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Vinueza Veloz MF, Bhatta L, Jones PR, Tesli M, Smith GD, Davies NM, Brumpton BM, Næss ØE. Educational attainment and mental health conditions: a within-sibship Mendelian randomization study. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.08.10.24311789. [PMID: 39148847 PMCID: PMC11326327 DOI: 10.1101/2024.08.10.24311789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
Importance Observational studies have demonstrated consistent protective effects of higher educational attainment (EA) on the risk of suffering mental health conditions (MHC). Determining whether these beneficial effects are causal is challenging given the potential role of dynastic effects and demographic factors (assortative mating and population structure) in this association. Objective To evaluate to what extent the relationship between EA and various MHC is independent from dynastic effects and demographic factors. Design Within-sibship Mendelian randomization (MR) study. Setting One-sample MR analyses included participants' data from the Trøndelag Health Study (HUNT, Norway) and UK Biobank (United Kingdom). For two-sample MR analyses we used summary statistics from publicly available genome-wide-association-studies. Participants 61 880 siblings (27 507 sibships). Exposure Years of education. Main outcomes Scores for symptoms of anxiety, depression and neuroticism using the Hospital Anxiety Depression Scale (HADS), the 7-item Generalized Anxiety Disorder Scale (GAD-7), the 9-item Patient Health Questionnaire (PHQ-9), and the Eysenck Personality Questionnaire, as well as self-reported consumption of psychotropic medication. Results One standard deviation (SD) unit increase in years of education was associated with a lower symptom score of anxiety (-0.20 SD [95%CI: -0.26, -0.14]), depression (-0.11 SD [-0.43, 0.22]), neuroticism (-0.30 SD [-0.53, -0.06]), and lower odds of psychotropic medication consumption (OR: 0.60 [0.52, 0.69]). Estimates from the within-sibship MR analyses showed some attenuation, which however were suggestive of a causal association (anxiety: -0.17 SD [-0.33, -0.00]; depression: -0.18 SD [-1.26, 0.89]; neuroticism: -0.29 SD [-0.43, -0.15]); psychotropic medication consumption: OR, 0.52 [0.34, 0.82]). Conclusions and Relevance Associations between EA and MHC in adulthood, although to some extend explained by dynastic effects and demographic factors, overall remain robust, indicative of a causal effect. However, larger studies are warranted to improve statistical power and further validate our conclusions. Key points Question: Are the protective effects of higher educational attainment on the risk of suffering mental health conditions independent from familial (i.e.,dynastic effects) and demographic factors (i.e., assortative mating and population structure)?Findings: Although to some extend explained by familial and demographic factors, overall the protective effects of higher educational attainment remain robust.Meaning: Our findings are consistent with those of previous observational studies, which suggests that higher educational attainment may causally reduce the risk of suffering a mental health condition.
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Bann D, Wright L, Hughes A, Chaturvedi N. Socioeconomic inequalities in cardiovascular disease: a causal perspective. Nat Rev Cardiol 2024; 21:238-249. [PMID: 37821646 DOI: 10.1038/s41569-023-00941-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/13/2023] [Indexed: 10/13/2023]
Abstract
Socioeconomic inequalities in cardiovascular disease (CVD) persist in high-income countries despite marked overall declines in CVD-related morbidity and mortality. After decades of research, the field has struggled to unequivocally answer a crucial question: is the association between low socioeconomic position (SEP) and the development of CVD causal? We review relevant evidence from various study designs and disciplinary perspectives. Traditional observational, family-based and Mendelian randomization studies support the widely accepted view that low SEP causally influences CVD. However, results from quasi-experimental and experimental studies are both limited and equivocal. While more experimental and quasi-experimental studies are needed to aid causal understanding and inform policy, high-quality descriptive studies are also required to document inequalities, investigate their contextual dependence and consider SEP throughout the lifespan; no simple hierarchy of evidence exists for an exposure as complex as SEP. The COVID-19 pandemic illustrates the context-dependent nature of CVD inequalities, with the generation of potentially new causal pathways linking SEP and CVD. The linked goals of understanding the causal nature of SEP and CVD associations, their contextual dependence, and their remediation by policy interventions necessitate a detailed understanding of society, its change over time and the phenotypes of CVD. Interdisciplinary research is therefore key to advancing both causal understanding and policy translation.
