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Nevin Manimala Statistics

Multimorbidity patterns and function among adults in low- and middle-income countries: a scoping review protocol

Syst Rev. 2022 Jul 7;11(1):139. doi: 10.1186/s13643-022-01996-3.

ABSTRACT

BACKGROUND: A fifth of adults in low- and middle-income countries (LMICs) have multimorbid conditions, which are linked to socio-economic deprivation and aging. Multimorbidity is associated with high rates of functional problems and disability, increased healthcare utilization, and lower quality of life. Literature on multimorbidity and associations with function is mostly from high-income countries (HICs) and focused among older adults. Moreover, data regarding disease patterns and their impact on person-centered outcomes are limited. There is a need for research into understanding common patterns of multimorbidity, and their association with functional impairments, particularly in LMICs. Such information may contribute towards evidence-based and context-relevant strategic policy, planning, and delivery models for health and rehabilitation services, which is imperative in attaining Universal Health Coverage (UHC). The planned scoping review aims to provide an overview of the scope and nature of existing literature on multimorbidity patterns and function among adults in LMICs.

METHODS: A scoping review will be conducted using a five-step framework and reported according to the PRISMA-ScR guidelines. A comprehensive electronic search of PubMed/MEDLINE, Scopus, EBSCOhost, Scielo, Cochrane and Google Scholar will be conducted and updated from the last pilot search ran in September 2020. Studies of any design will be included if they are reported in English, published (between January 1976 and the last search date) in a peer-reviewed journal, and describe multimorbidity patterns and associations with physical functional impairments, activity limitations or participation restrictions among adults in LMICs. Search results will be independently screened by two reviewers and data extraction will cover study characteristics, participants’ characteristics, multimorbidity measures, patterns analysis, and functional measures. Descriptive statistics and narrative synthesis will be used to synthesize and summarize findings.

DISCUSSION: Patients with multimorbidity have unique and cross-cutting needs, hence the need for integrated and person-centered approaches to policy, planning, and delivery of medical and rehabilitation services. Considering the shift towards UHC and primary healthcare-led management of chronic diseases, the proposed scoping review is timely. Findings will provide insights into the current extent and scope of multimorbidity research, and guide future inquiry in the field.

TRIAL REGISTRATION: Open Science Framework (OSF), https://osf.io/gcy7z/.

PMID:35799277 | DOI:10.1186/s13643-022-01996-3

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Nevin Manimala Statistics

Sex differences in cardiac remodeling post myocardial infarction with acute cigarette smoking

Biol Sex Differ. 2022 Jul 7;13(1):36. doi: 10.1186/s13293-022-00446-y.

ABSTRACT

BACKGROUND: Whether cigarette smoking affects the heart post-myocardial infarction (MI) in a sex-dependent way remains controversial. Using a mouse model, we investigated cardiac remodeling under the influence of acute cigarette smoke (CS) exposure following ischemic injury in both sexes.

METHODS: Ten cigarettes were smoked twice daily for 2 weeks followed by MI and then 1 additional week post permanent LAD ligation. Cardiac function, histology, and infarct size were assessed, and inflammatory markers quantified by RT-PCR. Statistical comparisons were performed using an unpaired t test or ANOVA followed by Tukey post hoc test.

RESULTS: We observed that cigarette smoking exacerbated both left and right ventricular remodeling only in males at an early stage of post-MI. Females did not display a significant structural and/or functional alteration within 7 days of cardiac remodeling post-MI upon CS exposure. Worsened right ventricular remodeling in males was independent of pulmonary congestion. CS-exposed males exhibited enhanced increases in left ventricular end systolic and diastolic volumes, as well as reductions in ejection fraction and fractional area changes of left ventricular base. At day 7, infarct size was increased by cigarette smoking in males only, which was accompanied by enhanced collagen deposition in both the infarcted and peri-infarcted areas. Both IL-6 and TNF-α mRNA expression significantly increased in CS-exposed MI male group only at day 7 post-MI suggestive of prolonged inflammation.

CONCLUSIONS: These findings indicate that CS exposure worsens the progression of cardiac remodeling post-MI in male sex in a significant manner compared to female sex at least at early stages.

PMID:35799275 | DOI:10.1186/s13293-022-00446-y

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Nevin Manimala Statistics

Relative contributions of six lifestyle- and health-related exposures to epigenetic aging: the Coronary Artery Risk Development in Young Adults (CARDIA) Study

Clin Epigenetics. 2022 Jul 7;14(1):85. doi: 10.1186/s13148-022-01304-9.

