficas y de atención del parto de las mujeres. Material y métodos. Se analizaron datos de la Encuesta Nacional de Salud y Nutrición (Ensanut) 2018-19 en 4 548 mujeres de 12-49 años que tuvieron un parto. Se ajustaron modelos de regresión logística (n=4 544) y multinomial (n=2 903) con variables dependientes APP y tipo de anticonceptivo recibido. Resultados. Se encontró que 65% de las mujeres recibieron APP, y 56.8% de las adolescentes un método reversible de larga duración (43.7% DIU y 13.1% implantes). Ser indígena, tener un hijo, o recibir atención en los servicios estatales de salud/IMSS-Prospera o privadas, se asocia con menores posibilidades de APP. Conclusiones. Se identificaron progresos en la cobertura de APP en las adolescentes. Persisten brechas de acuerdo con el aseguramiento en salud tanto en la recepción de APP como en el tipo de método recibido.

Abstract Background Cyanobacteria maintain extensive repertoires of regulatory genes that are vital for adaptation to environmental stress. Some cyanobacterial genomes have been noted to encode diversity-generating retroelements (DGRs), which promote protein hypervariation through localized retrohoming and codon rewriting in target genes. Past research has shown DGRs to mainly diversify proteins involved in cell-cell attachment or viral-host attachment within viral, bacterial, and archaeal lineages. However, these elements may be critical in driving variation for proteins involved in other core cellular processes. Results Members of 31 cyanobacterial genera encode at least one DGR, and together, their retroelements form a monophyletic clade of closely-related reverse transcriptases. This class of retroelements diversifies target proteins with unique domain architectures: modular ligand-binding domains often paired with a second domain that is linked to signal response or regulation. Comparative analysis indicates recent intragenomic duplication of DGR targets as paralogs, but also apparent intergenomic exchange of DGR components. The prevalence of DGRs and the paralogs of their targets is disproportionately high among colonial and filamentous strains of cyanobacteria. Conclusion We find that colonial and filamentous cyanobacteria have recruited DGRs to optimize a ligand-binding module for apparent function in signal response or regulation. These represent a unique class of hypervariable proteins, which might offer cyanobacteria a form of plasticity to adapt to environmental stress. This analysis supports the hypothesis that DGR-driven mutation modulates signaling and regulatory networks in cyanobacteria, suggestive of a new framework for the utility of localized genetic hypervariation.

Abstract Background CenteringPregnancy (CP) is a group antenatal care (G-ANC) model that has proven beneficial for mothers and their newborns. We conducted a feasibility study beginning in 2016 as part of the Mexican effort to implement G-ANC locally. This study reports on fidelity to the essential elements of CP during its implementation in Mexico. Methods We collected prospective data using a standardized checklist at four primary-care centers that implemented our adapted G-ANC model. We performed a descriptive analysis of fidelity to 28 processes per G-ANC session (71 sessions made up of 10 groups and 129 women across 4 health centers). We calculated fidelity to each process as a proportion with 95% confidence intervals. We present overall results and stratified by health center and by facilitation team. Results Overall fidelity to the G-ANC intervention was 82%, with variability by health center (78–88%). The elements with the highest fidelity were having space for activities such as checking vital signs, conversation in a circle, and medical check-ups (100% each) and the element with the lowest fidelity was using music to enhance privacy (27.3%). Fidelity was not significantly different by center. Conclusions Our study suggests good model fidelity during the implementation of G-ANC in Mexico. Our findings also contribute useful information about where to focus efforts in the future to maintain and improve G-ANC model fidelity.

Resumen Antecedentes Estimar la edad gestacional durante el embarazo resulta esencial en provisión de servicios de aborto. Comparamos la edad gestacional con base en la fecha de última menstruación y de acuerdo a los resultados del ultrasonido, entre pacientes que solicitaron los servicios de aborto en el primer trimestre en el programa público de la Ciudad de México Interrupción Legal del Embarazo. Métodos Revisamos de forma retrospectiva 43,219 expedientes clínicos de las mujeres que solicitaron servicios de aborto en el programa público de la Ciudad de México del periodo 2007 a 2015. Extrajimos la edad gestacional en días estimada mediante la fecha de última menstruación, así como por ultrasonido. Estimamos la proporción de subestimación y sobreestimación de la edad gestacional comparando el método que usa la fecha de última menstruación con los resultados del ultrasonido. Asimismo, usamos dos puntos de corte: 70 días (10 semanas de gestación) para aborto con medicamentos y 90 días (12 semanas y 6 días de gestación) como límite para la elegibilidad del programa, y estimamos la proporción de mujeres que rebasan dichos puntos de corte con base en la fecha de ultima menstruación. Resultados En promedio, la estimación de la edad gestacional usando el ultrasonido fue de − 0.97 días menor comparado con le edad gestacional estimada mediante la fecha de última menstruación (DE = 13.9). Lo anterior indica que en general las mujeres sobreestiman la edad gestacional con base en la fecha de última menstruación. En total, 51.4% de las mujeres sobreestiman la edad gestacional y 38.5% la subestiman con base en la fecha de última menstruación. Usando el punto de corte de 70 días, 93.8% de las mujeres que fueron elegibles para recibir un aborto por medicamento con base en los resultados del ultrasonido, habrían sido correctamente seleccionadas usando solamente la fecha de última menstruación; 96.0% habrían sido elegibles para recibir los servicios de aborto en el primer trimestre (punto de corte de 90 días) usando solamente la fecha de última menstruación. Conclusiones Las mujeres pueden estimar la edad gestacional usando la fecha de última menstruación. Cuando hay disponibilidad, el ultrasonido puede ser usado para estimar la edad gestacional. Sin embargo, la carencia de este instrumento de medición no debe ser una barrera para proveer servicios de aborto seguros y de calidad.

