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Ohm E, Madsen C, Gravseth HM, Brage S, Grøholt EK, Alver K, Holvik K. Post-injury long-term sickness absence and risk of disability pension: The role of socioeconomic status. Injury 2024; 55:111480. [PMID: 38452702 DOI: 10.1016/j.injury.2024.111480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/02/2024] [Accepted: 02/25/2024] [Indexed: 03/09/2024]
Abstract
INTRODUCTION Previous research has identified low socioeconomic status (SES) as a risk factor for long-term sickness absence (LTSA) and disability pension (DP) following trauma. However, most studies lack information on medical diagnoses, limiting our understanding of the underlying factors. To address this gap, we retrieved information about diagnostic causes for receipt of welfare benefits to explore the role of SES in the transition from post-injury LTSA to permanent DP among the working population in Norway. MATERIALS AND METHODS We conducted a population-based cohort study of all Norwegian residents aged 25-59 years registered with a spell of LTSA due to injury commencing in the period 2000-2003. This cohort was followed through 2014 by linking information on receipt of welfare benefits with sociodemographic data from administrative registers. SES was defined as a composite measure of educational attainment and income level. We used flexible parametric survival models to estimate hazard ratios (HR) with 95 % confidence intervals (CI) for all-cause and diagnosis-specific DP according to SES, adjusting for sex, age, marital status, immigrant status and healthcare region of residence. RESULTS Of 53,937 adults with post-injury LTSA, 9,665 (18 %) transferred to DP during follow-up. The crude risk of DP was highest for LTSA spells due to poisoning and head injuries. Overall, individuals in the lowest SES category had twice the risk of DP compared to those in the highest SES category (HR = 2.25, 95 % CI 2.13-2.38). The difference by SES was greatest for LTSA due to poisoning and smallest for LTSA due to head injuries. A majority (75 %) of DP recipients had a non-injury diagnosis as the primary cause of DP. The socioeconomic gradient was more pronounced for non-injury causes of DP (HR = 2.47, 95 % CI 2.31-2.63) than for injury causes (HR = 1.73, 95 % CI 1.56-1.92) and was especially steep for DP due to musculoskeletal diseases and mental and behavioural disorders. CONCLUSIONS The relationship between SES and DP varied by both the type of injury that caused LTSA and the diagnosis used to grant DP, highlighting the importance of taking diagnostic information into account when investigating long-term consequences of injuries.
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Affiliation(s)
- Eyvind Ohm
- Department of Health and Inequality, Norwegian Institute of Public Health, PO Box 222 Skøyen 0213 Oslo, Norway.
| | - Christian Madsen
- Department of Disease Burden, Norwegian Institute of Public Health, Zander Kaaesgt. 7 5015 Bergen, Norway
| | - Hans Magne Gravseth
- Department of Occupational Health Surveillance, National Institute of Occupational Health, PO Box 5330 Majorstuen 0304 Oslo, Norway
| | - Søren Brage
- Retired medical doctor with a PhD in epidemiology/social medicine. Before retirement SB held a position in the Norwegian Labour and Welfare Administration, leading the unit responsible for medical coding of welfare benefits from 1998 to 2015
| | - Else Karin Grøholt
- Department of Health and Inequality, Norwegian Institute of Public Health, PO Box 222 Skøyen 0213 Oslo, Norway
| | - Kari Alver
- Department of Health and Inequality, Norwegian Institute of Public Health, PO Box 222 Skøyen 0213 Oslo, Norway
| | - Kristin Holvik
- Department of Physical Health and Ageing, Norwegian Institute of Public Health, PO Box 222 Skøyen 0213 Oslo, Norway
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Lopes Vieira MM, Borges VS, Oliveira EJP, Bof de Andrade F. Functional limitation in the older Brazilian adults: Association with multimorbidity and socioeconomic conditions. PLoS One 2023; 18:e0294935. [PMID: 38032910 PMCID: PMC10688755 DOI: 10.1371/journal.pone.0294935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 11/11/2023] [Indexed: 12/02/2023] Open
Abstract
The aim of this study was to assess the association between multimorbidity and the presence of functional limitation in basic (BADL) and instrumental activities of daily living (IADL) among Brazilian older adults and to verify whether this association is moderated by socioeconomic conditions. Cross-sectional study with data from the Brazilian National Health Survey (PNS) (2019) for the Brazilian population aged 60 years and over. The dependent variables were functional limitation, based on self-reported difficulty in performing one or more activities of daily living, including six BADL (feeding, bathing, using the toilet, dressing, crossing a room on the same floor and getting out of bed) and four IADL (shopping, managing money, taking medication and using transportation). The independent variables were multimorbidity (presence of two or more self-reported chronic diseases) and socioeconomic measures (per capita household income, asset score, and education level). The association between multimorbidity and outcomes was assessed using adjusted logistic regression models. The moderating effect of socioeconomic conditions on the association between multimorbidity and functional limitations was assessed by including an interaction term. The final sample consisted of 22,725 individuals. The prevalence of functional limitation was 8.5% (95%CI: 7.9-9.2) and 18.6% (95%CI: 17.8-19.5) in BADL and IADL, respectively. Multimorbidity was associated with BADL [OR: 2.30 (95%CI: 1.93-2.74)] and IADL [OR: 2.26 (95%CI: 1.98-2.57)]. The odds of functional limitation were higher among individuals with lower levels of education and income, but there was no interaction between multimorbidity and socioeconomic position measures. Multimorbidity was associated with functional limitation (BADL and IADL) and socioeconomic conditions, and this association was constant across socioeconomic position levels.