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Affiliation(s)
- David Bann
- Centre for Longitudinal Studies, Social Research Institute, IOE, UCL's Faculty of Education and Society, University College London, London, UK.
| | - Liam Wright
- Centre for Longitudinal Studies, Social Research Institute, IOE, UCL's Faculty of Education and Society, University College London, London, UK
| | - Alun Hughes
- MRC Unit for Lifelong Health & Ageing at UCL, Department of Population Science and Experimental Medicine, Institute of Cardiovascular Science, Faculty of Population Health Science, University College London, London, UK
| | - Nish Chaturvedi
- MRC Unit for Lifelong Health & Ageing at UCL, Department of Population Science and Experimental Medicine, Institute of Cardiovascular Science, Faculty of Population Health Science, University College London, London, UK
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Woolf B, Sallis HM, Munafò MR. Exploring the Lifetime Effect of Children on Wellbeing Using Two-Sample Mendelian Randomisation. Genes (Basel) 2023; 14:716. [PMID: 36980988 PMCID: PMC10048211 DOI: 10.3390/genes14030716] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Observational research implies a negative effect of having children on wellbeing. OBJECTIVES To provide Mendelian randomisation evidence of the effect of having children on parental wellbeing. DESIGN Two-sample Mendelian randomisation. SETTING Non-clinical European ancestry participants. PARTICIPANTS We used the UK Biobank (460,654 male and female European ancestry participants) as a source of genotype-exposure associations, the Social Science Genetics Consortia (SSGAC) (298,420 male and female European ancestry participants), and the Within-Family Consortia (effective sample of 22,656 male and female European ancestry participants) as sources of genotype-outcome associations. INTERVENTIONS The lifetime effect of an increase in the genetic liability to having children. PRIMARY AND SECONDARY OUTCOME MEASURES The primary analysis was an inverse variance weighed analysis of subjective wellbeing measured in the 2016 SSGAC Genome Wide Association Study (GWAS). Secondary outcomes included pleiotropy robust estimators applied in the SSGAC and an analysis using the Within-Family consortia GWAS. RESULTS We did not find strong evidence of a negative (standard deviation) change in wellbeing (β = 0.153 (95% CI: -0.210 to 0.516) per child parented. Secondary outcomes were generally slightly deflated (e.g., -0.049 [95% CI: -0.533 to 0.435] for the Within-Family Consortia and 0.090 [95% CI: -0.167 to 0.347] for weighted median), implying the presence of some residual confounding and pleiotropy. CONCLUSIONS Contrary to the existing literature, our results are not compatible with a measurable negative effect of number of children on the average wellbeing of a parent over their life course. However, we were unable to explore non-linearities, interactions, or time-varying effects.
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Affiliation(s)
- Benjamin Woolf
- School of Psychological Science, University of Bristol, Bristol BS8 1TU, UK
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol BS8 2BN, UK
- MRC Biostatistics Unit, University of Cambridge, Cambridge CB2 1TN, UK
| | - Hannah M. Sallis
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol BS8 2BN, UK
- Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2BN, UK
| | - Marcus R. Munafò
- School of Psychological Science, University of Bristol, Bristol BS8 1TU, UK
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol BS8 2BN, UK
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Viinikainen J, Bryson A, Böckerman P, Kari JT, Lehtimäki T, Raitakari O, Viikari J, Pehkonen J. Does better education mitigate risky health behavior? A mendelian randomization study. ECONOMICS AND HUMAN BIOLOGY 2022; 46:101134. [PMID: 35354116 DOI: 10.1016/j.ehb.2022.101134] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Education and risky health behaviors are strongly negatively correlated. Education may affect health behaviors by enabling healthier choices through higher disposable income, increasing information about the harmful effects of risky health behaviors, or altering time preferences. Alternatively, the observed negative correlation may stem from reverse causality or unobserved confounders. Based on the data from the Cardiovascular Risk in Young Finns Study linked to register-based information on educational attainment and family background, this paper identifies the causal effect of education on risky health behaviors. To examine causal effects, we used a genetic score as an instrument for years of education. We found that individuals with higher education allocated more attention to healthy habits. In terms of health behaviors, highly educated people were less likely to smoke. Some model specifications also indicated that the highly educated consumed more fruit and vegetables, but the results were imprecise in this regard. No causal effect was found between education and abusive drinking. In brief, inference based on genetic instruments showed that higher education leads to better choices in some but not all dimensions of health behaviors.