BACKGROUND: The Emergency Medicaid program offers restricted Medicaid benefits for people who meet the same financial eligibility criteria as Traditional Medicaid recipients but do not meet the citizenship requirements for enrollment in Traditional Medicaid. By federal law, Emergency Medicaid covers care for life-threatening emergencies or a hospital admission for childbirth. No prenatal or postpartum care is covered. Most of the women enrolled in Emergency Medicaid are Latina. OBJECTIVE: We assessed postpartum visits and receipt of postpartum contraception and compared the outcomes for Emergency (restricted benefit) Medicaid recipients with those of Traditional (full-benefit) Medicaid recipients in Oregon and South Carolina, 2 states with similar-sized immigrant populations. STUDY DESIGN: We conducted a retrospective cohort study using linked Medicaid claims and birth certificate data of live births covered by Medicaid (Traditional and Emergency) between January 1, 2010 and September 30, 2017, in Oregon and South Carolina. Our analysis was at the individual level. Primary outcomes were postpartum visit attendance and receipt of postpartum contraception within 2 months. We examined differences in demographic and delivery characteristics by Medicaid type. If women received postpartum contraception, we compared the timing of receipt (immediate postpartum, ≤1 month, 1–2 months, and 2–6 months after delivery) by the type of Medicaid. Among women using contraception, we described the type of contraceptive received at each time point, stratified by Medicaid type. Associations between Medicaid type (Traditional vs Emergency) and postpartum visit attendance and contraception use were assessed using adjusted absolute predicted probabilities from logistic regression models. We ran models for the entire cohort and conducted a subanalysis restricted to only Latina women. RESULTS: Our study included 375,544 live births to 288,234 women, with 12.7% of births among Emergency Medicaid recipients. Women enrolled in Emergency Medicaid tended to be older (age >35 years; 18.1% vs 7.2%; P

Marine benthic environments may be shaped by anthropogenic and other localized events, leading to changes in microbial community composition evident decades after a disturbance. Marine sediments in particular harbor exceptional taxonomic diversity and can shed light on distinctive evolutionary strategies. Genetic code expansion is a strategy that increases the structural and functional diversity of proteins in cells, by repurposing stop codons to encode non-canonical amino acids: pyrrolysine (Pyl) and selenocysteine (Sec). Here, we report both a study of the microbiome at a deep sea industrial waste dumpsite and an unanticipated discovery of codon reassignment in its most abundant member, with potential ramifications for interpreting microbial interactions with ocean-dumped wastes. The genomes of abundant Deltaproteobacteria from the sediments of a deep-ocean chemical waste dump site have undergone genetic code expansion. Pyl and Sec in these organisms appear to augment trimethylamine (TMA) and one-carbon metabolism, representing an increased metabolic versatility. The inferred metabolism of these sulfate-reducing bacteria places them in competition with methylotrophic methanogens for TMA, a contention further supported by earlier isotope tracer studies and reanalysis of metatranscriptomic studies. A survey of genomic data further reveals a broad geographic distribution of a niche group of similarly specialized Deltaproteobacteria, including at sulfidic sites in the Atlantic Ocean, Gulf of Mexico, Guaymas Basin, and North Sea, as well as in terrestrial and estuarine environments. These findings reveal an important biogeochemical role for specialized Deltaproteobacteria at the interface of the carbon, nitrogen, selenium, and sulfur cycles, with their niche adaptation and ecological success potentially augmented by genetic code expansion.

Abstract Background In Mexico, obesity is a major public health problem; 71% of adults are overweight or obese. The proportion of deliveries by cesarean is also very high (45%). Women of reproductive age with overweight or obesity may be at higher risk of cesarean. Methods We conducted a cross-sectional study to test the association between overweight and obesity (using body mass index, BMI) and cesarean delivery in Mexico using data from the 2012 National Survey of Health and Nutrition (ENSANUT). Our sample included women of reproductive age at the time of survey who reported a live birth between 2006 and 2012. We used bivariate statistics and a multivariate logistic regression model to test the association between measured BMI and self-reported cesarean delivery. We included individual, clinical, and household level confounders and used survey weights to produce population estimates. Results Our sample consisted of 4,570 women (population N = 7,447,541). Overall, 44% of the women reported a cesarean at last delivery. We found differences in the proportion of cesarean delivery by BMI group (normal = 39%; 95% CI [35–43]; overweight = 42%; 95% CI [38–45]; obesity = 52%; 95% CI [48–57]; p

