Shisi Shen, Ning Ma, Tingting Wu, Yang Xiong, Jialu Yang, Xiaoai Wu, Xianhong Xiang
{"title":"The association between all-cause mortality with drinking habits and water sources: a nationwide longitudinal study on Chinese elderly.","authors":"Shisi Shen, Ning Ma, Tingting Wu, Yang Xiong, Jialu Yang, Xiaoai Wu, Xianhong Xiang","doi":"10.7189/jogh.15.04120","DOIUrl":"10.7189/jogh.15.04120","url":null,"abstract":"<p><strong>Background: </strong>Few studies have reported on the association between drinking habits, water sources and all-cause mortality among the elderly, who are susceptible to toxic environmental factors. We aimed to address this gap by conducting a longitudinal study among the Chinese population.</p><p><strong>Methods: </strong>We conducted a 16-year longitudinal study using data of individuals aged >65 years at baseline enrolled in the Chinese Longitudinal Healthy Longevity Study. A formal questionnaire was used to collect data on drinking habits and water sources. The former to whether participants consumed boiled or unboiled water, while the latter queried the use of well water, surface water, spring water, and tap water. We used Cox proportional hazard adjusted for sociodemographic factors, lifestyle, and common diseases to calculate the risk of all-cause mortality associated with drinking water. We further conducted subgroup analyses to evaluate potential interaction effects.</p><p><strong>Results: </strong>We used data on 15 664 individuals, among whom 4472 men and 6166 women died from any reason. Participants who drank unboiled water were more likely than those who drank boiled water to eventually reach a high risk of all-cause mortality (hazard ratio (HR) = 1.14; 95% confidence interval (CI) = 1.06-1.23). Compared to drinking well water, drinking tap water in childhood (HR = 0.80; 95% CI = 0.68-0.95), being around 60 years of age (HR = 0.81; 95% CI = 0.76-0.86), and at present (HR = 0.90; 95% CI = 0.86-0.95) were all associated with lower risks of all-cause mortality. Drinking surface water in childhood was also related to a lower risk of all-cause mortality (HR = 0.94; 95% CI = 0.90-0.98). However, drinking spring water was not associated with all-cause mortality across the entire lifespan in the total sample.</p><p><strong>Conclusions: </strong>Drinking unboiled water was associated with a higher risk of all-cause mortality. In comparison to well water, tap water emerged as a safer and healthier option for the elderly Chinese population throughout their whole life cycle.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04120"},"PeriodicalIF":4.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12427601/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Machine learning-based risk factor analysis and prediction model construction for mortality in chronic heart failure.","authors":"Qian Xu, Ruicong Yu, Xue Cai, Guanjie Chen, Yueyue Zheng, Cuirong Xu, Jing Sun","doi":"10.7189/jogh.15.04242","DOIUrl":"10.7189/jogh.15.04242","url":null,"abstract":"<p><strong>Background: </strong>Given the high global mortality burden of chronic heart failure (CHF) and the limitations of traditional risk prediction tools in accuracy and comprehensiveness, along with the potential of machine learning (ML) to improve prediction performance and the ability of a health ecology framework to systematically identify multi-dimensional risk factors, we aimed to develop an ML-based mortality risk prediction model for CHF and analyse its risk factors using a health ecology framework.</p><p><strong>Methods: </strong>We enrolled 489 CHF patients from the Jackson Heart Database, with all-cause mortality during a 10-year follow-up period designated as the outcome measure. Guided by a five-layer health ecology framework (individual traits, behavioural characteristics, interpersonal relationships, work/living conditions, and macro policies), we selected 58 variables for analysis. The cohort was split into 7:3 training/validation sets. Random forest (RF) and k-nearest neighbour (KNN) models identified mortality predictors after five oversampling techniques addressed data imbalance before modelling. We trained seven ML algorithms, validated them via 10-fold cross-validation, and compared them using accuracy, the area under the curve (AUC), and other metrics.