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Affiliation(s)
| | | | | | - Fabíola Bof de Andrade
- René Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), Belo Horizonte, Minas Gerais, Brasil
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Mkhwanazi TW, Modjadji P, Mokgalaboni K, Madiba S, Roomaney RA. Multimorbidity, Treatment, and Determinants among Chronic Patients Attending Primary Health Facilities in Tshwane, South Africa. Diseases 2023; 11:129. [PMID: 37873773 PMCID: PMC10594487 DOI: 10.3390/diseases11040129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 09/23/2023] [Accepted: 09/25/2023] [Indexed: 10/25/2023] Open
Abstract
The growing burden of non-communicable diseases amidst the largest burden of HIV in South Africa leads to disease combinations of multimorbidity with the complexity of care. We conducted a cross-sectional study to assess multimorbidity, medication adherence, and associated factors among out-patients with chronic diseases in primary health care (PHC) facilities in Tshwane, South Africa. A structured questionnaire was used to collect data on comorbidities and medication adherence, along with socio-demographic and lifestyle factors. Logistic regression models were used to analyse the determinants of multimorbidity and medication adherence. In all 400 patients with chronic diseases (mean age: 47 ± 12 years) living in poor environments, common chronic conditions were hypertension (62%), diabetes (45%), HIV (44%), TB (33%), hypercholesterolemia (18%), and gout (13%). The proportion of concordant comorbidity (i.e., diseases with similar risk profiles and management) was 72%, more than 28% of discordant comorbidity (i.e., diseases not related in pathogenesis or management). Most patients had two coexisting chronic conditions (75%), while few had more than two chronic conditions (23%) and single-occurring conditions (2%). Prevalence rates for common multimorbidity patterns were 25% (HIV and TB), 17% (hypertension and diabetes), 9% (hypertension, diabetes, and hypercholesterolemia), and 2% (hypertension diabetes and HIV), while medication adherence was estimated at 74%. In multivariate analysis, multimorbidity was associated with an older age and lower socio-economic status, while medication non-adherence was associated with a younger age and socio-economic factors. The study highlights the presence of multimorbidity among primary care patients attributed to hypertension, diabetes, HIV, and TB in South Africa with non-adherence to medication in one-third of patients. Policies are needed for education on multimorbidity with a need to optimize lifestyle modifications, perhaps proactive outreach or nursing contact with high-risk patients with public-health-sensitive conditions, such as HIV and/or TB, as well as patients with a history of non-adherence to medications. Considerations should be given to the development of a medication adherence scale for multiple chronic conditions beyond assessing adherence to a single index medication.
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Affiliation(s)
- Thandiwe Wendy Mkhwanazi
- Department of Public Health, School of Health Care Sciences, Sefako Makgatho Health Sciences University, 1 Molotlegi Street, Ga-Rankuwa, Pretoria 0208, South Africa
| | - Perpetua Modjadji
- Department of Public Health, School of Health Care Sciences, Sefako Makgatho Health Sciences University, 1 Molotlegi Street, Ga-Rankuwa, Pretoria 0208, South Africa
- Non-Communicable Diseases Research Unit, South African Medical Research Council, Tygerberg, Cape Town 7505, South Africa
| | - Kabelo Mokgalaboni
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Florida Campus, Roodepoort 1709, South Africa
| | - Sphiwe Madiba
- Faculty of Health Sciences, University of Limpopo, Polokwane 0700, South Africa
| | - Rifqah Abeeda Roomaney
- Burden of Disease Research Unit, South African Medical Research Council, Parowvallei, Tygerberg, Cape Town 7505, South Africa
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Liu L, Wu X, Li HF, Zhao Y, Li GH, Cui WL, Rabkin Golden A, Cai L. Trends in the Prevalence of Chronic Non-Communicable Diseases and Multimorbidity across Socioeconomic Gradients in Rural Southwest China. J Nutr Health Aging 2023; 27:457-462. [PMID: 37357330 DOI: 10.1007/s12603-023-1932-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 05/25/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVES This study aimed to determine the changing prevalence of five chronic non-communicable diseases (NCDs)- hypertension, coronary heart disease (CHD), stroke, chronic obstructive pulmonary disease (COPD), and asthma-- and its multimorbidity (refers to the co-existence of two or more chronic diseases in an individual) across socioeconomic spectra in rural southwest China. MEASUREMENTS Two cross-sectional health interviews and examination surveys were conducted among individuals aged ≥35 years in rural China. An individual socioeconomic position (SEP) index was constructed using principal component analysis. Anthropometric measurements, blood pressure, and post-bronchodilator spirometry tests were recorded for each participant. RESULTS The mean age and proportion of men was 56.1 years and 48.4% in 2011, while was 56.6 years and 49.4% in 2021. From 2011 to 2021, the overall prevalence of hypertension, stroke and COPD increased from 26.1%, 1.1%, and 8.7% to 40.4%, 2.4%, and 12.8%, respectively (P < 0.01), while prevalence of CHD (2.1% vs. 2.2%) and asthma (1.4% vs. 1.5%) did not differ between the two study years (P > 0.05). The prevalence of NCDs multimorbidity increased from 2.3% to 9.7%, and was also observed among subgroups categorized by sex, age, ethnicity, level of education, income, and SEP (P < 0.01). In addition, the relative increases in the prevalence of multimorbidity were greater among men, old individuals, ethnic minorities, and those with low level of education and low SEP. Both in 2011 and 2021, ethnic minorities and individuals with lower level of education and low SEP had a higher prevalence of multimorbidity of the five studied chronic NCDs than their counterparts (P <0.01). CONCLUSIONS The prevalence of NCDs multimorbidity increased substantially across all socioeconomic gradients in rural southwest China. Future interventions to further manage NCDs and their multimorbidity must be tailored to address socioeconomic factors.
