Works by Clayton, Gemma

Results: 26

Body mass index in parents and their adult offspring: A systematic review and meta‐analysis.

Published in:

Obesity Reviews, 2024, v. 25, n. 1, p. 1, doi. 10.1111/obr.13644

By:

Zhang, Jie;
Clayton, Gemma L.;
Overvad, Kim;
Olsen, Anja;
Lawlor, Deborah A.;
Dahm, Christina C.

Publication type:

Article

The Effect of Patient-Specific Cerebral Oxygenation Monitoring on Postoperative Cognitive Function: A Multicenter Randomized Controlled Trial.

Published in:

Journal of Medical Internet Research, 2015, v. 17, n. 12, p. 1, doi. 10.2196/resprot.4562

By:

Ellis, Lucy;
Murphy, Gavin J;
Culliford, Lucy;
Dreyer, Lucy;
Clayton, Gemma;
Downes, Richard;
Nicholson, Eamonn;
Stoica, Serban;
Reeves, Barnaby C;
Rogers, Chris A

Publication type:

Article

Integrating multiple lines of evidence to assess the effects of maternal BMI on pregnancy and perinatal outcomes.

Published in:

BMC Medicine, 2024, v. 22, n. 1, p. 1, doi. 10.1186/s12916-023-03167-0

By:

Borges, Maria Carolina;
Clayton, Gemma L.;
Freathy, Rachel M.;
Felix, Janine F.;
Fernández-Sanlés, Alba;
Soares, Ana Gonçalves;
Kilpi, Fanny;
Yang, Qian;
McEachan, Rosemary R. C.;
Richmond, Rebecca C.;
Liu, Xueping;
Skotte, Line;
Irizar, Amaia;
Hattersley, Andrew T.;
Bodinier, Barbara;
Scholtens, Denise M.;
Nohr, Ellen A.;
Bond, Tom A.;
Hayes, M. Geoffrey;
West, Jane

Publication type:

Article

Use of external evidence for design and Bayesian analysis of clinical trials: a qualitative study of trialists' views.

Published in:

2021

By:

Clayton, Gemma L.;
Elliott, Daisy;
Higgins, Julian P. T.;
Jones, Hayley E.

Publication type:

journal article

Empirical Evidence of Study Design Biases in Randomized Trials: Systematic Review of Meta-Epidemiological Studies.

Published in:

PLoS ONE, 2016, v. 11, n. 7, p. 1, doi. 10.1371/journal.pone.0159267

By:

Page, Matthew J.;
Higgins, Julian P. T.;
Clayton, Gemma;
Sterne, Jonathan A. C.;
Hróbjartsson, Asbjørn;
Savović, Jelena

Publication type:

Article

Cardiovascular health in the menopause transition: a longitudinal study of up to 3892 women with up to four repeated measures of risk factors.

Published in:

2022

By:

Clayton, Gemma L.;
Soares, Ana Gonçalves;
Kilpi, Fanny;
Fraser, Abigail;
Welsh, Paul;
Sattar, Naveed;
Nelson, Scott M.;
Tilling, Kate;
Lawlor, Deborah A.

Publication type:

journal article

Growth rate of clinically diagnosed superficial basal cell carcinoma and changes in dermoscopic features over time.

Published in:

Australasian Journal of Dermatology, 2020, v. 61, n. 4, p. 330, doi. 10.1111/ajd.13352

By:

Sykes, Adrian Jonathan;
Wlodek, Christina;
Trickey, Adam;
Clayton, Gemma L;
Oakley, Amanda

Publication type:

Article

Exploring the impact of selection bias in observational studies of COVID-19: a simulation study.

Published in:

International Journal of Epidemiology, 2023, v. 52, n. 1, p. 44, doi. 10.1093/ije/dyac221

By:

Millard, Louise A C;
Fernández-Sanlés, Alba;
Carter, Alice R;
Hughes, Rachael A;
Tilling, Kate;
Morris, Tim P;
Major-Smith, Daniel;
Griffith, Gareth J;
Clayton, Gemma L;
Kawabata, Emily;
Smith, George Davey;
Lawlor, Deborah A;
Borges, Maria Carolina

Publication type:

Article

1484Selection bias in COVID-19 research: Prospective analyses of two UK cohort studies.

