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Health care financing is key in defining interactions between providers and the generalpopulation. It determines who is required to pay for care, how much they pay, and what types of services patients can receive. It also helps shape markets for health service providers and innovations in service delivery, pharmaceuticals and medical devices. Paying for Health brings together insights from over 50 global experts to provide a vital analysis of health care financing around the world, explaining issues related to funding both health and social care. It explores key aspects of health financing, delving into critical policy questions and examining strategies that shape sustainable, effective health systems. Offering real-world examples and evidence-based insights, this essential volume equips policymakers, researchers, and health leaders with the tools to design financing systems that drive progress now and in the future towards universal health coverage. This title is also available as Open Access on Cambridge Core.
This paper explores changes in the commissioning, contracting and provision of NHS-funded cataract surgery in England over the last decade, focusing on the growing role of independent sector providers (ISPs). In recent years, there has been a dramatic rise in NHS-funded cataract surgery (from almost 417,000 cases in 2018/19 to about 650,000 in 2023/24) with the ISP share increasing from 22 to 57 per cent. A mixed-methods approach was employed, combining quantitative analysis of over 4.6 million NHS-funded hospital admissions for cataract surgery (2013–2024) and qualitative interviews with senior NHS and ISP stakeholders. Interviews were analysed using reflexive thematic analysis. The shift to ISPs was largely unplanned, driven by long NHS waiting lists, favourable payment tariffs, and low barriers to entry for new providers. ISPs’ involvement has contributed to reduced waiting times and improved productivity, potentially due to specialised infrastructure and incentive structures. However, concerns exist about contract management, service quality, and value for money. The study highlights the need for improved service commissioning, tariff reform, stronger contractual oversight, and effective monitoring to ensure quality and value. These findings have broader implications for healthcare systems balancing competition, patient choice, and public–private delivery models in elective care.
What can be learned about pandemic preparedness from greater attention to perspectives of people who live in regions labelled as ‘hotspots’ for disease outbreaks? And how might such attention require us to reconfigure science, policy, and practice – as part of a broader shifting of power in pandemics? These are the questions that motivate and are explored through the papers in this special issue on pandemic preparedness, for which this paper serves as Introduction. All the contributions to this special issue present perspectives, experiences, and reflections from African settings, drawing on research co-designed and conducted in close engagement with local communities or in dialogue with African scientists and public health actors. They approach biosocial questions from the concerns of the disciplinary fields of social, medical, and political anthropology, of engaged interdisciplinary social science, and, crucially, of embedded, ‘grassroots’ fieldwork by researchers who have grown up with the communities they are studying. The team bringing these complementary areas of expertise came together for a collaborative programme on ‘Pandemic preparedness: local and global concepts and practices in tackling disease threats in Africa’ supported by a collaborative award from the Wellcome Trust during 2018–2023. This special issue thus forms part of wider advocacy for rethinking pandemic preparedness and for the value of anthropology in informing its meanings and practices, now more than ever.
Pulse pressure (PP) calculated as systolic minus diastolic blood pressure is a surrogate measure of arterial stiffness that may affect executive function; however, this relationship could be moderated by age and genetic risk for Alzheimer’s disease (AD). We therefore examined relationships among PP, age, AD risk (i.e., APOE genotype) and executive function measured by the NIH Toolbox Cognition Battery (NIHTB-CB) in older adults.
Methods:
PP was determined in 216 older adults without dementia (mean age: 77.5 ± 7.9 years, education: 16.8 ± 2.4 years, 55% women, 34.8% APOE ϵ4+) who were tested with the NIHTB-CB as part of the Advancing Reliable Measurement of Alzheimer’s Disease and Cognitive Aging (ARMADA) study.
Results:
Multiple linear regression revealed PP × Age × APOE genotype interaction effects for List Sorting Working Memory (β = 0.04; p = .007) and Picture Sequence Memory (β = 0.04; p = .006); higher PP was associated with worse scores in younger APOE ϵ4+ older adults (same pattern for fluid and total cognition composite scores). Higher PP was associated with lower Picture Vocabulary scores in ApoE ϵ4+ (PP X APOE interaction: β = −0.19; p = .022). Higher PP was associated with lower Flanker Inhibitory Control scores (β = −0.13; p = .005) across all participants.
