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Effects of a large-scale participatory learning and action programme in women's groups on knowledge and behaviour related to pregnancy and childcare: a cluster-randomized controlled trial in Bihar, India 妇女群体中大规模参与式学习和行动方案对与怀孕和育儿有关的知识和行为的影响:印度比哈尔邦的一项集群随机对照试验
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-11-08 DOI: 10.1016/j.ssmph.2025.101880
Lisa Bogler , Abhijeet Kumar , S.V. Subramanian , Sebastian Vollmer

Background

Participatory learning and action (PLA) programmes are promoted as effective community-based intervention to improve maternal and child health. Evidence on their impact on knowledge and behaviour related to pregnancy and childcare is limited and mixed. Between 2015 and 2016, state-supported agencies implemented a large-scale PLA intervention in women's self-help groups in rural Bihar, India, with meetings facilitated by trained agency staff. We assessed the impact of this intervention using a cluster-randomized controlled trial.

Methods

In one implementation district, 68 village clusters were randomly assigned to receive the intervention or not. With survey data from 1612 women who were pregnant before the intervention, we evaluate programme impact on (a) beliefs about practices of feeding newborns, (b) knowledge about malaria, (c) childcare practices, (d) quantity and quality of antenatal care, and (e) attitude towards antenatal care and pregnancy. We estimate intention-to-treat effects in linear regression models using endline data and in a difference-in-differences model.

Findings

With no robust statistical significance across 50 outcomes, we find no evidence that the PLA intervention in Bihar had an impact on beliefs, attitudes, knowledge, behaviour related to pregnancy or childcare, or quality of antenatal care received. Less than one percent of the sample reported to have attended at least one PLA meeting.

Conclusion

Our results do not discredit the effectiveness of PLA interventions in general. They highlight that PLA interventions delivered through existing women's self-help groups need to consider the particular challenges to participation faced by pregnant women.
背景参与式学习和行动方案作为有效的社区干预措施得到推广,以改善孕产妇和儿童健康。关于它们对与怀孕和儿童保育有关的知识和行为的影响的证据有限且好坏参半。在2015年至2016年期间,国家支持的机构在印度比哈尔邦农村的妇女自助团体中实施了大规模的解放军干预,由训练有素的机构工作人员为会议提供便利。我们通过一项集群随机对照试验评估了这种干预措施的影响。方法在1个实施区,将68个村组随机分为是否接受干预组。通过对干预前怀孕的1612名妇女的调查数据,我们评估了该计划对以下方面的影响:(a)对喂养新生儿做法的看法,(b)对疟疾的认识,(c)育儿做法,(d)产前护理的数量和质量,以及(e)对产前护理和怀孕的态度。我们在使用终点数据和差中差模型的线性回归模型中估计意向治疗效应。研究结果:在50个结果中没有显著的统计学意义,我们发现没有证据表明比哈尔邦的解放军干预对与怀孕或育儿有关的信念、态度、知识、行为或产前护理质量有影响。据报道,不到百分之一的样本参加了至少一次解放军会议。结论我们的研究结果并不否定解放军干预的有效性。他们强调,通过现有妇女自助团体提供的解放军干预措施需要考虑孕妇参与所面临的特殊挑战。
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引用次数: 0
Subjective, intersubjective, and objective social statuses: How do people imagine social inequality? 主体性、主体间性和客观社会地位:人们如何想象社会不平等?
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-11-08 DOI: 10.1016/j.ssmph.2025.101878
Naoki Sudo
Previous studies have shown that although subjective social status is related to objective social status, these statuses do not necessarily coincide with each other. Consequently, the relationship between subjective social status and social inequality had not been sufficiently explored. Accordingly, this study explored how and why they are related to each other by introducing the new concept of intersubjective social status. To measure subjective and intersubjective social statuses, I analyzed data from the Stratification and Social Psychology Survey in 2022 (SSP2022) and an online survey experiment by using ordered and multi-level ordered logistic regression models. The analysis revealed that although subjective and intersubjective social statuses share basic features, they are not the same concept. Subjective social status emphasizes the social inequality of opportunities, whereas intersubjective social status emphasizes the social inequality of outcomes. Additionally, the results revealed that the association between subjective and intersubjective (or objective) social statuses might vary depending on social status groups.
以往的研究表明,虽然主观社会地位与客观社会地位相关,但这些地位并不一定是一致的。因此,主观社会地位与社会不平等之间的关系没有得到充分的探讨。因此,本研究通过引入主体间社会地位的新概念,探讨了二者之间的关系以及相互关系的原因。为了测量主观和主体间社会地位,我采用有序和多层次有序逻辑回归模型分析了2022年分层与社会心理学调查(SSP2022)和在线调查实验的数据。分析表明,主体性社会地位和主体间性社会地位虽然具有共同的基本特征,但并不是同一概念。主观社会地位强调机会的社会不平等,而主体间社会地位强调结果的社会不平等。此外,研究结果还表明,主观和主观间(或客观)社会地位之间的关系可能因社会地位群体而异。
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引用次数: 0
Unequal distributional change in body mass index among pre-pregnant women and their male partners in northern Sweden: a quantile regression analysis 瑞典北部孕前妇女及其男性伴侣体重指数的不平等分布变化:分位数回归分析
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-11-06 DOI: 10.1016/j.ssmph.2025.101877
Fethi Mohammed Yusuf, Anni-Maria Pulkki-Brännström, Per E. Gustafsson, Anneli Ivarsson, Marie Lindkvist, Masoud Vaezghasemi