Abstract Background Evidence-based reproductive care reduces morbidity and mortality for women and their children, decreases health disparities and saves money. Community health centres (CHCs) are a key point of access to reproductive and primary care services for women who are publicly insured, uninsured or unable to pay for care. Women of reproductive age (15–44 years) comprise just of a quarter (26%) of the total CHC patient population, with higher than average proportions of women of colour, women with lower income and educational status and social challenges (e.g. housing). Such factors are associated with poorer reproductive health outcomes across contraceptive, preventive and pregnancy-related services. The Affordable Care Act (ACA) prioritised reproductive health as an essential component of women’s preventive services to counter these barriers and increase women’s access to care. In 2012, the United States Supreme Court ruled ACA implementation through Medicaid expansion as optional, creating a natural experiment to measure the ACA’s impact on women’s reproductive care delivery and health outcomes. Methods This paper describes a 5-year, mixed-methods study comparing women’s contraceptive, preventive, prenatal and postpartum care before and after ACA implementation and between Medicaid expansion and non-expansion states. Quantitative assessment will leverage electronic health record data from the ADVANCE Clinical Research Network, a network of over 130 CHCs in 24 states, to describe care and identify patient, practice and state-level factors associated with provision of recommended evidence-based care. Qualitative assessment will include patient, provider and practice level interviews to understand perceptions and utilisation of reproductive healthcare in CHC settings. Discussion To our knowledge, this will be the first study using patient level electronic health record data from multiple states to assess the impact of ACA implementation in conjunction with other practice and policy level factors such as Title X funding or 1115 Medicaid waivers. Findings will be relevant to policy and practice, informing efforts to enhance the provision of timely, evidence-based reproductive care, improve health outcomes and reduce disparities among women. Patient, provider and practice-level interviews will serve to contextualise our findings and develop subsequent studies and interventions to support women’s healthcare provision in CHC settings.

Abstract Background In 2016, Oregon became the first of eight states to allow pharmacists to directly prescribe hormonal contraception (HC), including the pill, patch, or ring, without a clinic visit. In the two years following this policy change, the majority of ZIP codes across the state of Oregon had a pharmacist certified to prescribe HC. Methods We will utilize complementary methodologies to evaluate the effect of this policy change on convenient access to contraception (cost, supply dispensed), safety, contraceptive continuation and unintended pregnancy rates. We will conduct a prospective clinical cohort study to directly measure the impact of provider type on contraceptive continuation and to understand who is accessing hormonal contraception directly from pharmacists. We will concurrently conduct a retrospective analysis using medical claims data to evaluate the state-level effect of the policy. We will examine contraceptive continuation rates, incident pregnancy, and safety measures. The combination of these methodologies allows us to examine key woman-level factors, such as pregnancy intention and usual place of care, while also estimating the impact of the pharmacist prescription policy at the state level. Discussion Pharmacist prescription of HC is emerging nationally as a strategy to reduce unintended pregnancy. This study will provide data on the effect of this practice on convenient access to care, contraceptive safety and continuation rates.

BackgroundMost patients use the internet to search for health information. While there is a vast repository of searchable information online, much of the content is unregulated and therefore potentially incorrect, conflicting, or confusing. Abortion information online is particularly prone to being inaccurate as antichoice websites publish purposefully misleading information in formats that appear as neutral resources. To understand how antichoice websites appear neutral, we need to understand the specific website features of antichoice websites that impart an impression of trustworthiness. ObjectiveWe sought to identify the characteristics of false or misleading abortion websites that make these websites appear trustworthy to the public. MethodsWe conducted a cross-sectional study using Amazon’s Mechanical Turk platform. We used validated questionnaires to ask participants to rate 11 antichoice websites and one neutral website identified by experts, focusing on website content, creators, and design. We collected sociodemographic data and participant views on abortion. We used a composite measure of “mean overall trust” as our primary outcome. Using correlation matrices, we determined which website characteristics were most associated with mean overall trust. Finally, we used linear regression to identify participant characteristics associated with overall trust. ResultsOur analytic sample included 498 participants aged from 22 to 70 years, and 50.1% (247/493) identified as female. Across 11 antichoice websites, creator confidence (“I believe that the creators of this website are honest and trustworthy”) had the highest correlation coefficient (strongest relationship) with mean overall trust (coefficient=0.70). Professional appearance (coefficient=0.59), look and feel (coefficient=0.59), perception that the information is created by experts (coefficient=0.59), association with a trustworthy organization (coefficient=0.58), valued features and functionalities (coefficient=0.54), and interactive capabilities (coefficient=0.52) all demonstrated strong relationships with mean overall trust. At the individual level, prochoice leaning was associated with higher overall trust of the neutral website (B=−0.43, 95% CI −0.87 to 0.01) and lower mean overall trust of the antichoice websites (B=0.52, 95% CI 0.05 to 0.99). ConclusionsThe mean overall trust of antichoice websites is most associated with design characteristics and perceived trustworthiness of website creators. Those who believe that access to abortion should be limited are more likely to have higher mean overall trust for antichoice websites.