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Wallace M. Mortality Advantage Reversed: The Causes of Death Driving All-Cause Mortality Differentials Between Immigrants, the Descendants of Immigrants and Ancestral Natives in Sweden, 1997-2016. EUROPEAN JOURNAL OF POPULATION = REVUE EUROPEENNE DE DEMOGRAPHIE 2022; 38:1213-1241. [PMID: 36507238 PMCID: PMC9727037 DOI: 10.1007/s10680-022-09637-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 08/10/2022] [Indexed: 12/12/2022]
Abstract
A small but growing body of studies have documented the alarming mortality situation of adult descendants of migrants in a number of European countries. Nearly all of them have focused on all-cause mortality to reveal these important health inequalities. This paper takes advantage of the Swedish population registers to study all-cause and cause-specific mortality among men and women aged 15-44 in Sweden from 1997 to 2016 to a level of granularity unparalleled elsewhere. It adopts a multi-generation, multi-origin and multi-cause-of-death approach. Using extended, competing-risks survival models, it aims to show (1) how the all-cause mortality of immigrants arriving as adults (the G1), immigrants arriving as children (the G1.5) and children of immigrants born in Sweden to at least one immigrant parent (the G2) differs versus ancestral Swedes and (2) what causes-of-deaths drive these differentials. For all-cause mortality, most G1 (not Finns or Sub-Saharan Africans) have a mortality advantage. This contrasts with a near systematic reversal in the mortality of the G1.5 and G2 (notably among men), which is driven by excess accident and injury, suicide, substance use and other external cause mortality. Given that external causes-of-death are preventable and avoidable, the findings raise questions about integration processes, the levels of inequality immigrant populations are exposed to in Sweden and ultimately, whether the legacy of immigration has been positive. Strengths of the study include the use of quality data and advanced methods, the granularity of the estimates, and the provision of evidence that highlights the precarious mortality situation of the seldom-studied G1.5.
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Affiliation(s)
- Matthew Wallace
- Sociology Department, Stockholm University Demography Unit, Stockholm, Sweden.
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Rajabi M, Mansourian A, Pilesjö P, Åström DO, Cederin K, Sundquist K. Exploring spatial patterns of cardiovascular disease in Sweden between 2000 and 2010. Scand J Public Health 2018; 46:647-658. [PMID: 29911498 DOI: 10.1177/1403494818780845] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIMS Cardiovascular disease (CVD) is one of the leading causes of mortality and morbidity worldwide, including in Sweden. The main aim of this study was to explore the temporal trends and spatial patterns of CVD in Sweden using spatial autocorrelation analyses. METHODS The CVD admission rates between 2000 and 2010 throughout Sweden were entered as the input disease data for the analytic processes performed for the Swedish capital, Stockholm, and also for the whole of Sweden. Age-adjusted admission rates were calculated using a direct standardisation approach for men and women, and temporal trends analysis were performed on the standardised rates. Global Moran's I was used to explore the structure of patterns and Anselin's local Moran's I, together with Kulldorff's scan statistic were applied to explore the geographical patterns of admission rates. RESULTS The rates followed a spatially clustered pattern in Sweden with differences occurring between sexes. Accordingly, hot spots were identified in northern Sweden, with higher intensity identified for men, together with clusters in central Sweden. Cold spots were identified in the adjacency of the three major Swedish cities of Stockholm, Gothenburg and Malmö. CONCLUSIONS The findings of this study can serve as a basis for distribution of health-care resources, preventive measures and exploration of aetiological factors.
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Affiliation(s)
- Mohammadreza Rajabi
- 1 Lund University GIS Centre, Department of Physical Geography and Ecosystem Science, Lund University, Sweden
| | - Ali Mansourian
- 1 Lund University GIS Centre, Department of Physical Geography and Ecosystem Science, Lund University, Sweden
| | - Petter Pilesjö
- 1 Lund University GIS Centre, Department of Physical Geography and Ecosystem Science, Lund University, Sweden
| | - Daniel Oudin Åström
- 2 Center for Primary Health Care Research, Department of Clinical Science, Malmö, Lund University, Sweden
| | - Klas Cederin
- 2 Center for Primary Health Care Research, Department of Clinical Science, Malmö, Lund University, Sweden
| | - Kristina Sundquist
- 2 Center for Primary Health Care Research, Department of Clinical Science, Malmö, Lund University, Sweden
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Teng AM, Atkinson J, Disney G, Wilson N, Blakely T. Changing socioeconomic inequalities in cancer incidence and mortality: Cohort study with 54 million person-years follow-up 1981-2011. Int J Cancer 2017; 140:1306-1316. [PMID: 27925183 DOI: 10.1002/ijc.30555] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 11/24/2016] [Indexed: 11/10/2022]
Abstract
Cancer is increasingly responsible for the mortality gap between high and low socioeconomic position groups in high-income countries. This study investigates which cancers are contributing more to socioeconomic gaps in mortality and how this changes over time.New Zealand census data from 1981, 1986, 1991, 1996, 2001 and 2006, were linked to three to five years of subsequent mortality and cancer registrations, resulting in 54 and 42 million years of follow-up cancer incidence and mortality, respectively. Age- and ethnicity-standardised cancer mortality rates and the slope index of inequality (SII) by income were calculated.The contribution of cancer to absolute inequalities (SII) in mortality increased from 16 to 27% for men and from 12 to 31% for women from 1981-84 to 2006-11, peaking in 1991-94 for men and in 1996-99 for women and then levelling off, parallel to peaks in lung cancer inequalities. Lung cancer was the largest driver of cancer inequality trends (49% of the cancer mortality gap in 1981-84 to 33% in 2006-11 for men and 32 to 33% for women) followed by colorectal cancer in men (2 to 11%) and breast cancer in women (declining from 44 to 13%). Women in the lowest income quintile experienced no decline in cancer mortality.The contribution of cancer to income inequalities in all-cause mortality has expanded in this high-income country. Action to address socioeconomic inequalities should prioritise equitable tobacco control, obesity control and improved access to cancer screening, early diagnosis and high quality treatment for those with the lowest incomes.
