Evidence map›Paper›PMID 30254091›Full record

ArticleBMJ (Clinical research ed.)2018

Evaluation of the causal effects between subjective wellbeing and cardiometabolic health: mendelian randomisation study.

Robyn E Wootton, Rebecca B Lawn, Louise A C Millard, Neil M Davies, Amy E Taylor, Marcus R Munafò, Nicholas J Timpson, Oliver S P Davis, George Davey Smith, Claire M A Haworth

Abstract read
In one paragraph

Article in BMJ (Clinical research ed.), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
87citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

87 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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27 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Robyn E WoottonSchool of Experimental Psychology, University of Bristol, Bristol BS8 1TU, UK.ORCID https://orcid.org/0000-0003-3961-3202
Rebecca B LawnSchool of Experimental Psychology, University of Bristol, Bristol BS8 1TU, UK.
Louise A C MillardDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Neil M DaviesDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Amy E TaylorDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Marcus R MunafòSchool of Experimental Psychology, University of Bristol, Bristol BS8 1TU, UK.
Nicholas J TimpsonDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Oliver S P DavisDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
George Davey SmithDepartment of Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Claire M A HaworthSchool of Experimental Psychology, University of Bristol, Bristol BS8 1TU, UK.

Funding

Medical Research Council G9815508Medical Research Council MC_PC_17228Medical Research Council MC_QA137853Medical Research Council MC_UU_00011/1Medical Research Council MC_UU_00011/7Medical Research Council MC_UU_12013/1Medical Research Council MC_UU_12013/3Medical Research Council MC_UU_12013/6Medical Research Council MC_UU_12013/8
6 · The paper itself

Abstract

objectivesTo investigate whether the association between subjective wellbeing (subjective happiness and life satisfaction) and cardiometabolic health is causal.

designTwo sample, bidirectional mendelian randomisation study.

settingGenetic data taken from various cohorts comprised of the general population (mostly individuals of European ancestry, plus a small proportion of other ancestries); follow-up analysis included individuals from the United Kingdom.

participantsSummary data were used from previous genome wide association studies (number of participants ranging from 83 198 to 339 224), which investigated traits related to cardiovascular or metabolic health, had the largest sample sizes, and consisted of the most similar populations while minimising sample overlap. A follow-up analysis included 337 112 individuals from the UK Biobank (54% female (n=181 363), mean age 56.87 years (standard deviation 8.00) at recruitment).

main outcome measuresSubjective wellbeing and 11 measures of cardiometabolic health (coronary artery disease; myocardial infarction; total, high density lipoprotein, and low density lipoprotein cholesterol; diastolic and systolic blood pressure; body fat; waist to hip ratio; waist circumference; and body mass index).

resultsEvidence of a causal effect of body mass index on subjective wellbeing was seen; each 1 kg/m

conclusionsThese results suggest that a higher body mass index is associated with a lower subjective wellbeing. A follow-up analysis confirmed this finding, suggesting that the effect in middle aged people could be driven by satisfaction with health. Body mass index is a modifiable determinant, and therefore, this study provides further motivation to tackle the obesity epidemic because of the knock-on effects of higher body mass index on subjective wellbeing.

Indexed as

Adipose TissueAdiposityBlood PressureBody Mass IndexCardiovascular DiseasesCholesterol, HDLCholesterol, LDLCoronary DiseaseFemaleGenome-Wide Association StudyHumansMaleMendelian Randomization AnalysisMiddle AgedMyocardial InfarctionSystoleCholesterol, HDLCholesterol, LDL

Identifiers

PMID30254091
PMCPMC6155050

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.