Background

Obesity is a global public health issue with increasing prevalence and notable differences across population. Previous studies on body mass index (BMI) trends and inequalities have focused on overweight/obesity prevalence or average BMI changes, overlooking differences across the BMI distribution. This study investigates whether changes in BMI distribution are uniform or different over time and educational attainment.

Methods

This study is based on repeated cross-sectional surveys in Västerbotten, Sweden. Study participants were expectant parents visiting antenatal care (2010–2019) as part of the Salut Programme. During early pregnancy, 18,215 women and 17,890 male partners completed questionnaires. Quantile regression analyses were conducted to assess BMI distribution changes over time and by education for men and women.

Results

The BMI distribution for women showed a sharper increase in the upper tail in 2018/19 compared to 2010/11, whereas for men, the upper tail showed a gradual rise over years. Similar changes in BMI distributions were observed over time across both educational groups, with a notable increase in the higher BMI segments.

Conclusion

The study revealed weight gain inequalities, with higher BMI segments experiencing a disproportionately higher rise compared to others. Identifying high-risk groups in vulnerable settings will better equip decision-makers to design and implement targeted intervention strategies to reduce overweight and obesity.
肥胖是一个全球性的公共卫生问题,其患病率不断上升,且在人群中存在显著差异。以往关于身体质量指数(BMI)趋势和不平等的研究主要关注超重/肥胖患病率或平均BMI变化,而忽视了BMI分布的差异。这项研究调查了BMI分布随时间和受教育程度的变化是均匀的还是不同的。方法本研究基于瑞典Västerbotten的重复横断面调查。作为Salut计划的一部分,研究参与者是在2010-2019年进行产前护理的准父母。在怀孕早期,18,215名女性和17,890名男性伴侣完成了问卷调查。分位数回归分析评估了BMI随时间和受教育程度的变化。结果与2010/11年相比,2018/19年女性的BMI上尾分布明显增加,而男性的上尾分布则呈逐年逐渐上升的趋势。随着时间的推移,在两个教育组中观察到相似的BMI分布变化,BMI较高的部分显著增加。该研究揭示了体重增加的不平等,与其他人群相比,BMI指数较高的人群体重增加的比例更高。确定弱势环境中的高危人群将使决策者更好地设计和实施有针对性的干预战略,以减少超重和肥胖。
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引用次数: 0
Diffusion and division: A spatial analysis of surrogacy policy determinants in the United States 扩散与分裂:美国代孕政策决定因素的空间分析
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-30 DOI: 10.1016/j.ssmph.2025.101876
Jingjing Gao , Muinat Abolore Idris , Gabriela A. Gallegos , Bryan Colby Griffin , Sharon V. Munroe , Jason H. Windett

Background

Advancements in reproductive technologies have made surrogacy an increasingly attractive option for individuals and couples facing fertility challenges. In 2022, the global commercial surrogacy market was valued at approximately $14 billion, with the United States contributing a significant share due to its robust healthcare and legal infrastructure. However, surrogacy policy in the United States remains highly fragmented—some states have permissive legal frameworks, others prohibit surrogacy entirely, and many have no formal statutes. This study examines how states’ political ideology, religiosity, and socioeconomic factors influence the adoption of surrogacy policies across the United States.