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Affiliation(s)
- Andrea M Teng
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - June Atkinson
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - George Disney
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - Nick Wilson
- Department of Public Health, University of Otago, Wellington, New Zealand
| | - Tony Blakely
- Department of Public Health, University of Otago, Wellington, New Zealand
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Lee HE, Kim HR, Chung YK, Kang SK, Kim EA. Mortality rates by occupation in Korea: a nationwide, 13-year follow-up study. Occup Environ Med 2016; 73:329-35. [PMID: 26920855 PMCID: PMC4853594 DOI: 10.1136/oemed-2015-103192] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 01/21/2016] [Accepted: 02/01/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVE The present study sought to identify inequalities in cause-specific mortality across different occupational groups in Korea. METHODS The cohort included Korean workers enrolled in the national employment insurance programme between 1995 and 2000. Mortality was determined by matching death between 1995 and 2009 according to a nationwide registry of the Korea National Statistical Office. The cohort was divided into nine occupational groups according to the Korean Standard Occupational Classification (KSOC). Age-standardised mortality rates of each subcohort were calculated. RESULTS The highest age-standardised mortality rate was identified in KSOC 6 (agricultural, forestry and fishery workers; male (M): 563.0 per 100 000, female (F): 206.0 per 100 000), followed by KSOC 9 (elementary occupations; M: 499.0, F: 163.4) and KSOC 8 (plant, machine operators and assemblers; M: 380.3, F: 157.8). The lowest rate occurred in KSOC 2 (professionals and related workers; M: 209.1, F: 93.3). Differences in mortality rates between KSOC 2 and KSOC 9 (M: 289.9, F: 70.1) and the rate ratio of KSCO9 to KSCO2 (M: 2.39, F: 1.75) were higher in men. The most prominent mortality rate difference was observed in external causes of death (M: 96.9, F: 21.6) and liver disease in men (38.3 per 100 000). Mental disease showed the highest rate ratio (M: 6.31, F: 13.00). CONCLUSIONS Substantial differences in mortality rates by occupation were identified. Main causes of death were injury, suicide and male liver disease. Development of policies to support occupations linked with a lower socioeconomic position should be prioritised.
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Affiliation(s)
- Hye-Eun Lee
- Department of Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyoung-Ryoul Kim
- Department of Occupational and Environmental Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yun Kyung Chung
- Department of Occupational and Environmental Medicine, Hallym University Sacred Heart Hospital, Republic of Korea
| | - Seong-Kyu Kang
- Korea Occupational Safety and Health Agency, Ulsan, Republic of Korea
| | - Eun-A Kim
- Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency, Ulsan, Republic of Korea
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Svedberg P, Nygren JM, Staland-Nyman C, Nyholm M. The validity of socioeconomic status measures among adolescents based on self-reported information about parents occupations, FAS and perceived SES; implication for health related quality of life studies. BMC Med Res Methodol 2016; 16:48. [PMID: 27130331 PMCID: PMC4850630 DOI: 10.1186/s12874-016-0148-9] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 04/22/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Research has shown inconsistencies in results and difficulties in conceptualization of assessment of socioeconomic status (SES) among adolescents. The aim of this study was thus to test the validity of self-reported information on SES in two age-groups (11-13 and 14-16 years old) in an adolescent population and to evaluate its relationship to self-reported health related quality of life (HRQOL). Different measures of SES commonly used in research in relation to HRQOL were tested in this study; parent's occupations status, family material affluence status (FAS) and perceived SES. METHOD A cross-sectional study, with a sample of 948 respondents (n = 467, 11-13 years old and n = 481, 14-16 years old) completed questionnaires about SES and HRQOL. The adolescents' completion rates were used, with chi2-test, to investigate differences between gender and age-group. Correlation was used for convergent validity and ANOVA for concurrent validity. RESULTS We found a low completion rate for both fathers' (41.7 %) and mothers' (37.5 %) occupation status, and a difference in completion rate between gender and age-groups. FAS had the highest completion rate (100 %) compared to parent's occupations status and perceived SES. The convergent validity between the SES-indicators was weak (Spearman correlation coefficient below 0.3), suggesting that the indicators measured different dimensions of SES. Both FAS and perceived SES showed a gradient in mean HRQOL between low and high SES in relation to HRQOL, this was significant only for perceived SES (p < 0.01, both age-groups). CONCLUSION This study indicates the need for considering different approaches to measures of SES among adolescences and when evaluating SES in relation to HRQOL. Further research is needed to investigate sustainable ways to measure SES, delineating the relevance of tangible measures of education, occupation and income in relation to the perceived socioeconomic status in comparison with others in immediate social networks and in society at large.
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Affiliation(s)
- P Svedberg
- School of Health and Welfare, Hamstad University, SE-301 18, Halmstad, Sweden
| | - J M Nygren
- School of Health and Welfare, Hamstad University, SE-301 18, Halmstad, Sweden
| | - C Staland-Nyman
- School of Health and Welfare, Hamstad University, SE-301 18, Halmstad, Sweden
| | - M Nyholm
- School of Health and Welfare, Hamstad University, SE-301 18, Halmstad, Sweden.
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Koch MB, Diderichsen F, Grønbæk M, Juel K. What is the association of smoking and alcohol use with the increase in social inequality in mortality in Denmark? A nationwide register-based study. BMJ Open 2015; 5:e006588. [PMID: 25967987 PMCID: PMC4431124 DOI: 10.1136/bmjopen-2014-006588] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVES The aim of this paper is to estimate the impact of smoking and alcohol use on the increase in social inequality in mortality in Denmark in the period 1985-2009. DESIGN A nationwide register-based study. SETTING Denmark. PARTICIPANTS The whole Danish population aged 30 years or more in the period 1985-2009. PRIMARY AND SECONDARY OUTCOME MEASURES The primary outcome is mortality rates in relation to educational attainments calculated with and without deaths related to smoking and alcohol use. An absolute measure of inequality in mortality is applied along with a result on the direct contribution from smoking and alcohol use on the absolute difference in mortality rates. The secondary outcome is life expectancy in relation to educational attainments. RESULTS Since 1985, Danish overall mortality rates have decreased. Alongside the improvement in mortality, the absolute difference in the mortality rate (per 100,000 persons) between the lowest and the highest educated quartile grew from 465 to 611 among men and from 250 to 386 among women. Smoking and alcohol use have caused 75% of the increase among men and 97% of the increase among women. Among men the increase was mainly caused by alcohol. In women the increase was mainly caused by smoking. CONCLUSIONS The main explanation for the increase in social inequality in mortality since the mid-1980s is smoking and alcohol use. A significant reduction in the social inequality in mortality can only happen if the prevention of smoking and alcohol use are targeted to the lower educated part of the Danish population.