</p><p><strong>Results: </strong>We identified 24 key factors: 19 for individual traits (age, body mass index (BMI), antihypertensive medication, hypoglycaemic medication, antiarrhythmic medication, systolic blood pressure, glycated haemoglobin, glomerular filtration rate, left ventricular ejection fraction, left ventricular diastolic diameter, left ventricular mass, high-density lipoproteins, low-density lipoproteins, triglycerides, total cholesterol, cardiovascular surgical history, mitral annular early diastolic peak velocity of motion); three for individual behavioural characteristics (dark greens intake, egg intake, and night-time sleep duration); and two for living and working conditions (favourite food shop at three-kilometre radius, proportion of poor people in the place of residence). The model constructed using synthetic minority over-sampling technique combined with edited nearest neighbours (SMOTE-ENN) processing and applying extreme gradient boosting (XGBoost) model was optimal, with an accuracy of 81.58%, an AUC value of 0.83, a precision of 0.87, a recall of 0.84, and an F1 value of 0.86 for the prediction of mortality at 10-year follow up.</p><p><strong>Conclusions: </strong>We systematically categorised CHF mortality risk factors by integrating health ecology theory and ML. The SMOTE-ENN and XGBoost model demonstrated high accuracy, though further optimisation is needed to enhance clinical utility in CHF risk prediction.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04242"},"PeriodicalIF":4.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12427600/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shenning Tian, Elizabeth A Hazel, Melinda Munos, Abdoulaye Maïga, Safia S Jiwani, Emily B Wilson, Gouda Roland Mesmer Mady, Agbessi Amouzou
{"title":"Inequities in effective coverage of family planning services in low- and middle-income countries: linking household and facility surveys.","authors":"Shenning Tian, Elizabeth A Hazel, Melinda Munos, Abdoulaye Maïga, Safia S Jiwani, Emily B Wilson, Gouda Roland Mesmer Mady, Agbessi Amouzou","doi":"10.7189/jogh.15.04211","DOIUrl":"10.7189/jogh.15.04211","url":null,"abstract":"<p><strong>Background: </strong>Despite decades of family planning (FP) programme successes in low- and middle-income countries (LMICs), women still face an unmet need for contraceptives, as well as inequalities in coverage. Including elements of service readiness in FP intervention coverage measures will better inform population-level programme performance.</p><p><strong>Methods: </strong>We identified five LMICs that had health facility and household surveys conducted <5 years apart within the past ten years: Bangladesh, Haiti, Malawi, Nepal, and Tanzania; only Nepal had time-trend data available. We developed quality readiness-adjusted FP coverage measures by linking health facility assessments (i.e. readiness) and household surveys (i.e. intervention coverage) according to ecological linking methods. We defined linking units by facility type, managing authority, and geographic location using women's reported source of contraceptives. We defined intervention coverage as the percentage of women aged 15-49 years who needed contraceptive services and were using a modern method, and calculated readiness-adjusted intervention coverage with the average FP readiness score in each linking unit. We used a coverage cascade model to understand gaps in health service readiness and access, and performed a health equity analysis for wealth, locality, and age.</p><p><strong>Results: </strong>Large gaps in FP intervention coverage and readiness were present in all settings. Facility readiness scores ranged from 0.58 to 0.66, with gaps in coverage and readiness-adjusted coverage ranging from 49 percentage points (pp) in Bangladesh to 21 pp in Haiti. Urban, wealthier, and adolescent women had lower readiness-adjusted coverage because they also obtained their contraceptives outside of health facilities. Coverage cascades changed little for Nepal between 2015 and 2021.</p><p><strong>Conclusions: </strong>By calculating readiness-adjusted FP coverage using a cascade model in five geographically diverse countries, including time trends in one country, we found large gaps in intervention and readiness-adjusted coverage with related inequalities.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04211"},"PeriodicalIF":4.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12427599/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jiayi Sun, Hao Li, Jun Deng, Jianing Liu, Nachuan Hu, Hui Liu, Yangdong Fan, Lei Shi