ABSTRACT

BACKGROUND: DNA methylation-based GrimAge acceleration (GrimAA) is associated with a wide range of age-related health outcomes including cardiovascular disease. Since DNA methylation is modifiable by external and behavioral exposures, it is important to identify which of these exposures may have the strongest contributions to differences in GrimAA, to help guide potential intervention strategies. Here, we assessed the relative contributions of lifestyle- and health-related components, as well as their collective association, to GrimAA.

RESULTS: We included 744 participants (391 men and 353 women) from the Coronary Artery Risk Development in Young Adults (CARDIA) study with blood DNA methylation information at CARDIA Exam Year (Y) 20 (2005-2006, mean age 45.9 years). Six cumulative exposures by Y20 were included in the analysis: total packs of cigarettes, total alcohol consumption, education years, healthy diet score, sleep hours, and physical activity. We used quantile-based g-computation (QGC) and Bayesian kernel machine regression (BKMR) methods to assess the relative contribution of each exposure to a single overall association with GrimAA. We also assessed the collective association of the six components combined with GrimAA. Smoking showed the greatest positive contribution to GrimAA, accounting for 83.5% of overall positive associations of the six exposures with GrimAA (QGC weight = 0.835). The posterior inclusion probability (PIP) of smoking also achieved the highest score of 1.0 from BKMR analysis. Healthy diet and education years showed inverse contributions to GrimAA. We observed a U-shaped pattern in the contribution of alcohol consumption to GrimAA. While smoking was the greatest contributor across sex and race subgroups, the relative contributions of other components varied by subgroups.

CONCLUSIONS: Smoking, alcohol consumption, and education showed the highest contributions to GrimAA in our study. Higher amounts of smoking and alcohol consumption were likely to contribute to greater GrimAA, whereas achieved education was likely to contribute to lower GrimAA. Identifying pertinent lifestyle- and health-related exposures in a context of collective components can provide direction for intervention strategies and suggests which components should be the primary focus for promoting younger GrimAA.

PMID:35799271 | DOI:10.1186/s13148-022-01304-9

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Nevin Manimala Statistics

Correction: Assessing the impact of a novel house design on the incidence of malaria in children in rural Africa: study protocol for a household-cluster randomized controlled superiority trial

Trials. 2022 Jul 7;23(1):550. doi: 10.1186/s13063-022-06501-8.

NO ABSTRACT

PMID:35799266 | DOI:10.1186/s13063-022-06501-8

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Nevin Manimala Statistics

Intervention effects on children’s movement behaviour accumulation as a result of the Transform-Us! school- and home-based cluster randomised controlled trial

Int J Behav Nutr Phys Act. 2022 Jul 7;19(1):76. doi: 10.1186/s12966-022-01314-z.

ABSTRACT

BACKGROUND: It is unknown if and how children’s movement behaviour accumulation patterns change as a result of physical activity and/or sedentary behaviour interventions. It is important to establish the effectiveness of interventions targeting changes in such accumulation patterns. This study aimed to investigate the effect of the Transform-Us! school- and home-based intervention program on children’s movement behaviour accumulation patterns, focusing on sporadic accumulation versus time in bouts.

METHODS: Baseline and post-intervention (18 months) accelerometer data from the Transform-Us! 2 × 2 factorial design cluster randomised controlled trial was used (Melbourne, 2010-2012; analytical sample n = 267; aged 8-9 years). Linear mixed models were fitted to examine effects of three different interventions (targeting increases in physical activity [PA-I], reductions in sedentary time [SB-I], or both [PA + SB-I]) compared to a usual practice (control) group on post-intervention movement behaviour accumulation compositions with eight components, including sporadic time and bouts of sedentary time, and light-, moderate- and vigorous-intensity physical activity.

RESULTS: Intervention effects on distribution of time in the post-intervention waking movement behaviour accumulation composition (adjusted for baseline composition) were small and not significant. However, visual inspection of the change in compositions over time revealed that only groups with a sedentary behaviour intervention component (SB-I and PA + SB-I) reduced time in sedentary bouts, compared to the overall sample compositional mean. In addition, the SB-I group was the only group with an increase in vigorous-intensity physical activity. The combined intervention group (PA + SB-I) was characterized by the largest proportional increase in MPA bouts. The usual practice group was characterized by the largest proportional increases in both sporadic and bouts of sedentary time.

CONCLUSIONS: This study showed some early evidence to suggest that the “break up your sitting” message may result in greater impact than the “move more” message. Future research, including larger sample sizes, should investigate if this type of messaging is indeed more effective in changing movement behaviours and ultimately child health.

TRIAL REGISTRATION: International Standard Randomized Controlled Trial Number ISRCTN83725066 ; Australian New Zealand Clinical Trials Registry Number ACTRN12609000715279 .