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Affiliation(s)
- Mette Bjerrum Koch
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Finn Diderichsen
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Morten Grønbæk
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Knud Juel
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
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Jung-Choi K, Khang YH, Cho HJ, Yun SC. Decomposition of educational differences in life expectancy by age and causes of death among South Korean adults. BMC Public Health 2014; 14:560. [PMID: 24897953 PMCID: PMC4061106 DOI: 10.1186/1471-2458-14-560] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 05/27/2014] [Indexed: 11/17/2022] Open
Abstract
Background Decomposition of socioeconomic inequalities in life expectancy by ages and causes allow us to better understand the nature of socioeconomic mortality inequalities and to suggest priority areas for policy and intervention. This study aimed to quantify age- and cause-specific contributions to socioeconomic differences in life expectancy at age 25 by educational level among South Korean adult men and women. Methods We used National Death Registration records in 2005 (129,940 men and 106,188 women) and national census data in 2005 (15, 215, 523 men and 16,077,137 women aged 25 and over). Educational attainment as the indicator of socioeconomic position was categorized into elementary school graduation or less, middle or high school graduation, and college graduation or higher. Differences in life expectancy at age 25 by educational level were estimated by age- and cause-specific mortality differences using Arriaga’s decomposition method. Results Differences in life expectancy at age 25 between college or higher education and elementary or less education were 16.23 years in men and 7.69 years in women. Young adult groups aged 35–49 in men and aged 25–39 in women contributed substantially to the differences between college or higher education and elementary or less education in life expectancy. Suicide and liver disease were the most important causes of death contributing to the differences in life expectancy in young adult groups. For older age groups, cerebrovascular disease and lung cancer were important to explain educational differential in life expectancy at 25–29 between college or higher education and middle or higher education. Conclusions The contribution of the causes of death to socioeconomic inequality in life expectancy at age 25 in South Korea varied by age groups and differed by educational comparisons. The age specific contributions for different causes of death to life expectancy inequalities by educational attainment should be taken into account in establishing effective policy strategies to reduce socioeconomic inequalities in life expectancy.
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Affiliation(s)
| | | | | | - Sung-Cheol Yun
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap2-dong, Songpa-gu, Seoul 138-736, Korea.
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Menvielle G, Rey G, Jougla E, Luce D. Diverging trends in educational inequalities in cancer mortality between men and women in the 2000s in France. BMC Public Health 2013; 13:823. [PMID: 24015917 PMCID: PMC3847008 DOI: 10.1186/1471-2458-13-823] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Accepted: 09/03/2013] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Socioeconomic inequalities in cancer mortality have been observed in different European countries and the US until the end of the 1990s, with changes over time in the magnitude of these inequalities and contrasted situations between countries. The aim of this study is to estimate relative and absolute educational differences in cancer mortality in France between 1999 and 2007, and to compare these inequalities with those reported during the 1990s. METHODS Data from a representative sample including 1% of the French population were analysed. Educational differences among people aged 30-74 were quantified with hazard ratios and relative indices of inequality (RII) computed using Cox regression models as well as mortality rate difference and population attributable fraction. RESULTS In the period 1999-2007, large relative inequalities were found among men for total cancer and smoking and/or alcohol related cancers mortality (lung, head and neck, oesophagus). Among women, educational differences were reported for total cancer, head and neck and uterus cancer mortality. No association was found between education and breast cancer mortality. Slight educational differences in colorectal cancer mortality were observed in men and women. For most frequent cancers, no change was observed in the magnitude of relative inequalities in mortality between the 1990s and the 2000s, although the RII for lung cancer increased both in men and women. Among women, a large increase in absolute inequalities in mortality was observed for all cancers combined, lung, head and neck and colorectal cancer. In contrast, among men, absolute inequalities in mortality decreased for all smoking and/or alcohol related cancers. CONCLUSION Although social inequalities in cancer mortality are still high among men, an encouraging trend is observed. Among women though, the situation regarding social inequalities is less favourable, mainly due to a health improvement limited to higher educated women. These inequalities may be expected to further increase in future years.