Methods

We conducted a spatial analysis using data from the United States Census Bureau, World Population Review, and the United States Surrogacy Law Map. States were categorized based on the permissiveness of their surrogacy policies. Spatial lag regression model and ordered logistic regression models were employed to assess associations between policy status and independent variables, including religiosity, political affiliation, income, and racial demographics.

Results

Moran's I indicated significant positive spatial clustering of surrogacy law permissiveness across states (I = 0.206, p < 0.05), suggesting geographic diffusion of policy environments. Spatial lag regression results showed that higher religiosity was associated with more restrictive policies, although this effect attenuated after adjusting for socioeconomic and political factors. Ordered logistic regression models confirmed these associations while explicitly accounting for the ordinal outcome structure: higher religiosity significantly decreased the odds of permissive policies (Model 1: β = −0.124, p < 0.05), whereas racial diversity predicted greater policy permissiveness. In fully adjusted models, the percentage of White, Black, and Hispanic residents remained positive and significant predictors of permissive surrogacy laws, while religiosity trended negative but fell just short of statistical significance (p = 0.07).

Conclusion

This study demonstrates that a combination of religiosity, racial composition, and spatial proximity to like-minded states shapes state-level surrogacy policy in the United States. Higher religious adherence is linked to more restrictive policies, while a greater proportion of White residents correlates with increased permissiveness when broader structural factors are considered. The findings underscore the importance of accounting for sociopolitical and geographic context in reproductive policy analysis. To promote equitable access to assisted reproductive technologies, public health efforts and legal reforms must consider these underlying sociocultural and spatial dynamics.
生殖技术的进步使代孕成为面临生育挑战的个人和夫妇越来越有吸引力的选择。2022年,全球商业代孕市场价值约为140亿美元,美国因其强大的医疗保健和法律基础设施而贡献了很大份额。然而,美国的代孕政策仍然高度分散——一些州有允许代孕的法律框架,另一些州完全禁止代孕,还有许多州没有正式的法规。本研究考察了各州的政治意识形态、宗教信仰和社会经济因素如何影响美国各地代孕政策的采用。方法利用美国人口普查局、《世界人口评论》和美国代孕法律地图的数据进行空间分析。各州根据其代孕政策的容忍度进行了分类。采用空间滞后回归模型和有序逻辑回归模型评估政策状态与宗教信仰、政治派别、收入和种族人口统计等自变量之间的关系。结果moran’s I显示各州的代孕法律许可存在显著的正空间聚类(I = 0.206, p < 0.05),表明政策环境存在地理扩散。空间滞后回归结果显示,较高的宗教信仰与更多的限制性政策相关,尽管在调整了社会经济和政治因素后,这种效应减弱。有序逻辑回归模型证实了这些关联,同时明确考虑了有序结果结构:较高的宗教信仰显著降低了宽松政策的几率(模型1:β = - 0.124, p < 0.05),而种族多样性预测了更大的政策宽容。在完全调整的模型中,白人、黑人和西班牙裔居民的百分比仍然是积极的,并且是允许代孕法律的显著预测因素,而宗教虔诚度呈消极趋势,但没有统计学意义(p = 0.07)。本研究表明,宗教信仰、种族构成和与志同道合的州的空间邻近性共同影响了美国的州级代孕政策。较高的宗教信仰与更严格的政策有关,而当考虑到更广泛的结构性因素时,白人居民比例越大,则与更宽松的政策有关。调查结果强调了在生育政策分析中考虑社会政治和地理背景的重要性。为了促进公平获得辅助生殖技术,公共卫生工作和法律改革必须考虑到这些潜在的社会文化和空间动态。
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引用次数: 0
Is objectively measured exposure to built and natural environment associated with population-level cardiovascular disease mortality in Great Britain? 在英国,客观测量的人造环境和自然环境暴露与人群水平的心血管疾病死亡率相关吗?
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-25 DOI: 10.1016/j.ssmph.2025.101875
Laura Macdonald , Natalie Nicholls , Fiona Caryl , Jonathan R. Olsen , Daniela Fecht , Richard Mitchell