PMID:35799258 | DOI:10.1186/s12966-022-01314-z

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Nevin Manimala Statistics

Work-related injuries among 5 – 17 years-old working children in Egypt: findings from a national child labor survey

BMC Public Health. 2022 Jul 7;22(1):1303. doi: 10.1186/s12889-022-13689-6.

ABSTRACT

BACKGROUND: Egypt has agreed and ratified international regulations that strict child labor. However, the country still struggles with high prevalence of child labor and the associated negative social and health effects. The objective of this study was to identify the prevalence and determinants of work-related injuries among working children in Egypt.

METHODS: This study involved a secondary data analysis of the National Child Labor Survey (NCLS) conducted in 2010 by The Central Agency for Public Mobilization and Statistics (CAPMAS) in Egypt with technical and financial support from the ILO’s International Program on the Elimination of Child Labor (IPEC) through its Statistical Information and Monitoring Program on Child Labor (SIMPOC). The total number of working children who responded to questions of work-related injuries in the NCLS child questionnaire was 7485 children.

RESULTS: The prevalence of work-related injuries among working children in Egypt was estimated as 24.1% (95% CI: 22.0%-26.2%), of whom the majority were superficial wounds (87.3%). Among children who reported work-related injuries, 57.9% did not stop work or schooling because of the most serious injury, while 39.6% had stopped temporarily and 2.6% had stopped completely. The main determinants of work-related injuries among working children in the study sample were gender (boys), age of starting work (5-11 years), type of main economic activity (industry and services), type of main workplace (plantation, farms, or garden), the average work hours per week (28 h or more), and exposure to ergonomic and safety, and chemical hazards at work.

CONCLUSIONS: The estimated high prevalence of work-related injuries among working children aged 5-17 years in Egypt raises the health risks concerns associated with child labor. Findings of this study on the determinants of work-related injuries could guide policies and interventions to combat child labor and the associated health risks, including work-related injuries.

PMID:35799255 | DOI:10.1186/s12889-022-13689-6

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Nevin Manimala Statistics

The study of bone mineral density measured by quantitative computed tomography in middle-aged and elderly men with abnormal glucose metabolism

BMC Endocr Disord. 2022 Jul 7;22(1):172. doi: 10.1186/s12902-022-01076-6.

ABSTRACT

BACKGROUND: To investigate the value of quantitative computed tomography (QCT) measurement of bone mineral density (BMD) in middle-aged and elderly men with abnormal blood glucose.

METHODS: Total 138 men aged above 50 years old with routine physical examination were involved in the study. All participants were evaluated with serological index, BMD by QCT and dual energy X-ray absorptiometry (DXA). Statistical analysis was conducted by χ2 test and regression model.

RESULTS: All individuals were divided into normal blood glucose (NBG) group and abnormal blood glucose (ABG) group. Compared with NBG group, BMD detected by QCT was obviously lower in ABG group (P < 0.05). More cases with low bone mass or osteoporosis were detected by QCT measurement than DXA (χ2 = 56.618, P = 0.000), which were consistent in both NBG and ABG groups (χ2 was 33.564 and 23.250, P = 0.000). No significant difference of detection rates was found in both subgroups neither by QCT nor DXA measurement (χ2 = 4.204, P = 0.122). Regression analysis revealed that ABG was negatively associated with BMD assessed by QCT (β = -0.217, P < 0.05), which did not show statistical difference after adjusting for age.

CONCLUSION: In middle-aged and elderly male patients with NBG or ABG, QCT manifests higher detection rates of low bone mass and osteoporosis than DXA. ABG is negatively correlated with BMD measured by QCT, which is affected by age.

PMID:35799254 | DOI:10.1186/s12902-022-01076-6

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Nevin Manimala Statistics

Empowerment training to support service user involvement in mental health system strengthening in rural Ethiopia: a mixed-methods pilot study

BMC Health Serv Res. 2022 Jul 8;22(1):880. doi: 10.1186/s12913-022-08290-x.

ABSTRACT

BACKGROUND: Increased service user involvement is recommended to improve weak mental health systems in low-and middle-income countries (LMICs). However, involvement is rarely implemented and interventions to support involvement are sparse. In this study we evaluated the acceptability, feasibility and perceived outcomes of an empowerment and training program for service users and health professionals to facilitate service user involvement in mental health system strengthening in rural Ethiopia.