Conclusions:
Arterial stiffness measured by PP in older adults is associated with worse performance on NIHTB-CB tests of executive function, working memory, and episodic sequence memory, particularly in younger APOE ϵ4 carriers. Arterial stiffness and AD risk may work synergistically in an age dependent manner to adversely affect cognition.
Smartphone-based cognitive behavioral therapy (CBT) programs offer accessible interventions for subthreshold depression, yet engagement needed for meaningful benefit remains unclear. We examined how lesson and worksheet engagement relate to depressive symptom improvements in a behavioral activation (BA) intervention, accounting for time-varying confounders.
Methods
This secondary analysis included 298 adults assigned to the BA arm of the RESiLIENT trial, a randomized controlled trial in Japan. Lesson and worksheet completion were treated as time-varying exposures, each yielding four engagement patterns: minimal (Few-Few), early (Many-Few), late (Few-Many), and consistently high (Many-Many). Outcomes were depressive symptom changes measured by the Patient Health Questionnaire-9 (PHQ-9) at weeks 6 and 26. We applied the parametric g-formula to estimate counterfactual PHQ-9 changes under each pattern, adjusting for baseline and time-varying confounders.
Results
Early lesson engagement during weeks 0–3 was associated with larger PHQ-9 reductions at both weeks 6 and 26, even when later engagement declined (Many-Few vs. Few-Few: week 6: −1.47 [95% CI −2.52 to −0.53]; week 26: −1.27 [−2.53 to −0.17]). In contrast, higher worksheet engagement was linked to improved PHQ-9 at week 6, with maximal benefit among consistently high engagers (Many-Many vs. Few-Few: −1.25 [−2.17 to −0.44]) and late engagers (Few-Many vs. Few-Few: −1.18 [−2.20 to −0.08]), but not persist to week 26.
Conclusions
Greater engagement with smartphone-delivered BA is associated with larger symptom reductions. Early lesson engagement drives sustained benefit, whereas worksheet engagement did not persist. These findings may guide digital CBT design by emphasizing early lesson completion alongside concurrent skill practice.
Large gulls (Laridae) have expanded from coastal regions into inland Central Europe, where they increasingly exploit fishponds, landfills, and urban habitats. This shift alters their exposure to trematode parasites and their role in linking parasite transmission across ecosystems. We examined the trematode communities of 5 gull species (Larus argentatus, Larus cachinnans, Larus canus, Larus hyperboreus, and Larus marinus) collected in the eastern Czech Republic between 2022 and 2025. Complete helminthological examinations were performed on 207 individuals. Trematodes were detected in 82% of the birds, but the infection patterns differed among host species. Assemblages were overwhelmingly dominated by freshwater-transmitted taxa associated with cyprinid fish, particularly Diplostomum spp. and related genera. Pond-foraging gulls (L. argentatus and L. cachinnans) presented high prevalence, richness, and infection intensity, with frequent co-infections indicating repeated exposure within freshwater food webs. In contrast, L. canus and landfill-associated birds were often uninfected or lightly infected, reflecting limited participation in aquatic transmission cycles. Marine and brackish trematodes occurred sporadically and at low intensities, which is consistent with carry-over infections acquired in coastal regions without inland transmission. Community assemblages at the individual-host level were aggregated and consistent with stochastic exposure once the host species were considered. Maturity had little influence on helminth richness or diversity in gulls. Trematode assemblages closely reflected gull foraging strategies and habitat use, indicating that freshwater pond systems are the primary settings in which inland gulls may influence parasite transmission.
Multiple myeloma (MM) is one of the most common blood cancers. Despite lengthening survival with modern therapy, it remains largely fatal. Understanding the influence of common modifiable risk factors on MM risk is necessary to inform prevention.
We investigated the association between dietary exposures and MM in a population-based case-control study conducted in Victoria, and NSW, Australia (2010-2016). Incident cases of MM (n=746) were recruited primarily via cancer registries. Controls (n=706) were siblings or spouses of cases.
We estimated odds ratios (OR) and 95% confidence intervals (95%CI) for associations between MM and dietary exposures, including dietary patterns, fish consumption, and a healthy lifestyle index, adjusting for confounders.
Higher scores on a modified version of the Alternative Healthy Eating Index-2010 were associated with reduced risk of MM (mAHEI: OR=0.88, 95%CI=0.78-0.98). There was weaker evidence for reduced risk associated with higher healthful plant-based dietary index score (hPDI: OR=0.91, 95%CI=0.81-1.02). Increased MM risks were observed with higher scores on empirical dietary inflammatory pattern (EDIP: OR=1.20, 95%CI=1.07-1.35), empirical dietary indices for hyperinsulinaemia (EDIH: OR=1.15, 95%CI=1.02-1.31), and insulin resistance (EDIR: OR=1.21, 95%CI=1.08-1.37). There was no clear evidence of association with MM risk for fish consumption or a healthy lifestyle index.