Background

Cardiovascular disease (CVD) causes one-third of global mortality, with modifiable risk factors such as unhealthy diet, sedentary behaviour, tobacco/alcohol use contributing to 80 % of CVD deaths. The built environment (BE) can influence CVD risk indirectly by shaping health behaviours and directly through environmental exposures like air pollution. While research has established connections between isolated environmental features and CVD, this study addresses significant research gaps in understanding how multiple BE characteristics influence CVD mortality across socioeconomic contexts, aiming to inform neighbourhood design to reduce both CVD and inequalities.

Methods

We modelled, for small areas across GB, tree cover, air pollution, walkability, densities of health-detrimental amenities (‘bads’) (e.g. fast-food outlets) and health-promoting amenities (‘goods’) (e.g. gyms), and income deprivation. Generalised linear models were used to assess associations between small area features and (sex-stratified) age-standardised CVD mortality rates (i.e. ICD-10 codes I00–I99), controlling for deprivation, urban-rural, country, and local authority. Combined models (i.e. models mutually adjusted for all BE features) identified the unique contribution of each feature while accounting for those that ‘co-located’. Interaction analysis was performed to examine variations by income deprivation.

Results

A slight increase in CVD mortality risk was associated with greater ‘goods’ densities (female mortality ratio (MR):1.005 (CIs:1.003–1.007), p < 0.001, male MR:1.005 (CIs:1.003–1.006), p < 0.001), and higher air pollution (female MR:1.006 (CIs:1.003–1.009), p < 0.001, male MR:1.008 (CIs:1.005–1.009), p < 0.001). A slight decrease in CVD mortality was associated with higher walkability for females (MR:0.996 (CIs:0.992–0.999), p = 0.034) and tree cover for males (MR:0.999 (CIs:0.998–0.999), p = 0.007). Higher air pollution levels and ‘bads’ were associated with higher male CVD mortality in deprived areas.

Conclusion

Findings have clear policy implications, suggesting prioritisation of reductions in air pollution—particularly in deprived areas—while promoting walkability and tree cover to reduce health inequalities. Unexpected positive associations between ‘goods’ and mortality highlight that complex neighbourhood effects warrant further study.
背景:心血管疾病(CVD)造成了全球三分之一的死亡,不健康饮食、久坐行为、吸烟/饮酒等可改变的风险因素导致了80%的心血管疾病死亡。建筑环境(BE)可以通过塑造健康行为间接影响心血管疾病风险,也可以通过空气污染等环境暴露直接影响心血管疾病风险。虽然研究已经建立了孤立的环境特征与CVD之间的联系,但本研究解决了在理解多种BE特征如何影响社会经济背景下CVD死亡率方面的重大研究空白,旨在为社区设计提供信息,以减少CVD和不平等。方法我们在英国的小区域内建立了树木覆盖、空气污染、可步行性、有害健康设施(“坏”)(如快餐店)和促进健康设施(“好”)(如健身房)的密度以及收入剥夺的模型。使用广义线性模型评估小区域特征与(性别分层)年龄标准化CVD死亡率(即ICD-10代码I00-I99)之间的关联,控制贫困、城乡、国家和地方当局。组合模型(即针对所有BE特征相互调整的模型)确定了每个特征的独特贡献,同时考虑了那些“共同定位”的特征。通过相互作用分析来检验收入剥夺的变化。结果心血管疾病死亡风险的轻微增加与较高的“货物”密度(女性死亡率(MR):1.005 (ci: 1.003-1.007), p < 0.001,男性死亡率:1.005 (ci: 1.003-1.006), p < 0.001)和较高的空气污染(女性死亡率:1.006 (ci: 1.003-1.009), p < 0.001,男性死亡率:1.008 (ci:1.005 - 1.009), p < 0.001)相关。心血管疾病死亡率的轻微下降与女性较高的步行能力(MR:0.996 (CIs: 0.992-0.999), p = 0.034)和男性较高的树木覆盖率(MR:0.999 (CIs: 0.998-0.999), p = 0.007)相关。在贫困地区,较高的空气污染水平和“坏”与较高的男性心血管疾病死亡率有关。研究结果具有明确的政策意义,建议优先减少空气污染,特别是在贫困地区,同时促进步行和树木覆盖,以减少健康不平等。“商品”与死亡率之间意想不到的正相关关系突出表明,复杂的邻里效应值得进一步研究。
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引用次数: 0
Patterns of violence exposure in a life-course perspective and associations to mental and physical health problems and health-related risk behaviors among women and men in Sweden: A latent class analysis 从生命历程的角度看,瑞典妇女和男子遭受暴力的模式及其与身心健康问题和与健康有关的危险行为的联系:潜在阶层分析
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-23 DOI: 10.1016/j.ssmph.2025.101874
Rickard Pettersson , Steven Lucas , Mattias Strandh