METHODS: REducing Stigma among HealthcAreProvidErs (RESHAPE) is a training curriculum for service users, their caregivers and aspirational health workers, which uses PhotoVoice methodology, to prepare them in participation of mental health systems strengthening in LMICs. We delivered the RESHAPE training augmented with empowerment content developed in Ethiopia. The interactive face-to-face training was delivered to service users and caregivers (over 10 days), and health professionals (1 day) separately. The study was an uncontrolled, convergent mixed-methods design. The quantitative data consisted of process data, satisfaction questionnaire, and a retrospective pre-test survey. Qualitative data included exit and follow-up in-depth interviews with the service users. Descriptive statistics were performed for quantitative data, and qualitative data were thematically analysed. The findings were integrated through triangulation for convergent themes following analysis.

RESULTS: Twelve service users, 12 caregivers and 18 health professionals were enrolled, and completed the training. Participants valued the content and delivery process; the standard of the training program met their expectations and participation led to positive gains in understanding about mental illness, stigma, service-user involvement and human rights. The qualitative findings identified positive impacts, including increased self-confidence, sense of empowerment, social – and perceived therapeutic benefits.

CONCLUSIONS: We found that the RESHAPE training with added content for Ethiopia, delivered using the PhotoVoice methodology, is feasible, acceptable and of value to develop and implement training programmes which can empower service users to be involved in mental health system strengthening in this setting. Further study to assess the impact on health systems strengthening is warranted.

PMID:35799252 | DOI:10.1186/s12913-022-08290-x

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Nevin Manimala Statistics

Seasonal differences in breastfeeding in the United States: a secondary analysis of longitudinal survey data

Int Breastfeed J. 2022 Jul 7;17(1):51. doi: 10.1186/s13006-022-00479-4.

ABSTRACT

BACKGROUND: Both the consumption of breastmilk in infancy and a person’s season of birth influences his or her health, educational, professional, and behavioral outcomes. Further, season of birth effects differ by sex. However, current research, for the most part, neglects to examine if season of birth and breastfeeding are related. This paper examines the impact of sex-based variations in season of birth on breastfeeding likelihood and duration in the U.S.

METHODS: Using data from children born to female respondents of the National Longitudinal Survey of Youth 1979 (born between 1970 and 2012), this study examines with Probit, Negative Binomial, and Ordinary Least Squares (OLS) regressions if a child’s season of birth and sex are correlated with breastfeeding incidence and duration. The breastfeeding incidence and duration data are self-reported by the mother.

RESULTS: Season of birth has a small but statistically significant impact on the incidence and duration of breastfeeding, which varies depending on the sex of the infant. Mothers giving birth to sons in the spring are 13.5% less likely to breastfeed than those giving birth to sons in the winter (with a p – value of 0.0269). Mothers with daughters born in the summer or fall (autumn) breastfeed slightly longer than mothers with daughters born in the spring. On average, mothers of summer-born daughters breastfeed 4.1% longer (with a 95% confidence interval of 0.3 – 7.8) and those with fall-born daughters 3.8% longer (with a 95% confidence interval of 0 – 7.5). Mothers giving birth to daughters in the spring are also significantly less likely to reach the breastfeeding six-week duration target (compared to fall and winter births) and the one-year duration target (compared to fall births).

CONCLUSIONS: These findings suggest that the costs and benefits of breastfeeding an infant vary with the season of birth and the sex of the child. This finding could explain some of the season of birth effects previously identified in the literature. Further, policymakers seeking to increase breastfeeding rates should consider the reduced breastfeeding rates and durations for children born in the spring.

PMID:35799249 | DOI:10.1186/s13006-022-00479-4

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Nevin Manimala Statistics

BitterMatch: recommendation systems for matching molecules with bitter taste receptors

J Cheminform. 2022 Jul 7;14(1):45. doi: 10.1186/s13321-022-00612-9.

ABSTRACT

Bitterness is an aversive cue elicited by thousands of chemically diverse compounds. Bitter taste may prevent consumption of foods and jeopardize drug compliance. The G protein-coupled receptors for bitter taste, TAS2Rs, have species-dependent number of subtypes and varying expression levels in extraoral tissues. Molecular recognition by TAS2R subtypes is physiologically important, and presents a challenging case study for ligand-receptor matchmaking. Inspired by hybrid recommendation systems, we developed a new set of similarity features, and created the BitterMatch algorithm that predicts associations of ligands to receptors with ~ 80% precision at ~ 50% recall. Associations for several compounds were tested in-vitro, resulting in 80% precision and 42% recall. The encouraging performance was achieved by including receptor properties and integrating experimentally determined ligand-receptor associations with chemical ligand-to-ligand similarities.BitterMatch can predict off-targets for bitter drugs, identify novel ligands and guide flavor design. The novel features capture information regarding the molecules and their receptors, which could inform various chemoinformatic tasks. Inclusion of neighbor-informed similarities improves as experimental data mounts, and provides a generalizable framework for molecule-biotarget matching.

PMID:35799226 | DOI:10.1186/s13321-022-00612-9