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Affiliation(s)
- L Liu
- Le CAI, PhD, School of Public Health, Kunming Medical University, 1168 Yu Hua Street Chun Rong Road, Cheng Gong New City, Kunming 650500, China,
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Geyer S, Eberhard S. Compression and Expansion of Morbidity. DEUTSCHES ARZTEBLATT INTERNATIONAL 2022; 119:810-815. [PMID: 36300897 PMCID: PMC9906028 DOI: 10.3238/arztebl.m2022.0324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 03/06/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND Morbidity is said to be compressed when the interval from the onset of a disease or disability to death becomes shorter over time, or when the incidence of the disease or disability declines over time. In the reverse situation, morbidity is said to be expanded. METHODS This review is based on national and international studies retrieved by a selective literature search on secular trends in morbidity and mortality. The findings were derived from data from surveys and registries, and from the routine data of health insurance carriers. RESULTS Three different types of secular trends in morbidity were seen. For some diseases (e.g., lung cancer, stroke, and dementia), morbidity among the elderly was compressed over time. On the other hand, for multimorbidity and type 2 diabetes including comorbidities, morbidity expanded over time. Unexpectedly, a double development was seen in certain other conditions, with both compression among the elderly and expansion among the middle-aged: this was particularly so for myo - cardial infarction, grip strength, and indicators of general health. CONCLUSION The notion of morbidity being reduced by compression seems less tenable in view of the double development just mentioned. The findings suggest that the observed secular trend toward better health among the elderly has not persisted among the more recently born cohorts. This can have negative effects on social security systems, particularly with respect to retirement ages being deferred or made more flexible, as well as the cost of health care.
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Affiliation(s)
- Siegfried Geyer
- Medical Sociology Unit, Hannover Medical School, Hannover,*Medizinische Soziologie Medizinische Hochschule Hannover Carl-Neuberg-Str. 1, 30625 Hannover, Germany
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Chauhan S, Patel R, Kumar S. Prevalence, factors and inequalities in chronic disease multimorbidity among older adults in India: analysis of cross-sectional data from the nationally representative Longitudinal Aging Study in India (LASI). BMJ Open 2022; 12:e053953. [PMID: 35351706 PMCID: PMC8961109 DOI: 10.1136/bmjopen-2021-053953] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE This study examines the prevalence, patterns and factors of chronic disease-related multimorbidity. Also, this study examines the inequality in the prevalence of multimorbidity among older adults in India. DESIGN Cross-sectional study; large nationally representative survey data. SETTING AND PARTICIPANTS We have used the first wave of a Longitudinal Ageing Study in India conducted in 2017-2018 across all the 35 states (excluded Sikkim) and union territories in India. This study used information from 31 373 older people aged 60+years in India. PRIMARY AND SECONDARY OUTCOME MEASURES The outcome variable for this study is multimorbidity. The study used multinomial logistic regression to examine the risk factors for multimorbidity among older adults. To measure the inequality in multimorbidity, the slope of index inequality and relative index of inequality have been used to understand the ranked-based inequality. RESULTS Almost one-fourth (24.1%) reported multimorbidity. The relative risk ratio (RRR) of multimorbidity (RRR=2.12; 95% CI=1.49 to 3.04) was higher among higher educated older adults than uneducated older adults. Furthermore, the RRR of multimorbidity (RRR=2.35; 95% CI=2.02 to 2.74) was higher among urban older adults than their rural counterparts. Older adults in the richest wealth quintile were more likely to report multimorbidities (RRR=2.86; 95% CI=2.29 to 3.55) than the poorest older adults. Good self-rated health and no activities of daily living disability were associated with a lower risk of multimorbidities. CONCLUSIONS This study contributes to the comprehensive knowledge of the prevalence, factors and inequality of the chronic disease-related multimorbidity among older adults in India. Considering India's ageing population and high prevalence of multimorbidity, the older adults must be preferred in disease prevention and health programmes, however, without compromising other subpopulations in the country. There is a need to develop geriatric healthcare services in India. Additionally, there is a need to disseminate awareness and management of multimorbidity among urban and highly educated older adults.
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Affiliation(s)
- Shekhar Chauhan
- International Institute for Population Sciences, Mumbai, Maharashtra, India
| | - Ratna Patel
- International Institute for Population Sciences, Mumbai, Maharashtra, India
| | - Shubham Kumar
- International Institute for Population Sciences, Mumbai, Maharashtra, India
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Kreft D, Doblhammer G. Sex and Gender Differences in Environmental Influences on Dementia Incidence in Germany, 2014-2019: An Observational Cohort Study Based on Health Claims Data. J Alzheimers Dis 2022; 87:223-237. [PMID: 35275528 PMCID: PMC9198799 DOI: 10.3233/jad-215030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND There is an ongoing debate about whether environmental characteristics influence dementia risk like individual traits do, and whether these differ by sex and gender. OBJECTIVE This study examines the influence of regional characteristics on the incidence of dementia and explores sex and gender differences using individual-level health information and regional characteristics. METHODS Using a random sample of 250,000 people aged 70 + insured through Germany's largest German public health agency, we analyzed quarterly data about diagnoses and place of residence from 2014 to 2019. Using five-digit postal codes, we added data on various dimensions of regional characteristics offered by the INKAR database and the 2011 Census database. We used multilevel survival regressions to tease out regional incidence differences while accounting for spatial clustering. RESULTS After adjusting for multi-morbidity and relocation-related selection bias, we saw that people living in regions with the highest tertile of income (HR = 0.87, p < 0.001), and who had the highest tertile of remaining life expectancy at age 60 (HR = 0.93, p = 0.012) had lower dementia risks. There was no gender difference in the regional income effect, but the effect of education (HR = 0.91, p = 0.015) was significant only for men and remaining life-expectancy was significant only for women (HR = 0.93, p = 0.026). CONCLUSION Environmental characteristics related to wealth and health resources of a region influence the risk of dementia among the elderly in Germany. This effect is independent of the health profiles of the individuals and differs between the two genders. Health policies need to acknowledge these modifiable risk factors and consider how they affect men and women differently.