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Affiliation(s)
- Gwenn Menvielle
- Inserm U1018, Center for Epidemiology and Population Health, Occupational and social determinants of health, Bat 15/16 Hôpital Paul Brousse, 16 ave Paul Vaillant Couturier, Villejuif Cedex 94807, France
- University of Versailles Saint Quentin, UMRS 1018, France
| | | | | | - Danièle Luce
- Inserm U1018, Center for Epidemiology and Population Health, Occupational and social determinants of health, Bat 15/16 Hôpital Paul Brousse, 16 ave Paul Vaillant Couturier, Villejuif Cedex 94807, France
- University of Versailles Saint Quentin, UMRS 1018, France
- Inserm U1085, Irset, Pointe-à-Pitre, Guadeloupe, French West Indies
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Huisman M, Read S, Towriss CA, Deeg DJH, Grundy E. Socioeconomic Inequalities in Mortality Rates in Old Age in the World Health Organization Europe Region. Epidemiol Rev 2013; 35:84-97. [DOI: 10.1093/epirev/mxs010] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2012] [Indexed: 11/14/2022] Open
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Jung-Choi K, Khang YH, Cho HJ. Changes in contribution of causes of death to socioeconomic mortality inequalities in Korean adults. J Prev Med Public Health 2012; 44:249-59. [PMID: 22143175 PMCID: PMC3249264 DOI: 10.3961/jpmph.2011.44.6.249] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Objectives This study aimed to analyze long-term trends in the contribution of each cause of death to socioeconomic inequalities in all-cause mortality among Korean adults. Methods Data were collected from death certificates between 1990 and 2004 and from censuses in 1990, 1995, and 2000. Age-standardized death rates by gender were produced according to education as the socioeconomic position indicator, and the slope index of inequality was calculated to evaluate the contribution of each cause of death to socioeconomic inequalities in all-cause mortality. Results Among adults aged 25-44, accidental injuries with transport accidents, suicide, liver disease and cerebrovascular disease made relatively large contributions to socioeconomic inequalities in all-cause mortality, while, among adults aged 45-64, liver disease, cerebrovascular disease, transport accidents, liver cancer, and lung cancer did so. Ischemic heart disease, a very important contributor to socioeconomic mortality inequality in North America and Western Europe, showed a very low contribution (less than 3%) in both genders of Koreans. Conclusions Considering the contributions of different causes of death to absolute mortality inequalities, establishing effective strategies to reduce socioeconomic inequalities in mortality is warranted.
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Affiliation(s)
- Kyunghee Jung-Choi
- Department of Preventive Medicine, Ewha Womans University School of Medicine, Seoul, Korea.
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Nishikitani M, Nakao M, Tsurugano S, Yano E. The possible absence of a healthy-worker effect: a cross-sectional survey among educated Japanese women. BMJ Open 2012; 2:bmjopen-2012-000958. [PMID: 22964114 PMCID: PMC3467618 DOI: 10.1136/bmjopen-2012-000958] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVES Despite being highly educated in comparison with women in other member countries of the Organisation for Economic Cooperation and Development, Japanese women are expected to assume traditional gender roles, and many dedicate themselves to full-time housewifery. Women working outside the home do so under poor conditions, and their health may not be better than that of housewives. This study compared the self-rated health status and health behaviours of housewives and working women in Japan. DESIGN Cross-sectional survey. SETTING A national university in Tokyo with 9864 alumnae. PARTICIPANTS A total 1344 women who graduated since 1985 and completed questionnaires in an anonymous mail-based survey. PRIMARY AND SECONDARY OUTCOME MEASURES Health anxiety and satisfaction, receipt of health check-ups, eating breakfast, smoking, and sleep problems according to job status and family demands: housewives (n=247) and working women with (n=624) and without (n=436) family demands. ORs were used for risk assessment, with housewives as a reference. RESULTS After adjustment for satisfaction with present employment status and other confounding factors, working women were more likely than housewives to feel health anxiety (with family demands, OR: 1.68, 95% CI1.10 to 2.57; without family demands, OR: 3.57, 95% CI 2.19 to 4.50) and health dissatisfaction (without family demands, OR: 3.50, 95% CI 2.35 to 5.21); they were also more likely than housewives to eat an insufficient breakfast (with family demands, OR: 1.91, 95% CI 1.22 to 3.00; without family demands, OR: 4.02, 95% CI 2.47 to 6.57) and to have sleep problems (ORs: 2.08 to 4.03). CONCLUSIONS No healthy-worker effect was found among Japanese women. Housewives, at least those who are well educated, appear to have better health status and health-related behaviours than do working women with the same level of education.
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Affiliation(s)
- Mariko Nishikitani
- Department of Environmental Sciences, International College of Arts and Sciences, Fukuoka Women's University, Fukuoka, Japan
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan
| | - Mutsuhiro Nakao
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan
| | - Shinobu Tsurugano
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan
| | - Eiji Yano
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan
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Doubeni CA, Schootman M, Major JM, Stone RAT, Laiyemo AO, Park Y, Lian M, Messer L, Graubard BI, Sinha R, Hollenbeck AR, Schatzkin A. Health status, neighborhood socioeconomic context, and premature mortality in the United States: The National Institutes of Health-AARP Diet and Health Study. Am J Public Health 2011; 102:680-8. [PMID: 21852636 DOI: 10.2105/ajph.2011.300158] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVES We examined whether the risk of premature mortality associated with living in socioeconomically deprived neighborhoods varies according to the health status of individuals. METHODS Community-dwelling adults (n = 566,402; age = 50-71 years) in 6 US states and 2 metropolitan areas participated in the ongoing prospective National Institutes of Health-AARP Diet and Health Study, which began in 1995. We used baseline data for 565,679 participants on health behaviors, self-rated health status, and medical history, collected by mailed questionnaires. Participants were linked to 2000 census data for an index of census tract socioeconomic deprivation. The main outcome was all-cause mortality ascertained through 2006. RESULTS In adjusted survival analyses of persons in good-to-excellent health at baseline, risk of mortality increased with increasing levels of census tract socioeconomic deprivation. Neighborhood socioeconomic mortality disparities among persons in fair-to-poor health were not statistically significant after adjustment for demographic characteristics, educational achievement, lifestyle, and medical conditions. CONCLUSIONS Neighborhood socioeconomic inequalities lead to large disparities in risk of premature mortality among healthy US adults but not among those in poor health.
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Affiliation(s)
- Chyke A Doubeni
- Department of Family Medicine and Community Health, University of Massachusetts Medical School, Worcester, 01655, USA.
