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Items: 43


Varenicline versus nicotine replacement therapy for long-term smoking cessation: an observational study using the Clinical Practice Research Datalink.

Davies NM, Taylor AE, Taylor GM, Itani T, Jones T, Martin RM, Munafò MR, Windmeijer F, Thomas KH.

Health Technol Assess. 2020 Feb;24(9):1-46. doi: 10.3310/hta24090.


On the Use of the Lasso for Instrumental Variables Estimation with Some Invalid Instruments.

Windmeijer F, Farbmacher H, Davies N, Davey Smith G.

J Am Stat Assoc. 2018 Nov 13;114(527):1339-1350. doi: 10.1080/01621459.2018.1498346. eCollection 2019.


Prescribing Prevalence, Effectiveness, and Mental Health Safety of Smoking Cessation Medicines in Patients With Mental Disorders.

Taylor GMJ, Itani T, Thomas KH, Rai D, Jones T, Windmeijer F, Martin RM, Munafò MR, Davies NM, Taylor AE.

Nicotine Tob Res. 2020 Jan 27;22(1):48-57. doi: 10.1093/ntr/ntz072.


An examination of multivariable Mendelian randomization in the single-sample and two-sample summary data settings.

Sanderson E, Davey Smith G, Windmeijer F, Bowden J.

Int J Epidemiol. 2019 Jun 1;48(3):713-727. doi: 10.1093/ije/dyy262.


The Causal Effects of Education on Health Outcomes in the UK Biobank.

Davies NM, Dickson M, Davey Smith G, van den Berg GJ, Windmeijer F.

Nat Hum Behav. 2018 Feb;2(2):117-125. doi: 10.1038/s41562-017-0279-y. Epub 2018 Jan 29. No abstract available.


The effects of prescribing varenicline on two-year health outcomes: an observational cohort study using electronic medical records.

Davies NM, Taylor GMJ, Taylor AE, Jones T, Martin RM, Munafò MR, Windmeijer F, Thomas KH.

Addiction. 2018 Jun;113(6):1105-1116. doi: 10.1111/add.14146. Epub 2018 Feb 20.


The effectiveness of varenicline versus nicotine replacement therapy on long-term smoking cessation in primary care: a prospective cohort study of electronic medical records.

Taylor GMJ, Taylor AE, Thomas KH, Jones T, Martin RM, Munafò MR, Windmeijer F, Davies NM.

Int J Epidemiol. 2017 Dec 1;46(6):1948-1957. doi: 10.1093/ije/dyx109.


Power calculator for instrumental variable analysis in pharmacoepidemiology.

Walker VM, Davies NM, Windmeijer F, Burgess S, Martin RM.

Int J Epidemiol. 2017 Oct 1;46(5):1627-1632. doi: 10.1093/ije/dyx090.


How to compare instrumental variable and conventional regression analyses using negative controls and bias plots.

Davies NM, Thomas KH, Taylor AE, Taylor GMJ, Martin RM, Munafò MR, Windmeijer F.

Int J Epidemiol. 2017 Dec 1;46(6):2067-2077. doi: 10.1093/ije/dyx014.


Robust inference for the Two-Sample 2SLS estimator.

Pacini D, Windmeijer F.

Econ Lett. 2016 Sep;146:50-54.


How to sell a condom? The impact of demand creation tools on male and female condom sales in resource limited settings.

Terris-Prestholt F, Windmeijer F.

J Health Econ. 2016 Jul;48:107-20. doi: 10.1016/j.jhealeco.2016.04.001. Epub 2016 Apr 30.


A weak instrument [Formula: see text]-test in linear IV models with multiple endogenous variables.

Sanderson E, Windmeijer F.

J Econom. 2016 Feb;190(2):212-221. doi: 10.1016/j.jeconom.2015.06.004.


Genetic markers as instrumental variables.

von Hinke S, Davey Smith G, Lawlor DA, Propper C, Windmeijer F.

J Health Econ. 2016 Jan;45:131-48. doi: 10.1016/j.jhealeco.2015.10.007. Epub 2015 Nov 10.


The role of common genetic variation in educational attainment and income: evidence from the National Child Development Study.

Davies NM, Hemani G, Timpson NJ, Windmeijer F, Davey Smith G.

Sci Rep. 2015 Nov 12;5:16509. doi: 10.1038/srep16509.


What are the effects of varenicline compared with nicotine replacement therapy on long-term smoking cessation and clinically important outcomes? Protocol for a prospective cohort study.

Davies NM, Taylor G, Taylor AE, Thomas KH, Windmeijer F, Martin RM, Munafò MR.

BMJ Open. 2015 Nov 5;5(11):e009665. doi: 10.1136/bmjopen-2015-009665.


More reliable inference for the dissimilarity index of segregation.

Allen R, Burgess S, Davidson R, Windmeijer F.

Econom J. 2015 Feb;18(1):40-66. Epub 2015 Mar 18.


The many weak instruments problem and Mendelian randomization.

Davies NM, von Hinke Kessler Scholder S, Farbmacher H, Burgess S, Windmeijer F, Smith GD.

Stat Med. 2015 Feb 10;34(3):454-68. doi: 10.1002/sim.6358. Epub 2014 Nov 10.


Keep it simple? Predicting primary health care costs with clinical morbidity measures.

Brilleman SL, Gravelle H, Hollinghurst S, Purdy S, Salisbury C, Windmeijer F.

J Health Econ. 2014 May;35:109-22. doi: 10.1016/j.jhealeco.2014.02.005. Epub 2014 Mar 2.


Authors' reply to Davies.