{"title":"The impact of sleep duration, depressive symptoms, and cognitive function on daily activity among Chinese older adults: a serial multiple mediation model.","authors":"Jiayi Sun, Hao Li, Jun Deng, Jianing Liu, Nachuan Hu, Hui Liu, Yangdong Fan, Lei Shi","doi":"10.7189/jogh.15.04267","DOIUrl":"10.7189/jogh.15.04267","url":null,"abstract":"<p><strong>Background: </strong>Few studies have explained the mechanisms underlying the relationship between sleep duration and the activities of daily living (ADL). We aim to explore the multiple mediating roles of depressive symptoms and cognitive function in this relationship among Chinese older adults.</p><p><strong>Methods: </strong>A total of 5858 older adults participated in the China Health and Retirement Longitudinal Study, completing the Center for Epidemiologic Studies Depression Scale, the ADL Scale, and the Telephone Interview for Cognitive Status Scale. We performed serial multiple mediation analysis using the Hayes' PROCESS macro.</p><p><strong>Results: </strong>Sleep duration influenced ADL both directly and indirectly through three significant pathways (P < 0.001). For individuals sleeping 6-8 hours, depressive symptoms accounted for 56.50% of the total effect. In contrast, for those sleeping ≥8 hours, depressive symptoms accounted for 65.50%. Cognitive function contributed to 1.79% of the total effect in the 6-8-hour group, whereas in the ≥8-hour group, cognitive function had a negative mediating effect of -4.60%. Combined mediation by depressive symptoms and cognitive function accounted for 2.42% of the total effect in the 6-8-hour group and 2.76% in the ≥8-hour group. The total mediating effect was 60.70% for the 6-8-hour group and 63.70% for the ≥8-hour group.</p><p><strong>Conclusions: </strong>The action mechanisms between different levels of sleep duration and ADL differed, but all showed significant effects from sleep duration, depressive symptoms, and cognitive function regarding ADL among older adults. Therefore, promoting sleep education and addressing depressive symptoms and cognitive decline in older adults are essential for the early detection and prevention of ADL impairment.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04267"},"PeriodicalIF":4.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12427602/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145041918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Age-period-cohort analysis of cardiovascular disease trends in middle-aged and older adults: cross-country comparison across HRS, ELSA, SHARE, and CHARLS.","authors":"Jiajia Li, Shiqi Lin, Heming Pei, Guilan Xie, Lijun Pei, Gong Chen","doi":"10.7189/jogh.15.04260","DOIUrl":"10.7189/jogh.15.04260","url":null,"abstract":"<p><strong>Background: </strong>Cardiovascular disease (CVD) is a leading cause of death globally, while the dynamics of CVD risk across different age groups, periods, and birth cohorts remain unclear. This study investigates how age, period, and cohort effects contribute to CVD risk across regions differently.</p><p><strong>Methods: </strong>We employed a repeated cross-sectional design, analysing data from four large longitudinal surveys in the USA, UK, Europe, and China. A hierarchical age-period-cohort analysis was conducted using Bayesian inference through the integrated nested Laplace approximation to model the effects of age, period, and cohort on CVD risk across these regions. Subgroup analyses were also conducted to examine the moderation effects of social-demographic factors.</p><p><strong>Results: </strong>CVD risk increases with age across all regions, peaking at age 75 in China while continuously rising in other areas. Period effects showed a significant increase in CVD risk over time in the USA, UK, and China, while a decline was observed in Europe after 2017. More recent birth cohorts showed a lower CVD risk, especially in the USA and UK. In China, the decrease in risk among recent cohorts was less pronounced. Gender, marital status, education, rural residence, and smoking moderated CVD risk trends across regions.</p><p><strong>Conclusions: </strong>This study highlights the importance of age, period, and cohort effects in understanding regional differences in CVD risk among middle-aged and older adults. Findings suggest that public health interventions should be tailored to specific regions and demographic groups to reduce CVD burden effectively.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04260"},"PeriodicalIF":4.