Published in:

International Journal of Epidemiology, 2021, v. 50, p. 1, doi. 10.1093/ije/dyab168.442

By:

Fernández-Sanlés, Alba;
Carter, Alice;
Millard, Louise;
Smith, Dan;
Griffith, Gareth;
Clayton, Gemma;
Hughes, Rachel;
Morris, Tim;
Lawlor, Deborah;
Tilling, Kate;
Borges, Maria Carolina;
group, on behalf of the COVIDITY working

Publication type:

Article

1518Preterm birth and trajectories of cardiometabolic health measures from birth to adulthood.

Published in:

International Journal of Epidemiology, 2021, v. 50, p. 1, doi. 10.1093/ije/dyab168.137

By:

Clayton, Gemma;
Howe, Laura;
O'Keeffe, Linda;
Lewandowski, Adam;
Lawlor, Deborah;
Fraser, Abigail

Publication type:

Article

1517The effect of pregnancy on cardiovascular health in early adulthood: a difference in difference analysis.

Published in:

International Journal of Epidemiology, 2021, v. 50, p. 1, doi. 10.1093/ije/dyab168.136

By:

Clayton, Gemma;
Howe, Laura;
Parks, Chloe;
Leyland, Kirsten;
Hughes, Alun;
Fraser, Abigail

Publication type:

Article

The INVEST project: investigating the use of evidence synthesis in the design and analysis of clinical trials.

Published in:

2017

By:

Clayton, Gemma L.;
Smith, Isabelle L.;
Higgins, Julian P. T.;
Mihaylova, Borislava;
Thorpe, Benjamin;
Cicero, Robert;
Lokuge, Kusal;
Forman, Julia R.;
Tierney, Jayne F.;
White, Ian R.;
Sharples, Linda D.;
Jones, Hayley E.

Publication type:

journal article

Time-sensitive testing pressures and COVID-19 outcomes: are socioeconomic inequalities over the first year of the pandemic explained by selection bias?

Published in:

BMC Public Health, 2023, v. 23, n. 1, p. 1, doi. 10.1186/s12889-023-16767-5

By:

Carter, Alice R;
Clayton, Gemma L;
Borges, M Carolina;
Howe, Laura D;
Hughes, Rachael A;
Smith, George Davey;
Lawlor, Deborah A;
Tilling, Kate;
Griffith, Gareth J

Publication type:

Article

Systematic Review of Clinical Prediction Models for the Risk of Emergency Caesarean Births.

Published in:

BJOG: An International Journal of Obstetrics & Gynaecology, 2025, v. 132, n. 3, p. 231, doi. 10.1111/1471-0528.17948

By:

Hunt, Alexandra;
Bonnett, Laura;
Heron, Jon;
Lawton, Michael;
Clayton, Gemma;
Smith, Gordon;
Norman, Jane;
Kenny, Louise;
Lawlor, Deborah;
Merriel, Abi;
McGuiness, Sheelagh;
Davies, Anna;
Lavender, Dame Tina;
Burden, Christy;
Ives, Jonathan;
Grant, Simon;
Abdel‐Fattah, Sherif;
Bakhbakhi, Danya;
Demetri, Andrew;
Black, Mairead

Publication type:

Article

Preterm Birth and Cardiometabolic Health Trajectories From Birth to Adulthood: The Avon Longitudinal Study of Parents and Children.

Published in:

Journal of the American Heart Association, 2025, v. 14, n. 3, p. 1, doi. 10.1161/JAHA.123.030823

By:

Clayton, Gemma L.;
Howe, Laura D.;
O'Keeffe, Linda M.;
Lewandowski, Adam J.;
Lawlor, Deborah A.;
Fraser, Abigail

Publication type:

Article

The impact of reproductive factors on the metabolic profile of females from menarche to menopause.

Published in:

Nature Communications, 2024, v. 15, n. 1, p. 1, doi. 10.1038/s41467-023-44459-6

By:

Clayton, Gemma L.;
Borges, Maria Carolina;
Lawlor, Deborah A.

Publication type:

Article

Maternal Pre-Pregnancy BMI, Offspring Adiposity in Late Childhood, and Age of Weaning: A Causal Mediation Analysis.

Published in:

Nutrients, 2023, v. 15, n. 13, p. 2970, doi. 10.3390/nu15132970

By:

Zhang, Jie;
Clayton, Gemma L.;
Hansen, Stefan Nygaard;
Olsen, Anja;
Lawlor, Deborah A.;
Dahm, Christina C.

Publication type:

Article

How Often Do Safety Signals Occur by Chance in First‐in‐Human Trials?