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Affiliation(s)
- Jutta Viinikainen
- University of Jyväskylä, Jyväskylä University School of Business and Economics, Jyväskylä, Finland.
| | - Alex Bryson
- University College London, Social Research Institute, London, United Kingdom; National Institute of Economic and Social Research, London, United Kingdom; IZA Institute of Labor Economics, Bonn, Germany
| | - Petri Böckerman
- University of Jyväskylä, Jyväskylä University School of Business and Economics, Jyväskylä, Finland; IZA Institute of Labor Economics, Bonn, Germany; Labour Institute for Economic Research LABORE, Helsinki, Finland
| | - Jaana T Kari
- University of Jyväskylä, Jyväskylä University School of Business and Economics, Jyväskylä, Finland
| | - Terho Lehtimäki
- Tampere University, Department of Clinical Chemistry, Tampere, Finland; Fimlab Laboratories, Tampere, Finland; Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland; Tampere University, Finnish Cardiovascular Research Center, Tampere, Finland
| | - Olli Raitakari
- University of Turku and Turku University Hospital, Centre for Population Health Research, Turku, Finland; University of Turku, Research Centre of Applied and Preventive Cardiovascular Medicine, Turku, Finland; Turku University Hospital, Department of Clinical Physiology and Nuclear Medicine, Turku, Finland
| | - Jorma Viikari
- University of Turku, Department of Medicine, Turku, Finland; Turku University Hospital, Division of Medicine, Turku, Finland
| | - Jaakko Pehkonen
- University of Jyväskylä, Jyväskylä University School of Business and Economics, Jyväskylä, Finland
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Diderichsen F, Whitehead M, Dahlgren G. Planning for health equity in the crossfire between science and policy. Scand J Public Health 2022; 50:875-881. [PMID: 35319311 DOI: 10.1177/14034948221082450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The persistence of health inequalities means that many public health professionals face an ongoing task to develop and update policies to tackle them. However, although the inequalities might be unchanged, the political priorities in the many policy areas involved are changing and the ambition to reduce the health divide is constantly facing strong forces pushing in the opposite direction. Recent proposals to re-think health inequalities need to be treated with caution because they are disconnected from what is needed for policy-making in this area. From our experience of 35 years in developing strategies to tackle health inequalities, we still see many entry points with space for local and national improvements, but it is crucial to ask the right questions. The aim of this Commentary is to present a new framework of eight questions that might provide a helpful structure for the necessary dialogue between researchers and policy-makers. Even if answers are not yet available for all of them, we believe that discussing them for a specific population in a specific political context will be fruitful to inform policy on the ground.
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Pehkonen J, Viinikainen J, Kari JT, Böckerman P, Lehtimäki T, Viikari J, Raitakari O. Birth weight, adult weight, and cardiovascular biomarkers: Evidence from the Cardiovascular Young Finns Study. Prev Med 2022; 154:106894. [PMID: 34801564 DOI: 10.1016/j.ypmed.2021.106894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/12/2021] [Accepted: 11/14/2021] [Indexed: 10/19/2022]
Abstract
This study quantifies the causal effect of birth weight on cardiovascular biomarkers in adulthood using the Cardiovascular Risk in Young Finns Study (YFS). We apply a multivariable Mendelian randomization (MVMR) method that provides a novel approach to improve inference in causal analysis based on a mediation framework. The results show that birth weight is linked to triglyceride levels (β = -0.294; 95% CI [-0.591, 0.003]) but not to low-density lipoprotein (LDL) cholesterol levels (β = 0.007; 95% CI [-0.168, 0.183]). The total effect of birth weight on triglyceride levels is partly offset by a mediation pathway linking birth weight to adult BMI (β = 0.111; 95% CI [-0.013, 0.234]). The negative total effect is consistent with the fetal programming hypothesis. The positive indirect effect via adult BMI highlights the persistence of body weight throughout a person's life and the adverse effects of high BMI on health. The results are consistent with previous findings that both low birth weight and weight gain increase health risks in adulthood.