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Wibmer A, Nolz R, Teufelsbauer H, Kretschmer G, Prusa AM, Funovics M, Lammer J, Schoder M. Complete ten-year follow-up after endovascular abdominal aortic aneurysm repair: survival and causes of death. Eur J Radiol 2011; 81:1203-6. [PMID: 21524867 DOI: 10.1016/j.ejrad.2011.03.092] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Revised: 03/22/2011] [Accepted: 03/30/2011] [Indexed: 11/25/2022]
Abstract
PURPOSE To analyze the hazard and causes of death after endovascular aneurysm repair (EVAR) of abdominal aortic aneurysms during a complete ten year follow-up. METHODS This is a retrospective clinical study of 130 consecutive patients undergoing EVAR between 1995 and 1998. One-hundred twenty-one patients (93.1%) were treated with first-generation stentgrafts and nine patients (6.9%) received second-generation devices. All patients completed a follow-up of at least 10 years, unless death occurred before then. Time and causes of death were provided by the Austrian central register of deaths. RESULTS The median follow-up was 7.6 years, and the 130 patients had 968.5 person-years of follow-up. The ten-year mortality rate was 62.3%. Cardiovascular events were the most frequent causes of death, with a 3.9 incidence rate per 100 person-years. Cancer death and death due to other causes occurred in 2.1 and 1.8 cases per 100 person-years, respectively. Lethal late aneurysm rupture happened in 4.6% (n=6), which corresponds to an annual incidence rate of 0.6 per 100 person-years. All of those patients had been treated with first-generation devices. CONCLUSIONS Cardiovascular events were the most frequent cause of death after EVAR, followed by malignancy and other diseases. The risk of dying from secondary rupture was clearly lower than that of death due to other reasons during ten years after EVAR, even in patients with first-generation stentgrafts.
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Affiliation(s)
- Andreas Wibmer
- Department of Radiology, Division of Cardiovascular and Interventional Radiology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria.
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Khang YH, Yang S, Cho HJ, Jung-Choi K, Yun SC. Decomposition of socio-economic differences in life expectancy at birth by age and cause of death among 4 million South Korean public servants and their dependents. Int J Epidemiol 2010; 39:1656-66. [DOI: 10.1093/ije/dyq117] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Menvielle G, Leclerc A, Chastang JF, Luce D. Socioeconomic inequalities in cause specific mortality among older people in France. BMC Public Health 2010; 10:260. [PMID: 20482836 PMCID: PMC2881100 DOI: 10.1186/1471-2458-10-260] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2009] [Accepted: 05/19/2010] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND European comparative studies documented a clear North-South divide in socioeconomic inequalities with cancer being the most important contributor to inequalities in total mortality among middle aged men in Latin Europe (France, Spain, Portugal, Italy). The aim of this paper is to investigate educational inequalities in mortality by gender, age and causes of death in France, with a special emphasis on people aged 75 years and more. METHODS We used data from a longitudinal population sample that includes 1% of the French population. Risk of death (total and cause specific) in the period 1990-1999 according to education was analysed using Cox regression models by age group (45-59, 60-74, and 75+). Inequalities were quantified using both relative (ratio) and absolute (difference) measures. RESULTS Relative inequalities decreased with age but were still observed in the oldest age group. Absolute inequalities increased with age. This increase was particularly pronounced for cardiovascular diseases. The contribution of different causes of death to absolute inequalities in total mortality differed between age groups. In particular, the contribution of cancer deaths decreased substantially between the age groups 60-74 years and 75 years and more, both in men and in women. CONCLUSIONS This study suggests that the large contribution of cancer deaths to the excess mortality among low educated people that was observed among middle aged men in Latin Europe is not observed among French people aged 75 years and more. This should be confirmed among other Latin Europe countries.
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Affiliation(s)
- Gwenn Menvielle
- Inserm U1018, Epidemiology of occupational and social determinants of health, Center for Research in Epidemiology and Population Health, Inserm, Villejuif, France.
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16
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Strandhagen E, Berg C, Lissner L, Nunez L, Rosengren A, Torén K, Thelle DS. Selection bias in a population survey with registry linkage: potential effect on socioeconomic gradient in cardiovascular risk. Eur J Epidemiol 2010; 25:163-72. [PMID: 20127393 DOI: 10.1007/s10654-010-9427-7] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2009] [Accepted: 01/16/2010] [Indexed: 11/25/2022]
Abstract
Non-participation in population studies is likely to be a source of bias in many types of epidemiologic studies, including those describing social disparities in health. The objective of this paper is to present a non-attendance analysis evaluating the possible impact of selection bias, when investigating the association between education level and cardiovascular risk factors. Data from the INTERGENE research programme including 3,610 randomly selected individuals aged 25-74 (1,908 women and 1,702 men), in West Sweden were used. Only 42% of the invited population participated. Non-attendance analyses were done by comparing data from official registries (Statistics Sweden) covering the entire invited study population. This analysis revealed that participants were more likely to be women, have university education, high income, be married and of Nordic origin compared to non-participants. Among participants, all health behaviours studied were significantly related to education. Physical activity, alcohol use and breakfast consumption were higher in the more educated group, while there were more smokers in the less educated group. Central obesity, obesity and hypertension were also significantly associated with lower education level. Weaker associations were observed for blood lipids, diabetes, high plasma glucose level and perceived stress. The socio-demographic differences between participants and non-participants indicated by the register analysis imply potential biases in epidemiological research. For instance, the positive association between education level and frequent alcohol consumption, may, in part be explained by participation bias. For other risk factors studied, an underestimation of the importance of low socioeconomic status may be more likely.
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Affiliation(s)
- Elisabeth Strandhagen
- School of Public Health and Community Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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Medina-Solís CE, Villalobos-Rodelo JJ, Márquez-Corona MDL, Vallejos-Sánchez AA, Portillo-Núñez CL, Casanova-Rosado AJ. Desigualdades socioeconómicas en la utilización de servicios de salud bucal: estudio en escolares mexicanos de 6 a 12 años de edad. CAD SAUDE PUBLICA 2009; 25:2621-31. [DOI: 10.1590/s0102-311x2009001200009] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2009] [Accepted: 09/30/2009] [Indexed: 11/21/2022] Open
Abstract
El objetivo del estudio fue evaluar la asociación entre diversos indicadores socioeconómicos y la utilización de servicios de salud bucal. Se realizó un estudio transversal en 3.048 escolares. La variable utilización de servicios de salud bucal y las variables sociodemográficas y socioeconómicas se colectaron a través de un cuestionario dirigido a las madres. Para determinar las necesidades de salud se realizó un examen clínico bucal a los niños. Las asociaciones ajustadas fueron evaluadas con regresión logística politómica. Las variables asociadas a servicios preventivos y curativos fueron mayor edad, mayor frecuencia de cepillado y menor edad al inicio de cepillado dental, tener seguro público o privado, y mejor nivel socioeconómico. Además, sólo para los servicios preventivos, también se asoció estar inscrito en una escuela privada, y sólo para los servicios curativos, la posesión de automóvil y tener necesidades de salud bucal entre moderadas y muy altas. Los resultados sugieren la existencia de desigualdades socioeconómicas en la utilización de servicios de salud bucal en niños mexicanos.