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Affiliation(s)
- Daniel Kreft
- Institute for Sociology and Demography, University of Rostock, Rostock, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Gabriele Doblhammer
- Institute for Sociology and Demography, University of Rostock, Rostock, Germany.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
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Barbek RME, Makowski AC, von dem Knesebeck O. Social inequalities in health anxiety: A systematic review and meta-analysis. J Psychosom Res 2022; 153:110706. [PMID: 34954602 DOI: 10.1016/j.jpsychores.2021.110706] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 01/20/2023]
Abstract
OBJECTIVE The association between a low socioeconomic status and poor health, also known as social inequalities in health, has been shown in numerous studies. This also applies to most mental illnesses, such as somatization or anxiety disorders. It is unclear, however, whether social inequalities are evident in health anxiety as well. Therefore, this review and meta-analysis systematically examines social inequalities in health anxiety. METHODS A systematic literature search was conducted covering all studies published until August 2021. The databases PubMED, Web of Science, PsycINFO, and PSYNDEX were screened to identify quantitative studies using validated tools to measure health anxiety and examining the association with socioeconomic status. Meta-analytic methods were applied by using random-effect models. The study quality was assessed with the Effective Public Health Practice Project Quality Assessment Tool. RESULTS Overall, 37 studies were eligible for meta-analysis. Effect sizes of 27 studies using screening scales and 10 studies using diagnostic interviews to measure health anxiety were calculated separately. Meta-analyses revealed a significant association between socioeconomic status and health anxiety (r - 0.14, 95%-CI -0.18 to -0.09 (screening scales) and OR 0.63, 95%-CI 0.43 to 0.92 (diagnostic interviews)), indicating a lower risk for health anxiety in people with higher socioeconomic status. CONCLUSION Findings suggest that the health-related disadvantage of socially deprived people is also evident regarding health anxiety. This should be considered in programs to reduce social inequalities in health. PROSPERO registration number CRD42021237550.
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Affiliation(s)
- Rieke M E Barbek
- University Medical Center Hamburg-Eppendorf, Institute of Medical Sociology, Martinistraße 52, 20246 Hamburg, Germany.
| | - Anna Christin Makowski
- University Medical Center Hamburg-Eppendorf, Institute of Medical Sociology, Martinistraße 52, 20246 Hamburg, Germany.
| | - Olaf von dem Knesebeck
- University Medical Center Hamburg-Eppendorf, Institute of Medical Sociology, Martinistraße 52, 20246 Hamburg, Germany.
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Lai FTT, Wong ELY, Tam ZPY, Cheung AWL, Lau MC, Wu CM, Wong R, Ma HM, Yip BHK, Yeoh EK. Association of volunteer-administered home care with reduced emergency room visits and hospitalization among older adults with chronic conditions: a propensity-score-matched cohort study. Int J Nurs Stud 2021; 127:104158. [DOI: 10.1016/j.ijnurstu.2021.104158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 09/17/2021] [Accepted: 12/10/2021] [Indexed: 11/15/2022]
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Hossain B, Govil D, Sk MIK. Persistence of Multimorbidity Among Women Aged 15-49 Years in India: An Analysis of Prevalence, Patterns and Correlation. Int J Public Health 2021; 66:601591. [PMID: 34744567 PMCID: PMC8565281 DOI: 10.3389/ijph.2021.601591] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 02/02/2021] [Indexed: 02/01/2023] Open
Abstract
Objectives: The present study has examined the patterns and possible correlates of coexisting morbidities among women aged 15–49 years based on biomarker measurement data at the national level in India. Methods: National Family Health Survey conducted during 2015–16 used in the present study. Simple disease count approach was used to calculate the multimorbidity among women. Multinomial logistic regression was applied to analyze the predictors of multimorbidity among women. Results: Almost 30% of the women had any of the selected morbidity and 9% of them had two or more morbidities. Hypertension and overweight combination (3%) was the most prevalent among women. The risk of having two or more morbidities was predominantly high among women aged above 30 years, low educated women, women from the wealthier group, ever-married women and women who were consuming tobacco as compared to their counterparts. Conclusions: From the policy perspective, the identification of groups of women vulnerable to multimorbidity will help in the selection of programmatic focus and preventive public health intervention in adult phase to reduce the multimorbidity burden among women in old ages.