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Affiliation(s)
- Jaakko Pehkonen
- School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland.
| | - Jutta Viinikainen
- School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
| | - Jaana T Kari
- School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
| | - Petri Böckerman
- School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland; Labour Institute for Economic Research, Helsinki, Finland; IZA, Bonn, Germany
| | - Terho Lehtimäki
- Department of Clinincal Chemistry, Tampere University, Finland; Fimlab Laboratoriot Oy Ltd, Tampere, Finland; Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland; Finnish Cardiovascular Research Center Tampere, Tampere University, Tampere, Finland
| | - Jorma Viikari
- Department of Medicine, University of Turku, Turku, Finland, Division of Medicine, Turku University Hospital, Turku, Finland
| | - Olli Raitakari
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland; Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland; Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
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Baumeister SE, Freuer D, Baurecht H, Reckelkamm SL, Ehmke B, Holtfreter B, Nolde M. Understanding the consequences of educational inequalities on periodontitis: Mendelian randomization study. J Clin Periodontol 2021; 49:200-209. [PMID: 34866211 DOI: 10.1111/jcpe.13581] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/11/2021] [Accepted: 11/30/2021] [Indexed: 11/28/2022]
Abstract
AIM Higher educational attainment is associated with a lower risk of periodontitis, but the extent to which this association is causal and mediated by intermediate factors is unclear. METHODS AND MATERIALS Using summary data from genetic association studies from up to 1.1 million participants of European descent, univariable and multivariable Mendelian randomization analyses were performed to infer the total effect of educational attainment on periodontitis and to estimate the degree to which income, smoking, alcohol consumption, and body mass index mediate the association. RESULTS The odds ratio of periodontitis per one standard deviation increment in genetically predicted education was 0.78 (95% CI: 0.68-0.89). The proportions mediated of the total effect of genetically predicted education on periodontitis were 64%, 35%, 15%, and 46% for income, smoking, alcohol consumption, and body mass index, respectively. CONCLUSIONS Using a genetic instrumental variable approach, this study triangulated evidence from existing observational epidemiological studies and suggested that higher educational attainment lowers periodontitis risk. Measures to reduce the burden of educational disparities in periodontitis risk may tackle downstream risk factors, particularly income, smoking, and obesity.
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Affiliation(s)
| | - Dennis Freuer
- Chair of Epidemiology, University of Augsburg, Augsburg, Germany
| | - Hansjörg Baurecht
- Department of Epidemiology and Preventive Medicine, University of Regensburg, Regensburg, Germany
| | - Stefan Lars Reckelkamm
- Institute of Health Services Research in Dentistry, University of Münster, Münster, Germany
| | - Benjamin Ehmke
- Clinic for Periodontology and Conservative Dentistry, University of Münster, Münster, Germany
| | - Birte Holtfreter
- Department of Restorative Dentistry, Periodontology, Endodontology, and Preventive and Pediatric Dentistry, University Medicine Greifswald, Greifswald, Germany
| | - Michael Nolde
- Institute of Health Services Research in Dentistry, University of Münster, Münster, Germany
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Boardman JD, Fletcher JM. Evaluating the Continued Integration of Genetics into Medical Sociology. JOURNAL OF HEALTH AND SOCIAL BEHAVIOR 2021; 62:404-418. [PMID: 34355610 PMCID: PMC8771926 DOI: 10.1177/00221465211032581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The 2010 special issue of Journal of Health and Social Behavior, titled "Fifty Years of Medical Sociology," defined the contours of the medical sociological perspective. We use this as a backdrop to outline and assess the continued integration of genetics into medical sociology research. We contend that the explosion of genetic and epigenetic data in population health data sources has made the medical sociological perspective increasingly relevant to researchers outside of sociology, including public health, epidemiology, and quantitative genetics. We describe vast, underappreciated, and mostly unsolved challenges that limit the scientifically appropriate interest in incorporating genetics into existing paradigms. It is our hope that medical sociologists continue this integration but redouble efforts to maintain the core insights in social science research, such as the importance of environmental and structural (i.e., nonbiological) factors in determining health processes and outcomes and the use of rich, integrated, and rigorous empirical analyses.