Published in:

CTS: Clinical & Translational Science, 2018, v. 11, n. 5, p. 471, doi. 10.1111/cts.12558

By:

Clayton, Gemma L.;
Schachter, Asher D.;
Magnusson, Baldur;
Li, Yue;
Colin, Laurence

Publication type:

Article

Social inequalities in pregnancy metabolic profile: findings from the multi-ethnic Born in Bradford cohort study.

Published in:

BMC Pregnancy & Childbirth, 2024, v. 24, n. 1, p. 1, doi. 10.1186/s12884-024-06538-4

By:

Elhakeem, Ahmed;
Clayton, Gemma L.;
Soares, Ana Goncalves;
Taylor, Kurt;
Maitre, Léa;
Santorelli, Gillian;
Wright, John;
Lawlor, Deborah A.;
Vrijheid, Martine

Publication type:

Article

Accounting for bias due to outcome data missing not at random: comparison and illustration of two approaches to probabilistic bias analysis: a simulation study.

Published in:

BMC Medical Research Methodology, 2024, v. 24, n. 1, p. 1, doi. 10.1186/s12874-024-02382-4

By:

Kawabata, Emily;
Major-Smith, Daniel;
Clayton, Gemma L.;
Shapland, Chin Yang;
Morris, Tim P.;
Carter, Alice R.;
Fernández-Sanlés, Alba;
Borges, Maria Carolina;
Tilling, Kate;
Griffith, Gareth J.;
Millard, Louise A. C.;
Smith, George Davey;
Lawlor, Deborah A.;
Hughes, Rachael A.

Publication type:

Article

Comparison of alternate preparative techniques on wall thickness in coronary artery bypass grafts: The HArVeST randomized controlled trial.

Published in:

2021

By:

Angelini, Gianni D.;
Johnson, Tom;
Culliford, Lucy;
Murphy, Gavin;
Ashton, Kate;
Harris, Tracy;
Edwards, Julia;
Clayton, Gemma;
Kim, Yongcheol;
Newby, Andrew C.;
Reeves, Barney C.;
Rogers, Chris A.

Publication type:

journal article

Photography of the Histological and Radiological Analysis of the Ligaments of the Distal Radioulnar Joint.

Published in:

Journal of Visual Communication in Medicine, 2013, v. 36, n. 1/2, p. 20, doi. 10.3109/17453054.2013.790128

By:

Clayton, Gemma

Publication type:

Article

Combining meta‐epidemiological study datasets on commercial funding of randomised clinical trials: Database, methods, and descriptive results of the COMFIT study.

Published in:

Research Synthesis Methods, 2022, v. 13, n. 2, p. 214, doi. 10.1002/jrsm.1527

By:

Nejstgaard, Camilla Hansen;
Lundh, Andreas;
Abdi, Suhayb;
Clayton, Gemma;
Gelle, Mustafe Hassan Adan;
Laursen, David Ruben Teindl;
Olorisade, Babatunde Kazeem;
Savović, Jelena;
Hróbjartsson, Asbjørn

Publication type:

Article

Ten questions to consider when interpreting results of a meta‐epidemiological study—the MetaBLIND study as a case.

Published in:

Research Synthesis Methods, 2020, v. 11, n. 2, p. 260, doi. 10.1002/jrsm.1392

By:

Moustgaard, Helene;
Jones, Hayley E;
Savović, Jelena;
Clayton, Gemma L;
Sterne, Jonathan AC;
Higgins, Julian PT;
Hróbjartsson, Asbjørn

Publication type:

Article

Metabolomic Identification of a Novel, Externally Validated Predictive Test for Gestational Diabetes Mellitus.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2022, v. 107, n. 8, p. e3479, doi. 10.1210/clinem/dgac240

By:

Sovio, Ulla;
Clayton, Gemma L.;
Cook, Emma;
Gaccioli, Francesca;
Charnock-Jones, D. Stephen;
Lawlor, Deborah A.;
Smith, Gordon C. S.

Publication type:

Article

Changes in women's physical function in mid-life by reproductive age and hormones: a longitudinal study.

Published in:

BMC Women's Health, 2022, v. 22, n. 1, p. 1, doi. 10.1186/s12905-022-02070-9

By:

Kilpi, Fanny;
Soares, Ana Goncalves;
Clayton, Gemma L.;
Fraser, Abigail;
Welsh, Paul;
Sattar, Naveed;
Nelson, Scott M.;
Tilling, Kate;
Lawlor, Deborah A.

Publication type:

Article