Background

Individual histories of abuse characteristics and other adversities must be considered to understand poly-victimization and its impact on ill-health, which suggests the importance of understanding how experiences of violence are interconnected over a life-course.

Objective

To explore gendered patterns of lifetime poly-victimization—physical, emotional, and sexual—and examine how distinct exposure profiles relate to adult health outcomes. The analysis is guided by the Trauma-Informed Theory of Individual Health Behavior (TTB) framework to deepen understanding of gendered trauma trajectories and their long-term effects.

Methods

10 337 Swedish women and men aged 18–74 participated in a combined online and postal survey. Attrition bias was controlled for based on official registry information. Latent Class Analysis (LCA) was used for identification of groups. Associations between mental and physical health indicators and health-related risk behaviors were analyzed using logistic regression, adjusting for background variables including age, self-reported parental immigrant status, and parental educational attainment.

Results

Patterns of lifetime poly-victimization were more complex among women (7 classes) than men (4 classes). Among men, exposure was primarily characterized by childhood physical and emotional violence, as well as adult non-partner physical violence. In contrast, women's profiles often included childhood sexual violence and partner violence in adulthood, with stronger associations to multiple health problems and risk behaviors, and generally higher odds ratios compared to men. Among women, three unique clusters were identified, one of which may reflect more advanced resilience capacities compared to other clusters with similar trajectories of childhood violence exposure.