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Affiliation(s)
- Babul Hossain
- International Institute for Population Sciences, Mumbai, India
| | - Dipti Govil
- International Institute for Population Sciences, Mumbai, India
| | - Md Illias K Sk
- International Institute for Population Sciences, Mumbai, India
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Epping J, Geyer S, Eberhard S, Tetzlaff J. [Completely Different or Quite Similar? The Sociodemographic Structure of the AOK Lower Saxony in Comparison to the General and Working Population in Lower Saxony and the Federal Republic of Germany]. DAS GESUNDHEITSWESEN 2021; 83:S77-S86. [PMID: 34695865 DOI: 10.1055/a-1553-3565] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
ZIEL DER STUDIE Routinedaten von Krankenkassen sind als Datenquelle mittlerweile gut etabliert. Hinsichtlich der Verallgemeinerbarkeit der Ergebnisse bei Analysen mit Daten einer Krankenkasse treten Fragen der Repräsentativität der Versichertenpopulation auf, insbesondere da nicht alle Studien auf soziodemografische Merkmale adjustieren. Diese Arbeit untersucht mittels deskriptiver Analyse, ob und inwieweit sich die Sozialstruktur der Versichertenpopulation der AOK Niedersachsen von der Sozialstruktur der Allgemeinbevölkerung und der sozialversicherungspflichtig Beschäftigten in Niedersachsen (NDS) und in der Bundesrepublik (BRD) unterscheiden. METHODIK Die Datengrundlage bilden pseudonymisierte Daten der AOK NDS, die Beschäftigtenstatistik der Bundesagentur für Arbeit und der Bevölkerungsstand in NDS und der BRD. Die Versichertenpopulation wird an zwei Stichtagen 31.12.2012 und 31.12.2017 hinsichtlich der Geschlechter-und Altersstruktur mit der Bevölkerung in NDS und der BRD verglichen. Anschließend werden die Daten der sozialversicherungspflichtig Beschäftigten in der AOK NDS und aus der Beschäftigtenstatistik der Bundesagentur für Arbeit gegenübergestellt, um Ausbildungsabschlüsse, Komplexität der ausgeübten Tätigkeit und elf Berufsbereiche zu vergleichen. ERGEBNISSE Die Geschlechterstruktur unterscheidet sich nicht zwischen den drei Vergleichspopulationen. Verglichen mit der Bevölkerung in NDS und der BRD ist der Anteil der unter 30-Jährigen in der AOK NDS überdurchschnittlich, der Anteil der Personen zwischen 50 und 76 Jahren etwas unterdurchschnittlich. Sozialversicherungspflichtig Beschäftigte mit Hochschulabschluss und in Tätigkeiten mit höherer Komplexität sind in der AOK NDS unterrepräsentiert. Die Verteilung der sozialversicherungspflichtig Beschäftigten auf elf Berufsbereiche unterscheidet sich ebenfalls. SCHLUSSFOLGERUNG Die Studie zeigt, dass soziodemographische und sozio-ökonomische Merkmale in Studien mit Krankenkassendaten wann immer möglich berücksichtigt werden sollten. In Zukunft wird das Informationssystem Versorgungsdaten krankenkassenübergreifende Analysen mit Sekundärdaten ermöglichen. Fragestellungen der gesundheitlichen Ungleichheit können damit jedoch aufgrund des Fehlens von sozio-ökonomischen Merkmalen nicht beantwortet werden. Auch die Identifikation von vulnerablen Gruppen, die gezielt geeigneten Maßnahmen zugeführt werden könnten, ist ohne Berücksichtigung von sozio-ökonomischen Merkmalen erschwert. AIM OF THE WORK Routine data from statutory health insurance funds are now a well-established source of data for scientific research. With regard to the generalizability of findings based on data from one health insurance fund, questions arise regarding the representativeness of the insured population, especially since not all studies adjust for socio-demographic characteristics. Our study examines whether and to what extent socio-demographic and occupational characteristics of the population insured with the AOK Lower Saxony differ from the total and working population of Lower Saxony and the Federal Republic of Germany. METHODS The analyses are based on pseudonymised data from the AOK, the employment statistics of the Federal Employment Agency (FEA) and population statistics. The insured population was compared with the population of Lower Saxony and Germany at two cut-off dates (31.12.2012 and 31.12.2017) with respect to the distributions of age and gender. Subsequently, data of employed insured persons were compared with FEA-data in order to compare educational level, complexity of the work and occupational areas. RESULTS The gender structure did not differ between the three populations. The proportion of insured women and men below 30 years of age was above the corresponding figures of Lower Saxony and Germany. Employed individuals holding a university degree or jobs with higher complexity were under-represented in the AOK. The distribution across eleven occupational areas in the AOK also differed from the reference populations. CONCLUSIONS The study shows that socio-demographic and socio-economic characteristics should be considered whenever possible in studies using statutory health insurance data. In future, the new database "Information System Health Care Data" will enable analyses across all statutory health insurance providers. However, research questions of health inequalities cannot be answered with this approach due to the lack of socio-economic characteristics in these data. Identifying vulnerable groups that could be targeted for appropriate interventions is also difficult without taking socio-economic characteristics into account.