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12434385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145042057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Trends of infectious diseases, epidemic patterns, and the association with meteorological events: 2500 years of evidence from an observational study.","authors":"Qiao Liu, Chenyuan Qin, Shimo Zhang, Jue Liu","doi":"10.7189/jogh.15.04254","DOIUrl":"10.7189/jogh.15.04254","url":null,"abstract":"<p><strong>Background: </strong>Meteorological factors are known to influence the transmission of infectious diseases. Studying historical epidemics in ancient China provides valuable insights into how environmental stressors shaped public health, with implications for modern disease control. We aimed to quantitatively assess the relationship between meteorological events and epidemic severity in China from 674 BC to 1911 AD.</p><p><strong>Methods: </strong>We extracted data from 'A Compendium of Chinese Meteorological Records of the Last 3000 Years'. We digitised epidemic events, consequences, and associated meteorological conditions and categorised them into ordinal levels. We used descriptive statistics and multivariable logistic regression to analyse annual patterns and associations across historical periods.</p><p><strong>Results: </strong>We identified 5338 epidemic-related records. While the number of reported epidemics increased over time, the proportion associated with meteorological events declined by 0.24% (95% confidence interval (CI) = 0.17-0.31) per decade between 1451 and 1911. Flood frequency was associated with higher epidemic severity: each additional flood increased the odds of moderate (vs. mild) consequences by 42% (95% CI = 8-87) and severe (vs. moderate) consequences by 46% (95% CI = 12-91). Droughts similarly raised the risk of severe consequences by 23% (95% CI = 7-41). Famines were also linked with heightened epidemic severity and were among the most commonly co-reported meteorological events, along with drought.</p><p><strong>Conclusions: </strong>As global climate intensifies, the historical relationship between environmental stressors and epidemic severity offers crucial lessons for modern public health. Regions vulnerable to climate extremes may require targeted, climate-informed epidemic preparedness and response strategies.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04254"},"PeriodicalIF":4.3,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12412270/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145001689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yu-Hui Chang, Whitney Burton, Phung-Anh Nguyen, Do Duy Khang, Chang-I Chen, Chung-Chien Huang, Carlos Shu-Kei Lam, Wen-Kuang Lin, Fu-Der Wang, Phan Thanh Phuc, Christine Y Lu, Hsin-Lun Lee, Min-Huei Hsu, Chih-Wei Huang, Hsuan-Chia Yang, Shiue-Ming Lin, Chieh Yang, Jason C Hsu
{"title":"Health risk assessment for severe COVID-19 in Taiwan: a multi-centre electronic health record study.","authors":"Yu-Hui Chang, Whitney Burton, Phung-Anh Nguyen, Do Duy Khang, Chang-I Chen, Chung-Chien Huang, Carlos Shu-Kei Lam, Wen-Kuang Lin, Fu-Der Wang, Phan Thanh Phuc, Christine Y Lu, Hsin-Lun Lee, Min-Huei Hsu, Chih-Wei Huang, Hsuan-Chia Yang, Shiue-Ming Lin, Chieh Yang, Jason C Hsu","doi":"10.7189/jogh.15.04236","DOIUrl":"10.7189/jogh.15.04236","url":null,"abstract":"<p><strong>Background: </strong>As the global battle against COVID-19 continues, understanding the factors contributing to severe outcomes remains critical for public health strategies. We aim to identify the determinants significantly influencing severe COVID-19 infection and mortality among the general population in Taiwan.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study using data extracted from the Taipei Medical University Clinical Research Database from 1 January 2022 to 31 December 2022. We defined the primary outcomes as severe COVID-19 infection, including hospitalisation, ventilator use, intubation, and mortality. We performed logistic regression analyses to explore the association of various factors, including demographic characteristics, body mass index (BMI), Charlson Comorbidity Index score, and multiple comorbidities.</p><p><strong>Results: </strong>Among 96 489 confirmed COVID-19 cases, 44 996 (46.6%) were classified as high-risk patients. Compared to females, male patients had significantly higher risks of ventilator use (odds ratio (OR) = 1.245; 95% confidence interval (CI) = 1.147-1.352, P < 0.0001), intubation (OR = 1.115; 95% CI = 1.011-1.230, P = 0.03), and mortality (OR = 1.510; 95% CI = 1.332-1.713, P < 0.0001). Patients with lower BMI had significantly increased risks of ventilator use (OR = 0.972; 95% CI = 0.964-0.981, P < 0.0001) and mortality (OR = 0.92; 95% CI = 0.908-0.935, P < 0.0001), compared to patients with higher BMI. Patients with chronic comorbidities such as heart disease, moderate to severe kidney disease, diabetes, cancer, hypertension, anaemia, and Parkinson disease had significantly higher risks of severe COVID-19 or mortality compared to those without these conditions. Conversely, patients with peptic ulcer disease or hyperlipidaemia seem to have lower risks of severity and mortality compared to those without these conditions.