Conclusions

Gendered patterns of poly-victimization and their health-related consequences underscore the importance of early intervention to prevent revictimization. The identification of unique and resilient clusters among women, despite similar childhood violence exposure, highlights the need for further research into protective mechanisms and trauma-to-benefit pathways, as conceptualized within the TTB framework.
为了了解多重受害及其对健康不良的影响,必须考虑个人的虐待特征和其他逆境历史,这表明了解暴力经历在一生中是如何相互关联的重要性。目的探讨终身多重受害的性别模式——身体、情感和性——并检查不同的暴露概况与成人健康结果的关系。该分析以个体健康行为创伤知情理论(TTB)框架为指导,以加深对性别创伤轨迹及其长期影响的理解。方法337名年龄在18-74岁之间的瑞典男女参加了网上和邮寄相结合的调查。根据官方注册信息控制流失偏差。采用潜类分析(LCA)进行分组鉴定。使用逻辑回归分析了心理和身体健康指标与健康相关风险行为之间的关系,调整了背景变量,包括年龄、自我报告的父母移民身份和父母的教育程度。结果女性(7类)比男性(4类)更复杂。在男性中,暴露的主要特征是儿童时期的身体和情感暴力,以及成年后非伴侣的身体暴力。相比之下,妇女的情况往往包括儿童期性暴力和成年期伴侣暴力,与多种健康问题和危险行为有更强的关联,而且与男子相比,她们的比值比通常更高。在妇女中,确定了三个独特的集群,其中一个可能反映出与其他具有类似童年暴力暴露轨迹的集群相比,更先进的复原能力。结论多重受害的性别模式及其与健康相关的后果强调了早期干预对防止再次受害的重要性。尽管儿童时期遭受过类似的暴力,但在妇女中发现了独特和有复原力的群体,这突出表明需要进一步研究在TTB框架内概念化的保护机制和从创伤到受益的途径。
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引用次数: 0
The decline in the physical stature of the U.S. population parallels the diminution in the rate of increase in life expectancy 美国人口身材的下降与预期寿命增长率的下降是同步的
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-14 DOI: 10.1016/j.ssmph.2025.101872
John Komlos
The U.S. healthcare and food-provisioning systems have failed to create an environment in which the human biological organism can flourish. Consequently, key health outcomes, most notably life expectancy, have consistently lagged those of other high-income populations since the Reagan era, coinciding with the adoption of economic policies that increased inequality and precarity across the population. We estimate the trends in physical stature, another omnibus indicator of a population's biological well-being that reflects not only nutritional intake, inequality, and stress experienced by the population, but also the overall health environment—using a sample of 44,322 adults from the NHANES surveys, stratified by gender and three ethnic groups. We find that the height of Americans began to decline among those born around or before the early 1980s in parallel with the diminution in the rate of increase of life expectancy. The decline in adult height ranged from 0·68 ± 0.36 cm among white women to 1·97 ± 0.50 cm among Hispanic men and is statistically significant across all six demographic groups considered. This decline in heights serves as corroborating evidence that the U.S.‘s laissez-faire approach to healthcare and food provisioning delivers suboptimal population health outcomes. Public health priorities urgently need to be refocused.
美国的医疗保健和食品供应系统未能创造一个人类生物有机体可以蓬勃发展的环境。因此,自里根时代以来,主要的健康成果,尤其是预期寿命,一直落后于其他高收入人群,同时采取的经济政策加剧了整个人口的不平等和不稳定。我们利用来自NHANES调查的44,322名成年人的样本,按性别和三个种族进行分层,估计了身材的趋势,这是人口生物健康的另一个综合指标,不仅反映了人口的营养摄入、不平等和压力,还反映了整体健康环境。我们发现,出生在20世纪80年代前后或之前的美国人的身高开始下降,与此同时,预期寿命的增长率也在下降。成年身高的下降范围从白人女性的0.68±0.36厘米到西班牙裔男性的1.97±0.50厘米,在所有六个人口统计学群体中都有统计学意义。身高的下降是确凿的证据,证明美国在医疗保健和食品供应方面的自由放任政策导致了不理想的人口健康结果。迫切需要重新确定公共卫生优先事项的重点。
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引用次数: 0
Unpacking rural Heterogeneity: A proof-of-concept study of how varying rural contexts shape breast cancer screening behaviors 解开农村异质性:一项关于不同农村环境如何影响乳腺癌筛查行为的概念验证研究
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-13 DOI: 10.1016/j.ssmph.2025.101873
Jennifer L. Cruz , Destiny A. Jackson , Sarah L. Johns , Shoba Ramanadhan , Douglas A. Luke , Karen M. Emmons , Rachel M. Ceballos

Purpose

Rural women in the U.S. experience persistent inequities in breast cancer (BrCa) screening access, yet rural populations are often treated as a monolith in research and practice. This study serves as a proof of concept by examining how contextual heterogeneity across rural settings in South-Central Washington shapes screening behaviors and access, emphasizing the intersection of structural, cultural, and environmental factors through a community-informed lens.

Methods

Guided by the Community Capitals Framework, we conducted focus groups with women in two demographically and economically distinct rural communities in South-Central Washington. Participants discussed how barriers to BrCa screening manifest across seven domains of community capital—natural, cultural, human, social, political, financial, and built—offering a multidimensional understanding of health access in context.

Findings

Participants across both rural settings identified overlapping community barriers, but also revealed unique, context-specific barriers. Four emergent themes captured these dynamics: (1) seasonality and competing resource demands; (2) distance as a resource-dependent constraint; (3) gendered expectations shaping care access; and (4) race and place influencing resource distribution. These findings illustrate how overlapping systems of power and community assets interact to shape health behavior and access.