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Affiliation(s)
- Jelena Epping
- Medizinische Soziologie , Medizinische Hochschule Hannover, Hannover, Deutschland
| | - Siegfried Geyer
- Medizinische Soziologie , Medizinische Hochschule Hannover, Hannover, Deutschland
| | - Sveja Eberhard
- Stabsbereich Politik, Forschung & Presse, Allgemeine Ortskrankenkasse Niedersachsen, Hannover, Deutschland
| | - Juliane Tetzlaff
- Medizinische Soziologie , Medizinische Hochschule Hannover, Hannover, Deutschland
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Simard M, Rahme E, Calfat AC, Sirois C. Multimorbidity measures from health administrative data using ICD system codes: A systematic review. Pharmacoepidemiol Drug Saf 2021; 31:1-12. [PMID: 34623723 DOI: 10.1002/pds.5368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/08/2021] [Accepted: 10/04/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND We aimed to identify and characterize adult population-based multimorbidity measures using health administrative data and the International Classification of Diseases (ICD) codes for disease identification. METHODS We performed a narrative systematic review of studies using or describing development or validation of multimorbidity measures. We compared the number of diseases included in the measures, the process of data extraction (case definition) and the validation process. We assessed the methodological robustness using eight criteria, five based on general criteria for indicators (AIRE instrument) and three multimorbidity-specific criteria. RESULTS Twenty-two multimorbidity measures were identified. The number of diseases they included ranged from 5 to 84 (median = 20), with 19 measures including both physical and mental conditions. Diseases were identified using ICD codes extracted from inpatient and outpatient data (18/22) and sometimes including drug claims (10/22). The validation process relied mainly on the capacity of the measures to predict health outcome (5/22), or on the validation of each individual disease against a gold standard (8/22). Six multimorbidity measures met at least six of the eight robustness criteria assessed. CONCLUSION There is significant heterogeneity among the measures used to assess multimorbidity in administrative databases, and about a third are of low to moderate quality. A more consensual approach to the number of diseases or groups of diseases included in multimorbidity measures may improve comparison between regions, and potentially provide better control for multimorbidity-related confounding in studies.
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Affiliation(s)
- Marc Simard
- Quebec National Institute of Public Health, Quebec City, Québec, Canada.,Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Québec, Canada
| | - Elham Rahme
- Department of Medicine, Division of Clinical Epidemiology, McGill University, Montreal, Québec, Canada
| | - Alexandre Campeau Calfat
- Department of Social and Preventive Medicine, Faculty of Medicine, Laval University, Quebec City, Québec, Canada
| | - Caroline Sirois
- Quebec National Institute of Public Health, Quebec City, Québec, Canada.,Faculty of Pharmacy, Laval University, Quebec City, Québec, Canada.,Centre of Excellence on Aging of Quebec, VITAM Research Centre on Sustainable Health, Quebec City, Québec, Canada
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Cicek M, Buckley J, Pearson-Stuttard J, Gregg EW. Characterizing Multimorbidity from Type 2 Diabetes: Insights from Clustering Approaches. Endocrinol Metab Clin North Am 2021; 50:531-558. [PMID: 34399960 PMCID: PMC8383848 DOI: 10.1016/j.ecl.2021.05.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Patients with type 2 diabetes mellitus (T2DM) often live with and develop multiple co-occurring conditions, namely multimorbidity, with diffuse impacts on clinical care and patient quality of life. However, literature characterizing T2DM-related multimorbidity patterns is limited. This review summarizes the findings from the emerging literature characterizing and quantifying the association of T2DM with multimorbidity clusters. The authors' findings reveal 3 dominant cluster types appearing in patients with T2DM-related multimorbidity, such as cardiometabolic precursor conditions, vascular conditions, and mental health conditions. The authors recommend that holistic patient care centers around early detection of other comorbidities and consideration of wider risk factors.
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Affiliation(s)
- Meryem Cicek
- Department of Primary Care and Public Health, School of Public Health, Imperial College London, Charing Cross Campus, Reynolds Building, St Dunstan's Road, London W6 8RP, UK.
| | - James Buckley
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK; MRC Centre for Environment and Health, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK
| | - Jonathan Pearson-Stuttard
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK; MRC Centre for Environment and Health, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK
| | - Edward W Gregg
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK; MRC Centre for Environment and Health, School of Public Health, Imperial College London, Medical School Building, St Mary's Campus, Norfolk Place, London W2 1PG, UK
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14
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Puri P, Kothavale A, Singh S, Pati S. Burden and determinants of multimorbidity among women in reproductive age group: a cross-sectional study based in India. Wellcome Open Res 2021; 5:275. [PMID: 34131591 PMCID: PMC8182697 DOI: 10.12688/wellcomeopenres.16398.2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/21/2021] [Indexed: 01/07/2023] Open
Abstract
Background: India's government is currently running several programs with a sole focus on women's health during their child-bearing years. However, none of these programs incorporate the management of chronic health conditions during the reproductive span. This issue is an emerging public health concern; therefore, the present study aims to identify the patterns and correlates of multimorbidity among women in reproductive age groups in India. Methods: The study utilizes nationally-representative cross-sectional data from the Demographic and Health Survey on 661,811 women in the reproductive age group of 15-49 years. The study uses information on seven chronic morbidities, namely asthma, cancers, heart disease, diabetes, tuberculosis, hypertension, and thyroid disorder. Descriptive, bivariate, and multivariable techniques were utilized to accomplish the study objective. Results: The findings show that 17.4 and 3.5 per 100 women of reproductive age suffered from any one morbidity and multimorbidity, respectively. Hypertension, diabetes, and thyroid disorders were commonly occurring morbidities. The prevalence of having any one morbidity or multimorbidity increased with age. Variables like religion, wealth, parity, menopause, consumption of tobacco and alcohol, body mass index, and type of diet were found to be significantly related to the burden of multimorbidity. The prevalence of multimorbidity was found to be higher for women who belong to the Southern, Eastern, and North-Eastern regions of India. Conclusions: Findings suggest the importance of multimorbidity in the context of women of reproductive age. Inclusion of chronic disease management strategies with maternal and child health services needs to be taken into consideration by the program and policymakers. The annexation of social marketing approaches at the primary level of healthcare would assist policy-makers in educating women about the importance of leading a healthy lifestyle. Practicing dietary diversity can help in maintaining optimal estrogen levels, which would further help in decreasing multimorbidity rates among women in India.