</p><p><strong>Conclusions: </strong>We found that being male, having a lower BMI, and having certain chronic conditions increased the risk of severe COVID-19 outcomes, while peptic ulcer disease and hyperlipidaemia were linked to reduced risks. These findings highlight the need for targeted public health strategies for high-risk groups.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04236"},"PeriodicalIF":4.3,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12412269/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145001787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ramitha Eshan Ruwanpathirana, Swati Deshpande, Sophia Abdulhai, Mathilde Djeneba Billau, Sumeja Catic, Theresa L Chin, Julia N Harrison, Pratyush Kumar, Maria Cecilia T Leyson, Helen W Li, Katayoun S Madani, Arthur Serumaga, Margaret Tarpley, Grayson Wright, Nia N Zalamea, Joshua S Ng-Kamstra
{"title":"Establishing best practices guidelines for collaborative research in global surgery: developing a Delphi survey.","authors":"Ramitha Eshan Ruwanpathirana, Swati Deshpande, Sophia Abdulhai, Mathilde Djeneba Billau, Sumeja Catic, Theresa L Chin, Julia N Harrison, Pratyush Kumar, Maria Cecilia T Leyson, Helen W Li, Katayoun S Madani, Arthur Serumaga, Margaret Tarpley, Grayson Wright, Nia N Zalamea, Joshua S Ng-Kamstra","doi":"10.7189/jogh.15.04237","DOIUrl":"10.7189/jogh.15.04237","url":null,"abstract":"<p><strong>Background: </strong>Collaborative research in global surgery has resulted in the rapid development of the field via knowledge creation and dissemination, research capacity building, and direct improvements in the delivery of clinical care. Yet the establishment and maintenance of trans-boundary collaborations carries significant risk to health systems, clinicians, patients, and researchers, particularly if such collaborations are not developed thoughtfully and with appropriate guardrails. In recent years, there has been significant growth in the literature on the pervasiveness and impact of neocolonialism on global health research.</p><p><strong>Methods: </strong>To harness the benefits of global surgery research collaboration while mitigating these risks, we reviewed the literature, collaboratively developed best practice statements, and iteratively refined these.</p><p><strong>Results: </strong>Eighty-one best practice statements were developed across six themes: establishing partnerships, managing power imbalances, addressing equity in funding, ensuring high ethical standards in Human Subjects Research, maintaining quality and rigor in scientific work, and long-term planning.</p><p><strong>Conclusions: </strong>These statements will form the basis of a Delphi process to establish a robust set of guidelines for best practice in collaborative global surgery research.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04237"},"PeriodicalIF":4.3,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12412064/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145001757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Associations between season of conception and maternal and perinatal health: a prospective birth cohort study.","authors":"Qingxiu Li, Yecheng Miao, Jiayi Chen, Qian Zhang, Bin Sun, Zhengqin Wu, Junwei Liu, Huimin Shi, Haiyan Gao, Wei Li, Wenjuan Liu, Yibing Zhu, Haibo Li","doi":"10.7189/jogh.15.04243","DOIUrl":"10.7189/jogh.15.04243","url":null,"abstract":"<p><strong>Background: </strong>Global maternal health progress stagnated during the Sustainable Development Goal era, while the impact of meteorological conditions on maternal-infant outcomes remains contentious. We aimed to investigate the relationship between the season of conception and adverse perinatal outcomes.</p><p><strong>Methods: </strong>We conducted a prospective cohort study, collecting basic demographic characteristics of pregnant women and estimating the season of conception based on the date of the last menstrual period. We did a follow-up until delivery to monitor pregnancy health issues, such as gestational diabetes mellitus (GDM), gestational hypertension (GH), premature rupture of membranes (PROM), and postpartum haemorrhage (PPH), as well as neonatal health indicators such as birth weight and other relevant outcomes.