We observed an association between adherence to a healthy diet and lower MM risk. While adherence to dietary patterns with the potential to increase insulin levels, insulin resistance, or promote inflammation was associated with increased MM risk. Results of studies assessing dietary intervention for MM prevention could reveal whether dietary modification directly influences MM risk.
Iron deficiency (ID) is a common nutritional disorder, especially among children, women of reproductive age. Detecting ID before it progresses to iron deficiency anaemia (IDA) is critical for prevention. This study assessed mean corpuscular hemoglobin (MCH) and red cell distribution width (RDW) as complete blood count (CBC) based markers for early non-anaemic iron deficiency (NAID). We retrospectively analysed records of children aged 2 months to 6 years who underwent regular general health checks at Fujian Provincial Maternal and Child Health Hospital between July 2022 and July 2024, ID was defined by serum ferritin < 15 µg/L. Children with thalassemia, inflammatory conditions (CRP > 5 mg/L), or incomplete data were excluded. Logistic regression was used to evaluate associations between CBC indices and ID. Model discrimination was assessed by the area under the receiver operating characteristic (ROC) curve and externally validated using NHANES (August 2021-August 2023, Cycle 12) data. A total of 2,018 children were included (training: n = 1,413, testing: n = 605; external validation: n = 232). MCH (OR = 0.63; 95% CI, 0.52-0.76; p < 0.001) and RDW (OR = 1.44; 95% CI, 1.16-1.79; p = 0.001) were independent predictors of ID. The model showed consistent performance, with AUCs of 0.77 (training), 0.81 (testing), and 0.87 (validation). MCH and RDW are practical markers for early NAID detection in Chinese and US children, offering a valuable tool for any setting with an automated haematology analyser, particularly when access to advanced iron studies is restricted.
Depression is associated with pathological dysregulations affecting both the brain and the body, with the latter being reflected in plasma proteins. While plasma protein signatures of depression have been increasingly recognized, a holistic examination of interactions with brain features is lacking.
Methods
Leveraging data from 3,966 UK Biobank participants, we identified a multimodal neuroimaging-plasma protein component of depression (NeuroPro-Dep) by integrating plasma proteins and five brain modalities via an ICD-10 diagnosis-constrained multimodal fusion approach.
Results
Notably, NeuroPro-Dep demonstrates detectable associations with depression symptoms across datasets from diverse populations, underscoring its clinical potential. This capability is anchored in its five brain modalities alterations, including hippocampal atrophy, reduced cortical sensorimotor network functional connectivity, and impaired internetwork structural connectivity of the frontoparietal network. The multimodal neuroimaging-derived plasma protein modality of NeuroPro-Dep is enriched in metabolic pathways, as further supported by association analysis linking this modality to body mass index (BMI), type 2 diabetes, and other metabolic indicators. Crucially, two-step Mendelian randomization analysis revealed that the NeuroPro-Dep plasma protein modality exerts a causal effect on depression through BMI (plasma protein to BMI: or=0.28, p=0.035; BMI to depression: or=1.14, p=4.37×10−11).
Conclusions
Overall, this study underscores metabolic dysfunction as a bridge between brain changes, depression, and physical diseases, while providing a novel multimodal biological signature and valuable insights that may inform future treatment strategies.
Chlorhexidine gluconate (CHG) skin treatments are an effective strategy to reduce patients’ risk of central line-associated bloodstream infection (CLABSI); however, compliance with this practice is suboptimal. One barrier is patient refusal of CHG skin treatments. To mitigate this barrier, the purpose of this study was to evaluate the feasibility and outcomes of implementing a patient-facing CHG skin treatment educational video on an inpatient adult bone marrow transplant (BMT) unit.
Design:
A quasi-experimental pre–post research study design was used.
Setting:
The study took place at a large academic hospital in the Southeastern U.S.
Patients:
Patients admitted to a 16-bed BMT unit were included.
Interventions:
A patient-facing CHG skin treatment educational video was developed with input from a multidisciplinary team, patients, and their family members. Patients accessed the video through a QR code or website link provided on a laminated document.