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Affiliation(s)
- Parul Puri
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - Ajinkya Kothavale
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - S.K. Singh
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - Sanghamitra Pati
- ICMR Regional Medical Research Centre, Indian Council of Medical Research, Department of Health Research, Bhubaneswar, Odisha, 751023, India
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15
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Chen YH, Karimi M, Rutten-van Mölken MPMH. The disease burden of multimorbidity and its interaction with educational level. PLoS One 2020; 15:e0243275. [PMID: 33270760 PMCID: PMC7714131 DOI: 10.1371/journal.pone.0243275] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 11/18/2020] [Indexed: 12/21/2022] Open
Abstract
Introduction Policies to adequately respond to the rise in multimorbidity have top-priority. To understand the actual burden of multimorbidity, this study aimed to: 1) estimate the trend in prevalence of multimorbidity in the Netherlands, 2) study the association between multimorbidity and physical and mental health outcomes and healthcare cost, and 3) investigate how the association between multimorbidity and health outcomes interacts with socio-economic status (SES). Methods Prevalence estimates were obtained from a nationally representative pharmacy database over 2007–2016. Impact on costs was estimated in a fixed effect regression model on claims data over 2009–2015. Data on physical and mental health and SES were obtained from the National Health Survey in 2017, in which the Katz-10 was used to measure limitations in activities of daily living (ADL) and the Mental Health Inventory (MHI) to measure mental health. SES was approximated by the level of education. Generalized linear models (2-part models for ADL) were used to analyze the health data. In all models an indicator variable for the presence or absence of multimorbidity was included or a categorical variable for the number of chronic conditions. Interactions terms of multimorbidity and educational level were added into the previously mentioned models. Results Over the past ten years, there was an increase of 1.6%-point in the percentage of people with multimorbidity. The percentage of people with three or more conditions increased with +2.1%-point. People with multimorbidity had considerably worse physical and mental health outcomes than people without multimorbidity. For the ADL, the impact of multimorbidity was three times greater in the lowest educational level than in the highest educational level. For the MHI, the impact of multimorbidity was two times greater in the lowest than in the highest educational level. Each additional chronic condition was associated with a greater worsening in health outcomes. Similarly, for costs, where there was no evidence of a diminishing impact of additional conditions either. In patients with multimorbidity total healthcare costs were on average €874 higher than in patients with a single morbidity. Conclusion The impact of multimorbidity on health and costs seems to be greater in the sicker and lower educated population.
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Affiliation(s)
- Yi Hsuan Chen
- Erasmus School of Health Policy and Management, Erasmus University Rotterdam, Rotterdam, The Netherlands
- * E-mail:
| | - Milad Karimi
- Erasmus School of Health Policy and Management, Erasmus University Rotterdam, Rotterdam, The Netherlands
| | - Maureen P. M. H. Rutten-van Mölken
- Erasmus School of Health Policy and Management, Erasmus University Rotterdam, Rotterdam, The Netherlands
- Institute for Medical Technology Assessment, Erasmus University Rotterdam, Rotterdam, The Netherlands
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Puri P, Kothavale A, Singh S, Pati S. Burden and determinants of multimorbidity among women in reproductive age group: a cross-sectional study based in India. Wellcome Open Res 2020; 5:275. [PMID: 34131591 PMCID: PMC8182697 DOI: 10.12688/wellcomeopenres.16398.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/05/2020] [Indexed: 08/23/2023] Open
Abstract
Background: India's government is currently running several programs with a sole focus on women's health during their child-bearing years. However, none of these programs incorporate the management of chronic health conditions during the reproductive span. This issue is an emerging public health concern; therefore, the present study aims to identify the patterns and correlates of multimorbidity among women in reproductive age groups in India. Methods: The study utilizes nationally-representative cross-sectional data from the Demographic and Health Survey on 661,811 women in the reproductive age group of 15-49 years. The study uses information on seven chronic morbidities, namely asthma, cancers, heart disease, diabetes, tuberculosis, hypertension, and thyroid disorder. Descriptive, bivariate, and multivariable techniques were utilized to accomplish the study objective. Results: The findings show that 17.4 and 3.5 per 100 women of reproductive age suffered from any one morbidity and multimorbidity, respectively. Hypertension, diabetes, and thyroid disorders were commonly occurring morbidities. The prevalence of having any one morbidity or multimorbidity increased with age. Variables like religion, wealth, parity, menopause, consumption of tobacco and alcohol, body mass index, and type of diet were found to be significantly related to the burden of multimorbidity. The prevalence of multimorbidity was found to be higher for women who belong to the Southern, Eastern, and North-Eastern regions of India. Conclusions: Findings suggest the importance of multimorbidity in the context of women of reproductive age. Inclusion of chronic disease management strategies with maternal and child health services needs to be taken into consideration by the program and policymakers. The annexation of social marketing approaches at the primary level of healthcare would assist policy-makers in educating women about the importance of leading a healthy lifestyle. Practicing dietary diversity can help in maintaining optimal estrogen levels, which would further help in decreasing multimorbidity rates among women in India.