</p><p><strong>Results: </strong>We included data from 26 341 pregnant women in our analysis. The average age of pregnant women was 30.3 years (standard deviation (SD) = 4.0), and 60.9% were primiparas. Compared to conception in spring (reference group), conception in summer was associated with a 15% reduction in GDM risk (odds ratio (OR) = 0.85; 95% confidence interval (CI) = 0.77-0.94) and a 10% lower PROM risk (OR = 0.90; 95% CI = 0.82-0.99), but a 46% increased PPH risk (OR = 1.46; 95% CI = 1.07-1.99). Conceptions in autumn and winter demonstrated even more pronounced protective effects, with the former showing a GDM risk reduction of 23% (OR = 0.77; 95% CI = 0.70-0.85) and 26% lower GH risk (OR = 0.74; 95% CI = 0.61-0.90), and the latter a 14% GDM risk reduction (OR = 0.86; 95% CI = 0.79-0.94) and 20% lower GH risk (OR = 0.80; 95% CI = 0.68-0.96).</p><p><strong>Conclusions: </strong>We found that conception in spring was associated with an increased risk of GDM, GH, and PROM, while conception in summer was linked to a higher risk of PPH. However, the preliminary nature of our findings suggests that further research is needed to confirm causality and assess the feasibility of any potential interventions.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04243"},"PeriodicalIF":4.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12400889/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144975217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Issiak Balarabé Mahamane, Adamou Issa Ali, Yatta Théodore Almoustapha, Ag Bendech Mohamed, Moursi Mourad, Ntandou Bouzitou Gervais, Aboubacar Mahamadou, Annan Reginald
{"title":"Nutrient intakes from a 24-hour recall survey among children aged 2-5 years, adolescent girls aged 10-18 years, and women aged 19-49 years in five regions of Niger.","authors":"Issiak Balarabé Mahamane, Adamou Issa Ali, Yatta Théodore Almoustapha, Ag Bendech Mohamed, Moursi Mourad, Ntandou Bouzitou Gervais, Aboubacar Mahamadou, Annan Reginald","doi":"10.7189/jogh.15.04247","DOIUrl":"10.7189/jogh.15.04247","url":null,"abstract":"<p><strong>Background: </strong>Conducting dietary intake surveys among vulnerable groups is essential for assessing interventions and informing decision-makers on progress in transforming food systems for supporting healthier diets. We aimed to describe the usual intakes of nutrients and their adequacy compared to estimated average requirements in three target groups; children aged 2-5 years, adolescent girls aged 10-18 years, and women aged 19-49 years in the regions of Dosso, Maradi, Tahoua, Tillabéri, and Zinder in Niger.</p><p><strong>Methods: </strong>We conducted the first quantitative food consumption survey in Niger. Specifically, we used 24-hour recalls to estimate foods consumed the previous day and carried out a repeat recall on 20% of the sample to model usual daily intakes using the National Cancer Institute method. We selected representative samples of each age group in the five administrative regions studied.</p><p><strong>Results: </strong>We included 1209 children aged 2-5 years, 1105 adolescent girls aged 10-18 years, and 1053 women aged 19-49 years. The median total energy intake was 1413 kcal (95% confidence interval (CI) = 1118, 1748) for children, 2227 kcal (95% CI = 1714, 2826) for adolescents, and 2552 kcal (95%CI = 1981, 3226) for women. The average proportion of energy from carbohydrates was above 69% for all target groups, while fat and protein accounted for just 20% and 10% in all groups, respectively. Animal protein accounted for only 11% of total protein intake in children, compared with 9.15% in adolescent girls and 9.78% in women. Usual calcium, vitamin B12, and vitamin A intakes were far below estimated average requirements, regardless of the target group or region.</p><p><strong>Conclusions: </strong>Considering the risk related to very high micronutrient deficiencies, particularly in calcium, vitamin A, and vitamin 12, urgent action needs to be taken in Niger through the accelerated implementation of the national roadmap on transforming local food systems for healthy diets.</p>","PeriodicalId":48734,"journal":{"name":"Journal of Global Health","volume":"15 ","pages":"04247"},"PeriodicalIF":4.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12400888/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144975334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}