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Affiliation(s)
| | | | | | | | - Carlos López Portillo-Núñez
- Delegación del Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, México; Universidad Autónoma de Sinaloa, México
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18
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Yang M, Eldridge S, Merlo J. Multilevel survival analysis of health inequalities in life expectancy. Int J Equity Health 2009; 8:31. [PMID: 19698159 PMCID: PMC2740845 DOI: 10.1186/1475-9276-8-31] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Accepted: 08/23/2009] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The health status of individuals is determined by multiple factors operating at both micro and macro levels and the interactive effects of them. Measures of health inequalities should reflect such determinants explicitly through sources of levels and combining mean differences at group levels and the variation of individuals, for the benefits of decision making and intervention planning. Measures derived recently from marginal models such as beta-binomial and frailty survival, address this issue to some extent, but are limited in handling data with complex structures. Beta-binomial models were also limited in relation to measuring inequalities of life expectancy (LE) directly. METHODS We propose a multilevel survival model analysis that estimates life expectancy based on survival time with censored data. The model explicitly disentangles total health inequalities in terms of variance components of life expectancy compared to the source of variation at the level of individuals in households and parishes and so on, and estimates group differences of inequalities at the same time. Adjusted distributions of life expectancy by gender and by household socioeconomic level are calculated. Relative and absolute health inequality indices are derived based on model estimates. The model based analysis is illustrated on a large Swedish cohort of 22,680 men and 26,474 women aged 6569 in 1970 and followed up for 30 years. Model based inequality measures are compared to the conventional calculations. RESULTS Much variation of life expectancy is observed at individual and household levels. Contextual effects at Parish and Municipality level are negligible. Women have longer life expectancy than men and lower inequality. There is marked inequality by the level of household socioeconomic status measured by the median life expectancy in each socio-economic group and the variation in life expectancy within each group. CONCLUSION Multilevel survival models are flexible and efficient tools in studying health inequalities of life expectancy or survival time data with a geographic structure of more than 2 levels. They are complementary to conventional methods and override some limitations of marginal models. Future research on determinants of health inequalities in the LE of the specific cohort on the household and individual factors could reveal some important causes over the marked household level inequalities.
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Affiliation(s)
- Min Yang
- Centre for Psychiatry, Barts and The London, Queen Mary's School of Medicine and Dentistry, William Harvey House, 61 Bartholomew Close, London EC1A 7BE, UK
| | - Sandra Eldridge
- Centre for Health Sciences, Barts and The London, Queen Mary's School of Medicine and Dentistry, Abernethy Building, 2 Newark Street, London E1 2AT, UK
| | - Juan Merlo
- Social Medicine, Lund University MAS, CRC, Ing 72, Hus 28, Plan 12, 205 02 MALMÖ, Sweden
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Hewitt S, Graff-Iversen S. Risk factors for cardiovascular diseases and diabetes in disability pensioners aged 40--42 years: a cross-sectional study in Norway. Scand J Public Health 2009; 37:280-6. [PMID: 19181824 DOI: 10.1177/1403494808101177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIMS Few disability pensions at the age of 40 in Norway are granted due to cardiovascular diseases (CVD) or diabetes, but disability pensioners have an excess mortality of these diseases. In this study, we aim to present risk factors for CVD and diabetes in young disability pensioners, compared with persons able to work. METHODS A population-based survey of Norwegian men and women aged 40-42 years was conducted in 1997-1999, with 62,778 participants. Disability pensioners (n= 2636) and other non-working persons (n = 5105) were compared with persons able to work. Risk factors were compared in persons without CVD and diabetes. RESULTS Prevalence of self-reported CVD and diabetes was markedly higher in disability pensioners than in persons able to work. In persons without these diseases, we found elevations of all measured risk factors were more prevalent in disabled men and women. Myocardial infarction risk was about 50% higher in disability pensioners. Disability pensioners were more physically inactive and obese; they smoked more and had lipid disorders with elevated total cholesterol, low high-density lipoprotein (hdl)-cholesterol and elevated triglycerides. Other non-working persons had less pronounced elevations of most of the risk factors. CONCLUSIONS A high proportion of disability pensioners and others not working at the age of 40 had an elevated risk for CVD and diabetes.
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Affiliation(s)
- Stephen Hewitt
- Medical Department, Hospital of Østfold, Fredrikstad, Norway.
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20
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Puigpinós R, Borrell C, Antunes JLF, Azlor E, Pasarín MI, Serral G, Pons-Vigués M, Rodríguez-Sanz M, Fernández E. Trends in socioeconomic inequalities in cancer mortality in Barcelona: 1992-2003. BMC Public Health 2009; 9:35. [PMID: 19166582 PMCID: PMC2640474 DOI: 10.1186/1471-2458-9-35] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2008] [Accepted: 01/23/2009] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The objective of this study was to assess trends in cancer mortality by educational level in Barcelona from 1992 to 2003. METHODS The study population comprised Barcelona inhabitants aged 20 years or older. Data on cancer deaths were supplied by the system of information on mortality. Educational level was obtained from the municipal census. Age-standardized rates by educational level were calculated. We also fitted Poisson regression models to estimate the relative index of inequality (RII) and the Slope Index of Inequalities (SII). All were calculated for each sex and period (1992-1994, 1995-1997, 1998-2000, and 2001-2003). RESULTS Cancer mortality was higher in men and women with lower educational level throughout the study period. Less-schooled men had higher mortality by stomach, mouth and pharynx, oesophagus, larynx and lung cancer. In women, there were educational inequalities for cervix uteri, liver and colon cancer. Inequalities of overall and specific types of cancer mortality remained stable in Barcelona; although a slight reduction was observed for some cancers. CONCLUSION This study has identified those cancer types presenting the greatest inequalities between men and women in recent years and shown that in Barcelona there is a stable trend in inequalities in the burden of cancer.