Conclusions

Addressing rural BrCa screening inequities requires more than generic rural interventions; this study demonstrates that inequities may manifest differently across rural types, with distinct underlying dynamics shaping barriers. By showing how contextual variation influences health behaviors, this proof-of-concept study underscores the importance of disaggregating rural populations in health research and tailoring interventions to the specific mechanisms and resources operating within each context.
目的:美国农村妇女在乳腺癌(BrCa)筛查机会方面持续存在不平等,但在研究和实践中,农村人口往往被视为一个整体。本研究通过考察华盛顿州中南部农村环境的背景异质性如何影响筛查行为和获取途径,通过社区知情的视角强调结构、文化和环境因素的交叉,从而证明了这一概念。方法:在社区首都框架的指导下,我们对华盛顿州中南部两个人口和经济截然不同的农村社区的妇女进行了焦点小组讨论。与会者讨论了BrCa筛查的障碍如何在社区资本——自然、文化、人力、社会、政治、金融和建筑——七个领域中表现出来,从而对背景下的健康获取有了多维的理解。两个农村地区的参与者发现了重叠的社区障碍,但也揭示了独特的、特定于环境的障碍。四个新兴主题抓住了这些动态:(1)季节性和竞争性资源需求;(2)距离作为资源依赖约束;(3)性别期望塑造护理可及性;(4)种族和地域对资源分布的影响。这些发现说明了重叠的权力系统和社区资产如何相互作用,以塑造健康行为和获取。结论:解决农村BrCa筛查不公平问题需要的不仅仅是一般的农村干预措施;本研究表明,不同农村类型的不平等现象可能表现不同,形成障碍的潜在动力各不相同。通过展示环境差异如何影响健康行为,这项概念验证研究强调了在健康研究中对农村人口进行分类以及根据每种环境下的具体机制和资源调整干预措施的重要性。
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引用次数: 0
Hidden by national averages: Unveiling the complex dynamics of ethnic disparities in under-five survival across sub-Saharan Africa 隐藏在国家平均水平之下:揭示撒哈拉以南非洲五岁以下儿童生存的种族差异的复杂动态
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-13 DOI: 10.1016/j.ssmph.2025.101870
Vincent Bio Bediako
Under-five mortality in sub-Saharan Africa has declined markedly, yet ethnic gaps persist and may even widen despite overall gains. This study uses two consecutive rounds of Demographic and Health Surveys (2007–2022) from twelve countries to trace how child characteristics, maternal education, household wealth, and urban-rural residence drive ethnic differentials in child survival. Country-specific total births ranged from 23,109 to 127,545 per survey round. Employing survey-weighted quasi-Poisson models with person-year offsets and a sequential Shapley-value decomposition, the study estimates crude and adjusted rate ratios for pairwise ethnic comparisons. It predicts mortality rates under counterfactual socioeconomic conditions. Results show enduring disparities, for example, among the Luo versus the Kalenjin in Kenya (adjusted RR 2.15, 95 % CI 1.83–2.51) and the Hausa versus the Yoruba in Nigeria (adjusted RR 1.39, 95 % CI 1.22–1.56), with maternal education accounting for roughly one-quarter to one-third of inequality. At the same time, the role of household wealth varies by context. Sensitivity analyses examining administrative boundary effects revealed that geographic mediation accounts for 15.4 % of ethnic disparities in Ghana's centralized system and 35.1 % in Nigeria's decentralized federal structure, suggesting that apparent ethnic disparities substantially reflect differential healthcare access across administrative units rather than intrinsic cultural factors. In Ghana, targeted policies combining fee removal and culturally tailored maternal care have noticeably narrowed ethnic gaps. These findings underscore that eliminating preventable child deaths by 2030 requires interventions that address both the socioeconomic and cultural determinants of ethnic disadvantage.