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Pehkonen J, Viinikainen J, Kari JT, Böckerman P, Lehtimäki T, Raitakari O. Birth weight and adult income: An examination of mediation through adult height and body mass. HEALTH ECONOMICS 2021; 30:2383-2398. [PMID: 34250692 DOI: 10.1002/hec.4387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 06/09/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
This paper examines the causal links between early human endowments and socioeconomic outcomes in adulthood. We use a genotyped longitudinal survey (Cardiovascular Risk in Young Finns Study) that is linked to the administrative registers of Statistics Finland. We focus on the effect of birth weight on income via two anthropometric mediators: body mass index (BMI) and height in adulthood. We find that (i) the genetic instruments for birth weight, adult height, and adult BMI are statistically powerful; (ii) there is a robust total effect of birth weight on income for men but not for women; (iii) the total effect of birth weight on income for men is partly mediated via height but not via BMI; and (iv) the share of the total effect mediated via height is substantial, of approximately 56%.
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Affiliation(s)
- Jaakko Pehkonen
- Jyväskylä University School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
| | - Jutta Viinikainen
- Jyväskylä University School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
| | - Jaana T Kari
- Jyväskylä University School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
| | - Petri Böckerman
- Jyväskylä University School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland
- Labour Institute for Economic Research, Helsinki, Finland and IZA, Bonn, Germany
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Finnish Cardiovascular Research Center, Tampere, Finland
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Olli Raitakari
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
- Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
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Treur JL, Munafò MR, Logtenberg E, Wiers RW, Verweij KJH. Using Mendelian randomization analysis to better understand the relationship between mental health and substance use: a systematic review. Psychol Med 2021; 51:1593-1624. [PMID: 34030749 PMCID: PMC8327626 DOI: 10.1017/s003329172100180x] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 04/17/2021] [Accepted: 04/21/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Poor mental health has consistently been associated with substance use (smoking, alcohol drinking, cannabis use, and consumption of caffeinated drinks). To properly inform public health policy it is crucial to understand the mechanisms underlying these associations, and most importantly, whether or not they are causal. METHODS In this pre-registered systematic review, we assessed the evidence for causal relationships between mental health and substance use from Mendelian randomization (MR) studies, following PRISMA. We rated the quality of included studies using a scoring system that incorporates important indices of quality, such as the quality of phenotype measurement, instrument strength, and use of sensitivity methods. RESULTS Sixty-three studies were included for qualitative synthesis. The final quality rating was '-' for 16 studies, '- +' for 37 studies, and '+'for 10 studies. There was robust evidence that higher educational attainment decreases smoking and that there is a bi-directional, increasing relationship between smoking and (symptoms of) mental disorders. Another robust finding was that higher educational attainment increases alcohol use frequency, but decreases binge-drinking and alcohol use problems, and that mental disorders causally lead to more alcohol drinking without evidence for the reverse. CONCLUSIONS The current MR literature increases our understanding of the relationship between mental health and substance use. Bi-directional causal relationships are indicated, especially for smoking, providing further incentive to strengthen public health efforts to decrease substance use. Future MR studies should make use of large(r) samples in combination with detailed phenotypes, a wide range of sensitivity methods, and triangulate with other research methods.
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Affiliation(s)
- Jorien L. Treur
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
- Addiction Development and Psychopathology (ADAPT) Lab, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - Marcus R. Munafò
- School of Psychological Science, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit, the University of Bristol, Bristol, UK
| | - Emma Logtenberg
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Reinout W. Wiers
- Addiction Development and Psychopathology (ADAPT) Lab, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
- Center for Urban Mental Health, University of Amsterdam, Amsterdam, the Netherlands
| | - Karin J. H. Verweij
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
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