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Affiliation(s)
- Rosa Puigpinós
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
- CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain
- Departament de Salut Pública, Facultat de Medicina. Universitat de Barcelona, Barcelona, Spain
| | - Carme Borrell
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
- CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain
- Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra., Barcelona, Spain
| | | | - Enric Azlor
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
| | - M Isabel Pasarín
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
- CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain
- Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra., Barcelona, Spain
| | - Gemma Serral
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
| | - Mariona Pons-Vigués
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
- CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain
| | - Maica Rodríguez-Sanz
- Servei de Sistemes d'Informació Sanitaria, Agència de Salut Pública de Barcelona, Barcelona, Spain
- CIBER Epidemiologia y Salud Pública (CIBERESP), Barcelona, Spain
| | - Esteve Fernández
- Tobacco Control and Research Unit, Institut6 Català d'Oncologia (ICO-IDIBELL), l'Hospitalet de lobregat (Barcelona), Spain
- Department of Clinical Sciences, Campus of Bellvitge, Universitat de Barcelona, l'Hospitalet de Llobregat (Barcelona), Spain
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Rey G, Jougla E, Fouillet A, Hémon D. Ecological association between a deprivation index and mortality in France over the period 1997 - 2001: variations with spatial scale, degree of urbanicity, age, gender and cause of death. BMC Public Health 2009; 9:33. [PMID: 19161613 PMCID: PMC2637240 DOI: 10.1186/1471-2458-9-33] [Citation(s) in RCA: 318] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2008] [Accepted: 01/22/2009] [Indexed: 11/29/2022] Open
Abstract
Background Spatial health inequalities have often been analysed in terms of deprivation. The aim of this study was to create an ecological deprivation index and evaluate its association with mortality over the entire mainland France territory. More specifically, the variations with the degree of urbanicity, spatial scale, age, gender and cause of death, which influence the association between mortality and deprivation, have been described. Methods The deprivation index, 'FDep99', was developed at the 'commune'(smallest administrative unit in France) level as the first component of a principal component analysis of four socioeconomic variables. Proxies of the Carstairs and Townsend indices were calculated for comparison. The spatial association between FDep99 and mortality was studied using five different spatial scales, and by degree of urbanicity (five urban unit categories), age, gender and cause of death, over the period 1997–2001. 'Avoidable' causes of death were also considered for subjects aged less than 65 years. They were defined as causes related to risk behaviour and primary prevention (alcohol, smoking, accidents). Results The association between the FDep99 index and mortality was positive and quasi-log-linear, for all geographic scales. The standardized mortality ratio (SMR) was 24% higher for the communes of the most deprived quintile than for those of the least deprived quintile. The between-urban unit category and between-région heterogeneities of the log-linear associations were not statistically significant. The association was positive for all the categories studied and was significantly greater for subjects aged less than 65 years, for men, and for 'avoidable' mortality. The amplitude and regularity of the associations between mortality and the Townsend and Carstairs indices were lower. Conclusion The deprivation index proposed reflects a major part of spatial socioeconomic heterogeneity, in a homogeneous manner over the whole country. The index may be routinely used by healthcare authorities to observe, analyse, and manage spatial health inequalities.
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Weitoft GR, Rosén M, Ericsson Ö, Ljung R. Education and drug use in Sweden-a nationwide register-based study. Pharmacoepidemiol Drug Saf 2008; 17:1020-8. [DOI: 10.1002/pds.1635] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Weires M, Bermejo JL, Sundquist K, Sundquist J, Hemminki K. Socio-economic status and overall and cause-specific mortality in Sweden. BMC Public Health 2008; 8:340. [PMID: 18826562 PMCID: PMC2564940 DOI: 10.1186/1471-2458-8-340] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2008] [Accepted: 09/30/2008] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Previous studies have reported discrepancies in cause-specific mortality among groups of individuals with different socio-economic status. However, most of the studies were limited by the specificity of the investigated populations and the broad definitions of the causes of death. The aim of the present population-based study was to explore the dependence of disease specific mortalities on the socio-economic status in Sweden, a country with universal health care. Another aim was to investigate possible gender differences. METHODS Using the 2006 update of the Swedish Family-Cancer Database, we identified over 2 million individuals with socio-economic data recorded in the 1960 national census. The association between mortality and socio-economic status was investigated by Cox's proportional hazards models taking into account the age, time period and residential area in both men and women, and additionally parity and age at first birth in women. RESULTS We observed significant associations between socio-economic status and mortality due to cardiovascular diseases, respiratory diseases, to cancer and to endocrine, nutritional and metabolic diseases. The influence of socio-economic status on female breast cancer was markedly specific: women with a higher socio-economic status showed increased mortality due to breast cancer. CONCLUSION Even in Sweden, a country where health care is universally provided, higher socio-economic status is associated with decreased overall and cause-specific mortalities. Comparison of mortality among female and male socio-economic groups may provide valuable insights into the underlying causes of socio-economic inequalities in length of life.