撒哈拉以南非洲的五岁以下儿童死亡率显著下降,但种族差距仍然存在,尽管总体上取得了进展,但差距甚至可能扩大。本研究使用来自12个国家的连续两轮人口与健康调查(2007-2022)来追踪儿童特征、母亲教育、家庭财富和城乡居住如何驱动儿童生存的种族差异。每轮调查的具体国家出生总数从23,109到127,545不等。采用调查加权的准泊松模型,加上人年偏移量和顺序shapley值分解,该研究估计了两两种族比较的粗比率和调整比率。它预测了在反事实的社会经济条件下的死亡率。结果显示,例如,在肯尼亚的卢奥族与卡伦津族之间(调整后的相对危险度为2.15,95%可信区间为1.83-2.51)和尼日利亚的豪萨族与约鲁巴族之间(调整后的相对危险度为1.39,95%可信区间为1.22-1.56)存在着持久的差异,其中孕产妇教育占不平等的大约四分之一至三分之一。与此同时,家庭财富的作用因环境而异。考察行政边界效应的敏感性分析显示,加纳中央集权体制下的种族差异占15.4%,尼日利亚分散的联邦体制下的种族差异占35.1%,这表明明显的种族差异在很大程度上反映了行政单位之间医疗保健获取的差异,而不是内在的文化因素。在加纳,有针对性的政策结合了费用减免和符合文化特点的产妇护理,显著缩小了种族差距。这些调查结果强调,到2030年消除可预防的儿童死亡需要采取干预措施,解决种族劣势的社会经济和文化决定因素。
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引用次数: 0
The influence of negative wealth shock on depressive symptoms and major depressive episode among older adults 负财富冲击对老年人抑郁症状及重性抑郁发作的影响
IF 3.1 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Pub Date : 2025-10-11 DOI: 10.1016/j.ssmph.2025.101871
Weidi Qin , Jiao Yu , Belinda L. Needham , Stephanie A. Robert
A negative wealth shock (i.e., a sudden large loss in wealth) represents a stressful life event that threatens older adults' mental health. This study examines whether a negative wealth shock is associated with both 12-month major depressive episodes and 1-week depressive symptoms over time among older adults, compared to positive wealth without a shock. This study also examines whether baseline net worth moderates the association between a negative wealth shock and depressive symptoms. The study utilized a national sample of 15,660 individuals from six waves of the Health and Retirement Study (2008–2018). We estimated mixed-effects models based on respondents’ self-reported wealth and depressive symptoms. A negative wealth shock was defined as a loss of 75 % in total wealth compared to the previous wave. We applied inverse probability weighting to account for potential selection bias. A negative wealth shock was associated with 1.30 times higher odds of having major depressive episodes compared to positive wealth. Both a negative wealth shock (incidence rate ratio [IRR] = 1.30, 95 % Confidence Interval [CI]: 1.06–1.60) and baseline negative wealth (IRR = 1.05, 95 % CI: 1.01–1.09) were associated with a higher rate of depressive symptoms compared to positive wealth. No interaction effects between baseline net worth and a negative wealth shock on depressive symptoms were observed. A negative wealth shock in mid-to-late life has detrimental effects on both 12-month and past-week depressive symptoms, providing implications for mental health programs for older adults at financial risk.
负面的财富冲击(即财富的突然大量损失)代表着威胁老年人心理健康的压力生活事件。本研究考察了在老年人中,与没有冲击的积极财富相比,消极财富冲击是否与12个月的重度抑郁发作和1周的抑郁症状有关。本研究还探讨了基线净资产是否能调节负面财富冲击与抑郁症状之间的关联。该研究利用了来自六次健康与退休研究(2008-2018)的15660人的全国样本。我们根据受访者自我报告的财富和抑郁症状估计了混合效应模型。负财富冲击的定义是,与前一波相比,总财富损失75%。我们应用逆概率加权来解释潜在的选择偏差。消极的财富冲击与严重抑郁发作的几率是积极的财富冲击的1.30倍。负财富冲击(发病率比[IRR] = 1.30, 95%可信区间[CI]: 1.06-1.60)和基线负财富(IRR = 1.05, 95%可信区间[CI]: 1.01-1.09)与较高的抑郁症状发生率相关。基线净资产和负财富冲击对抑郁症状没有交互作用。中晚年的负面财富冲击对12个月和过去一周的抑郁症状都有不利影响,为面临财务风险的老年人的心理健康项目提供了启示。
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Ssm-Population Health
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