SynthesisBMJ open2015
Heavier smoking may lead to a relative increase in waist circumference: evidence for a causal relationship from a Mendelian randomisation meta-analysis. The CARTA consortium.
Synthesis in BMJ open, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 29 papers, 3 of them syntheses that pooled it.
What it found
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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.
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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.
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Who cites it
29 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Association of serum leptin and ghrelin levels with smoking status on body weight: a systematic review and meta-analysis.Frontiers in psychiatry · 2023Pooled it
- Investigating the causal effect of smoking on hay fever and asthma: a Mendelian randomization meta-analysis in the CARTA consortium.Scientific reports · 2017Pooled it
- Genome-wide meta-analysis of 241,258 adults accounting for smoking behaviour identifies novel loci for obesity traits.Nature communications · 2017Pooled it
- Article
- Reassessing the link between adiposity and head and neck cancer: a Mendelian randomization study.eLife · 2025Article
- Article
- Association of cigarette smoking with cardiometabolic risk factors: A cross-sectional study.Tobacco induced diseases · 2024Article
- Relationship between body fat ratio and inflammatory markers in a Chinese population of adult male smokers.Preventive medicine reports · 2023Review
- Central and peripheral actions of nicotine that influence blood glucose homeostasis and the development of diabetes.Pharmacological research · 2023Review
- Relationship Between Heart Disease and Obesity Indicators Among Adults: A Secondary Data Analysis.Cureus · 2023Article
- Prevalence of Cardiovascular Risk Factors in Middle-Aged Lithuanian Men Based on Body Mass Index and Waist Circumference Group Results from the 2006-2016 Lithuanian High Cardiovascular Risk Prevention Program.Medicina (Kaunas, Lithuania) · 2022Article
- Association of Smoking with the Severity ofArchives of Razi Institute · 2022Article
- Association of Physical Activity with Anthropometrics Variables and Health-Related Risks in Healthy Male Smokers.International journal of environmental research and public health · 2022Article
- Prevalence of smoking (cigarette and waterpipe) and its association with obesity/overweight in UAE and Palestine.Frontiers in public health · 2022Article
- Cigarette Smoking and Estrogen-Related Cancer.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2021Review
- Effect of Maternal Prepregnancy/Early-Pregnancy Body Mass Index and Pregnancy Smoking and Alcohol on Congenital Heart Diseases: A Parental Negative Control Study.Journal of the American Heart Association · 2021Article
- Article
- Article
- Associations of tobacco smoking with body mass distribution; a population-based study of 65,875 men and women in midlife.BMC public health · 2019Article
- Causal relationships between obesity and the leading causes of death in women and men.PLoS genetics · 2019Article
Corrections and comments
- Erratum issued
Authors and funding
62 authors.
Funding
Abstract
objectivesTo investigate, using a Mendelian randomisation approach, whether heavier smoking is associated with a range of regional adiposity phenotypes, in particular those related to abdominal adiposity.
designMendelian randomisation meta-analyses using a genetic variant (rs16969968/rs1051730 in the CHRNA5-CHRNA3-CHRNB4 gene region) as a proxy for smoking heaviness, of the associations of smoking heaviness with a range of adiposity phenotypes.
participants148,731 current, former and never-smokers of European ancestry aged ≥ 16 years from 29 studies in the consortium for Causal Analysis Research in Tobacco and Alcohol (CARTA). PRIMARY OUTCOME MEASURES: Waist and hip circumferences, and waist-hip ratio.
resultsThe data included up to 66,809 never-smokers, 43,009 former smokers and 38,913 current daily cigarette smokers. Among current smokers, for each extra minor allele, the geometric mean was lower for waist circumference by -0.40% (95% CI -0.57% to -0.22%), with effects on hip circumference, waist-hip ratio and body mass index (BMI) being -0.31% (95% CI -0.42% to -0.19), -0.08% (-0.19% to 0.03%) and -0.74% (-0.96% to -0.51%), respectively. In contrast, among never-smokers, these effects were higher by 0.23% (0.09% to 0.36%), 0.17% (0.08% to 0.26%), 0.07% (-0.01% to 0.15%) and 0.35% (0.18% to 0.52%), respectively. When adjusting the three central adiposity measures for BMI, the effects among current smokers changed direction and were higher by 0.14% (0.05% to 0.22%) for waist circumference, 0.02% (-0.05% to 0.08%) for hip circumference and 0.10% (0.02% to 0.19%) for waist-hip ratio, for each extra minor allele.
conclusionsFor a given BMI, a gene variant associated with increased cigarette consumption was associated with increased waist circumference. Smoking in an effort to control weight may lead to accumulation of central adiposity.
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