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Affiliation(s)
- Parul Puri
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - Ajinkya Kothavale
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - S.K. Singh
- International Institute for Population Sciences, Govandi Station Road, Deonar, Mumbai, Maharashtra, 400088, India
| | - Sanghamitra Pati
- ICMR Regional Medical Research Centre, Indian Council of Medical Research, Department of Health Research, Bhubaneswar, Odisha, 751023, India
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Yuniati F, Kamso S. Assessing the Quality of Life Among Productive Age in the General Population: A Cross-Sectional Study of Family Life Survey in Indonesia. Asia Pac J Public Health 2020; 33:53-59. [PMID: 32909440 DOI: 10.1177/1010539520956411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A large number of productive age populations in Indonesia are tagged reliable human resources, assuming they have a good quality of life (QoL). This study aims to examine the determinant factors related to QoL based on the 2014 Indonesia Family Life Survey. This is a population-based cross-sectional study comprising 13 368 participants aged 15 to 64 years from 23 provinces. The analysis was carried out to construct a composite indicator of QoL. The result showed that the low prevalence of 54% among the general population needs to be ameliorated. Demographic factors (e.g. age, marital status, and education), primary activities, pain, and chronic illnesses were significantly related to QoL and used to provide supporting information.
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Seo S. Multimorbidity Development in Working People. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E4749. [PMID: 31783589 PMCID: PMC6926901 DOI: 10.3390/ijerph16234749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 12/13/2022]
Abstract
Multimorbidity is defined as the coexistence of multiple chronic conditions in one person. It affects the way people lead their lives and might be a heavy burden, especially for those with limited material resources. This study explores the prevalence of multimorbidity in the working population and discusses the distribution of multimorbidity in specific sub-groups. We conducted a longitudinal analysis of nationally representative data in South Korea (Korea Health Panel, 2010-2015). Generalized estimation models were applied to examine the individual effect of socioeconomic status (SES) and job-related variables. We found that about five percent of workers who initially had no or one chronic condition developed multimorbidity during within five years. About 20% of working women had multimorbidity at age 55, about 10 years earlier than working men. A higher prevalence appeared in working women with school-age children, non-standard employment, no autonomy at work, or unskilled occupation. SES was significantly associated with a higher prevalence of multimorbidity in both gender after controlling for the effect of age and other covariates. Multimorbidity is a major health concern in the working population and prevention and control should be promoted in the workplace.
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Affiliation(s)
- Sukyong Seo
- College of Nursing, Eulji University, Seongnam 13135, Korea
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Prevalence, characteristics, and patterns of patients with multimorbidity in primary care: a retrospective cohort analysis in Canada. Br J Gen Pract 2019; 69:e647-e656. [PMID: 31308002 PMCID: PMC6715467 DOI: 10.3399/bjgp19x704657] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 02/21/2019] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND Multimorbidity is a complex issue in modern medicine and a more nuanced understanding of how this phenomenon occurs over time is needed. AIM To determine the prevalence, characteristics, and patterns of patients living with multimorbidity, specifically the unique combinations (unordered patterns) and unique permutations (ordered patterns) of multimorbidity in primary care. DESIGN AND SETTING A retrospective cohort analysis of the prospectively collected data from 1990 to 2013 from the Canadian Primary Care Sentinel Surveillance Network electronic medical record database. METHOD Adult primary care patients who were aged ≥18 years at their first recorded encounter were followed over time. A list of 20 chronic condition categories was used to detect multimorbidity. Computational analyses were conducted using the Multimorbidity Cluster Analysis Tool to identify all combinations and permutations. RESULTS Multimorbidity, defined as two or more and three or more chronic conditions, was prevalent among adult primary care patients and most of these patients were aged <65 years. Among female patients with two or more chronic conditions, 6075 combinations and 14 891 permutations were detected. Among male patients with three or more chronic conditions, 4296 combinations and 9716 permutations were detected. While specific patterns were identified, combinations and permutations became increasingly rare as the total number of chronic conditions and patient age increased. CONCLUSION This research confirms that multimorbidity is common in primary care and provides empirical evidence that clinical management requires a tailored, patient-centred approach. While the prevalence of multimorbidity was found to increase with increasing patient age, the largest proportion of patients with multimorbidity in this study were aged <65 years.
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Health inequalities in terms of myocardial infarction and all-cause mortality: a study with German claims data covering 2006 to 2015. Int J Public Health 2019; 64:387-397. [PMID: 30824952 DOI: 10.1007/s00038-019-01224-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 02/13/2019] [Accepted: 02/19/2019] [Indexed: 10/27/2022] Open
Abstract
OBJECTIVES International comparisons are suggesting that mortality inequalities may have changed in the last years, although not always into the same direction. Only a few studies examined myocardial infarction (MI). In our study, long-term developments of MI and all-cause mortality were considered by analysing social gradients by income. METHODS German claims data covering 2006 to 2015 (N = 2,474,448) were used with myocardial infarction and all-cause mortality as outcomes. Socio-economic position was depicted by individual income. Health inequalities were measured by hazard ratios between and within income groups for 10 consecutive calendar years. RESULTS In men, income gradients of MI and all-cause mortality were decreasing. In women, no income gradients emerged for MI, and they disappeared in mortality. In men, hazard ratios of MI and mortality decreased in the intermediate and in the lowest income thirds, thus leading to a reduction of MI-related health inequalities. CONCLUSIONS Income inequalities in terms of myocardial infarction and of mortality have narrowed in men, and those in the lowest income third were profiting most. No such changes were observed in women.
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