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Affiliation(s)
- Marianne Weires
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany
| | - Justo Lorenzo Bermejo
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany
| | - Kristina Sundquist
- Karolinska Institute, Center for Family and Community Medicine, 141 83 Huddinge, Sweden
| | - Jan Sundquist
- Karolinska Institute, Center for Family and Community Medicine, 141 83 Huddinge, Sweden
| | - Kari Hemminki
- Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany
- Karolinska Institute, Center for Family and Community Medicine, 141 83 Huddinge, Sweden
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Abstract
BACKGROUND Previous studies have shown that causes of death differ in their relationship to social class, but we lack a more comprehensive description of this variation. The present study provides a detailed and extensive list of social class differences for a large number of specific causes of death. METHODS All deaths between 1991 and 2003 in Sweden were linked with information on household social class from 1990. Relative death risks and excess mortality in groups of causes according to the European shortlist were estimated separately for men and women in eight classes using Cox Regression. RESULTS A clear mortality gradient among employees was found for the majority of causes, from low-relative death risks among higher managerial and professional occupations to relatively high risks for the unskilled working class. There is considerable variation in the strength of the association, from causes such as malignant melanoma, breast cancer and transport accidents among women, where no clear class differences were found. At the other extreme, mental and behavioural disorders, endocrine, nutritional and metabolic diseases and diseases of the respiratory system all show steep slopes for both men and women. Circulatory diseases and cancer together account for 15-20% of excess mortality. CONCLUSIONS Exceptions to the general pattern--causes of death in which higher social classes are exposed to greater death risks or in which there is no mortality gradient--are practically non-existent. There is nevertheless significant variation in the strength of the class differences in specific causes.
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Affiliation(s)
- Robert Erikson
- Swedish Institute for Social Research, Stockholm University, Stockholm, Sweden
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25
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Zhou G, Liu X, Xu G, Liu X, Zhang R, Zhu W. The effect of socioeconomic status on three-year mortality after first-ever ischemic stroke in Nanjing, China. BMC Public Health 2006; 6:227. [PMID: 16961936 PMCID: PMC1584410 DOI: 10.1186/1471-2458-6-227] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2006] [Accepted: 09/11/2006] [Indexed: 11/10/2022] Open
Abstract
Background Low socioeconomic status (SES) is associated with increased mortality after stroke in developed countries. This study was performed to determine whether a similar association also exists in China. Methods A total of 806 patients with first-ever ischemic stroke were enrolled in our study. From August 1999 to August 2005, the three-year all-cause mortality following the stroke was determined. Level of education, occupation, taxable income and housing space were used as indicators for SES. Stepwise univariate and multivariate COX proportional hazards models were used to study the association between the SES measures and the three-year mortality. Results Our analyses confirmed that occupation, taxable income and housing space were significantly associated with three-year mortality after first-ever stroke. Manual workers had a significant hazard ratio of 5.44 (95% CI 2.75 to 10.77) for death within three years when compared with non-manual workers. Those in the zero income group had a significant hazard ratio of 5.35 (95% CI 2.95 to 9.70) and those in the intermediate income group 2.10 (95% CI 1.24 to 3.58) when compared with those in the highest income group. Those in two of the three groups with the smallest housing space also had significant hazard ratios of 2.06 (95% CI 1.16 to 3.65) and 1.68 (95% CI 1.12 to 2.52) when compared with those in group with the largest housing space. These hazard ratios remained largely unchanged after multivariate adjustment for age, gender, baseline cardiovascular disease risk factors, and stroke severity. The analyses did not confirm an association with educational level. Conclusion Lower SES has a negative impact on the outcome of first-ever stroke in Nanjing, China. This confirms the need to improve preventive and secondary care for stroke among low SES groups.
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Affiliation(s)
- Guangyi Zhou
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
| | - Xinfeng Liu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
| | - Gelin Xu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
| | - Xifei Liu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
| | - Renliang Zhang
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
| | - Wusheng Zhu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, Jiangsu Province, PR China
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Rosvall M, Chaix B, Lynch J, Lindström M, Merlo J. Similar support for three different life course socioeconomic models on predicting premature cardiovascular mortality and all-cause mortality. BMC Public Health 2006; 6:203. [PMID: 16889658 PMCID: PMC1569840 DOI: 10.1186/1471-2458-6-203] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2006] [Accepted: 08/04/2006] [Indexed: 11/21/2022] Open
Abstract
Background There are at least three broad conceptual models for the impact of the social environment on adult disease: the critical period, social mobility, and cumulative life course models. Several studies have shown an association between each of these models and mortality. However, few studies have investigated the importance of the different models within the same setting and none has been performed in samples of the whole population. The purpose of the present study was to study the relation between socioeconomic position (SEP) and mortality using different conceptual models in the whole population of Scania. Methods In the present investigation we use socioeconomic information on all men (N = 48,909) and women (N = 47,688) born between 1945 and 1950, alive on January, 1st,1990, and living in the Region of Scania, in Sweden. Focusing on three specific life periods (i.e., ages 10–15, 30–35 and 40–45), we examined the association between SEP and the 12-year risk of premature cardiovascular mortality and all-cause mortality. Results There was a strong relation between SEP and mortality among those inside the workforce, irrespective of the conceptual model used. There was a clear upward trend in the mortality hazard rate ratios (HRR) with accumulated exposure to manual SEP in both men (p for trend < 0.001 for both cardiovascular and all-cause mortality) and women (p for trend = 0.01 for cardiovascular mortality) and (p for trend = 0.003 for all-cause mortality). Inter- and intragenerational downward social mobility was associated with an increased mortality risk. When applying similar conceptual models based on workforce participation, it was shown that mortality was affected by the accumulated exposure to being outside the workforce. Conclusion There was a strong relation between SEP and cardiovascular and all-cause mortality, irrespective of the conceptual model used. The critical period, social mobility, and cumulative life course models, showed the same fit to the data. That is, one model could not be pointed out as "the best" model and even in this large unselected sample it was not possible to adjudicate which theories best describe the links between life course SEP and mortality risk.
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Affiliation(s)
- Maria Rosvall
- Department of Health Sciences, Lund University, Malmö University Hospital, Malmö, Sweden
| | - Basile Chaix
- Department of Clinical Sciences, Lund University, Malmö University Hospital, Malmö, Sweden
- Research Unit in Epidemiology, Information Systems, and Modelisation (INSERM U707), National Institute of Health and Medical Research, Paris, France
| | - John Lynch
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada
| | - Martin Lindström
- Department of Health Sciences, Lund University, Malmö University Hospital, Malmö, Sweden
| | - Juan Merlo
- Department of Clinical Sciences, Lund University, Malmö University Hospital, Malmö, Sweden
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