Results:
The video was viewed 173 times, with an average of 84% of the video watched. Of the 117 patients who completed a feedback survey, most felt the video was helpful and increased their likelihood of participating in CHG skin treatments. No improvements were shown in documented CHG compliance or patient refusals. A 27.2% reduction in the CLABSI rate was found, with a decreased rate of 2.54 to 1.85 post-intervention, although this reduction was not statistically significant, P = .58.
Conclusions:
While patients found the video beneficial, future research that includes more diverse patient populations is needed to better understand the long-term impact of a CHG skin treatment educational video.
A high sodium intake is a major risk factor for raised blood pressure. Consumption of fish fillet is associated with lower blood pressure in humans and other animals, whereas the effects of consuming fish residuals are less explored. To obtain high-quality fishmeal with acceptable sensory properties, the fish residuals may be washed with seawater onboard factory trawlers. This will increase the sodium content in the residuals, and whether this affects blood pressure has not yet been investigated. The primary objective of the present study was to investigate if the increased sodium content in Atlantic cod (Gadus morhua) residuals after washing with saltwater affected the development of high blood pressure in male obese Zucker fa/fa rats which spontaneously develop hypertension. Rats were fed diets containing cod protein powders prepared from unwashed or saltwater-washed backbone or head fractions (n 6/group) as 25% of total protein with the remaining 75% as casein, or casein as the sole protein source (Control group, n 6) for six weeks. Blood pressure was measured on day 0 and 40. The diets containing backbone protein powder, independent of whether this fraction was washed with saltwater or not, attenuated the blood pressure increase compared to the Control group, whereas diets containing washed or unwashed head protein powder did not affect the blood pressure development. To conclude, a diet containing cod backbone protein powder attenuated the blood pressure increase in obese Zucker fa/fa rats, and this effect was not compromised by the higher sodium content in backbones washed with saltwater.
Appropriate, evidence-based care of traumatically injured patients in the prehospital setting is essential to saving lives and yielding better outcomes. There exists mixed evidence on the outcome differences between ambulance and helicopter prehospital transport, and on the effects of transport time on outcomes. The purpose of this paper is to examine these in patients presenting to an urban Level-1 trauma center.
Methods:
A retrospective analysis was conducted with three years of patient information from a trauma registry maintained by a Level-1 trauma center in St. Louis, Missouri (USA). Propensity matching was used to compare helicopter versus ground ambulance outcomes, while regression analysis was used to investigate transport time.
Results:
After propensity matching to injury severity, helicopter transport was associated with improved prehospital survival (OR = 4.1; [95% CI, 1.2-21]; P = 0.02), though no difference in in-hospital survival (OR = 0.9; [95% CI, 0.4-1.8]; P = 0.71), intensive care unit (ICU) stay (difference = 0.8 days; [95% CI, -0.9-2.5]; P = 0.36), or hospital length-of-stay (difference = 51 hours; [95% CI, -7-109]; P = 0.08). Decreased transport time was not associated with increased survival (P = 0.31), but when transport times were less than 30 minutes, further reductions were significantly associated with shorter hospital stays (r2 = 0.02; P = 0.05) and fewer ICU days (r2 = 0.02; P = 0.05).
Conclusions:
Decreased injury to hospital arrival time and increased use of helicopter transport in specific situations may improve patient outcomes; this indicates the need for prospective studies.
Recent US policy changes, including abortion bans and reductions to social safety nets, have intensified structural pressures on reproductive decision-making. Research has examined interpersonal and clinical forms of reproductive coercion, but legal and policy forces remain undertheorized. This commentary introduces and defines sociolegal reproductive coercion as occurring when individuals feel pressured or constrained in their reproductive choices due to legal and policy landscapes that are reinforced and reified by social and cultural forces. These pressures operate collectively to make certain options, such as long-acting reversible contraception, feel obligatory even when undesired, by amplifying risks associated with pregnancy, abortion, and parenting. Sociolegal coercion interacts with clinical practice, shaping provider counseling and narrowing perceived options, and disproportionately affects marginalized communities already subject to systemic inequities. We situate this construct within existing scholarship on constrained choice and social control, propose a conceptual framework, and outline implications for research, clinical care, and policy. Recognizing sociolegal reproductive coercion is critical for understanding how health policy and sociocultural dynamics jointly constrain autonomy and for informing reforms that advance reproductive justice in a post-Roe landscape.