Thomas KH, Martin RM, Davies NM, Metcalfe C, Windmeijer F, Gunnell D.

BMJ. 2013 Nov 27;347:f7068. doi: 10.1136/bmj.f7068. No abstract available.


Smoking cessation treatment and risk of depression, suicide, and self harm in the Clinical Practice Research Datalink: prospective cohort study.

Thomas KH, Martin RM, Davies NM, Metcalfe C, Windmeijer F, Gunnell D.

BMJ. 2013 Oct 11;347:f5704. doi: 10.1136/bmj.f5704.


Physicians' prescribing preferences were a potential instrument for patients' actual prescriptions of antidepressants.

Davies NM, Gunnell D, Thomas KH, Metcalfe C, Windmeijer F, Martin RM.

J Clin Epidemiol. 2013 Dec;66(12):1386-96. doi: 10.1016/j.jclinepi.2013.06.008. Epub 2013 Sep 24.


Implications of comorbidity for primary care costs in the UK: a retrospective observational study.

Brilleman SL, Purdy S, Salisbury C, Windmeijer F, Gravelle H, Hollinghurst S.

Br J Gen Pract. 2013 Apr;63(609):e274-82. doi: 10.3399/bjgp13X665242.


Issues in the reporting and conduct of instrumental variable studies: a systematic review.

Davies NM, Smith GD, Windmeijer F, Martin RM.

Epidemiology. 2013 May;24(3):363-9. doi: 10.1097/EDE.0b013e31828abafb. Review.


COX-2 selective nonsteroidal anti-inflammatory drugs and risk of gastrointestinal tract complications and myocardial infarction: an instrumental variable analysis.

Davies NM, Smith GD, Windmeijer F, Martin RM.

Epidemiology. 2013 May;24(3):352-62. doi: 10.1097/EDE.0b013e318289e024.


Child height, health and human capital: Evidence using genetic markers.

von Hinke Kessler Scholder S, Davey Smith G, Lawlor DA, Propper C, Windmeijer F.

Eur Econ Rev. 2013 Jan;57:1-22.


Validation of suicide and self-harm records in the Clinical Practice Research Datalink.

Thomas KH, Davies N, Metcalfe C, Windmeijer F, Martin RM, Gunnell D.

Br J Clin Pharmacol. 2013 Jul;76(1):145-57. doi: 10.1111/bcp.12059.


The effect of fat mass on educational attainment: examining the sensitivity to different identification strategies.

von Hinke Kessler Scholder S, Davey Smith G, Lawlor DA, Propper C, Windmeijer F.

Econ Hum Biol. 2012 Dec;10(4):405-18. doi: 10.1016/j.ehb.2012.04.015. Epub 2012 Jun 2.


Is infant weight associated with childhood blood pressure? Analysis of the Promotion of Breastfeeding Intervention Trial (PROBIT) cohort.

Tilling K, Davies N, Windmeijer F, Kramer MS, Bogdanovich N, Matush L, Patel R, Smith GD, Ben-Shlomo Y, Martin RM; Promotion of Breastfeeding Intervention Trial (PROBIT) study group.

Int J Epidemiol. 2011 Oct;40(5):1227-37. doi: 10.1093/ije/dyr119. Epub 2011 Sep 3.


Economic instruments for obesity prevention: results of a scoping review and modified Delphi survey.

Faulkner GE, Grootendorst P, Nguyen VH, Andreyeva T, Arbour-Nicitopoulos K, Auld MC, Cash SB, Cawley J, Donnelly P, Drewnowski A, Dubé L, Ferrence R, Janssen I, Lafrance J, Lakdawalla D, Mendelsen R, Powell LM, Traill WB, Windmeijer F.

Int J Behav Nutr Phys Act. 2011 Oct 6;8:109. doi: 10.1186/1479-5868-8-109. Review.


Mendelian randomization: the use of genes in instrumental variable analyses.

von Hinke Kessler Scholder S, Smith GD, Lawlor DA, Propper C, Windmeijer F.

Health Econ. 2011 Aug;20(8):893-6. doi: 10.1002/hec.1746. Epub 2011 May 24. No abstract available.


Use of genotype frequencies in medicated groups to investigate prescribing practice: APOE and statins as a proof of principle.

Davies NM, Windmeijer F, Martin RM, Abdollahi MR, Smith GD, Lawlor DA, Ebrahim S, Day IN.

Clin Chem. 2011 Mar;57(3):502-10. doi: 10.1373/clinchem.2010.156356. Epub 2011 Jan 12.


Identification of causal effects on binary outcomes using structural mean models.

Clarke PS, Windmeijer F.

Biostatistics. 2010 Oct;11(4):756-70. doi: 10.1093/biostatistics/kxq024. Epub 2010 Jun 3.


The cost of relapse for patients with a manic/mixed episode of bipolar disorder in the EMBLEM study.

Hong J, Reed C, Novick D, Haro JM, Windmeijer F, Knapp M.

Pharmacoeconomics. 2010;28(7):555-66. doi: 10.2165/11535200-000000000-00000.


The cost of relapse in patients with schizophrenia in the European SOHO (Schizophrenia Outpatient Health Outcomes) study.

Hong J, Windmeijer F, Novick D, Haro JM, Brown J.

Prog Neuropsychopharmacol Biol Psychiatry. 2009 Aug 1;33(5):835-41. doi: 10.1016/j.pnpbp.2009.03.034. Epub 2009 Apr 5.


Is Mendelian randomization 'lost in translation?': comments on 'Mendelian randomization equals instrumental variable analysis with genetic instruments' by Wehby et al.

Lawlor DA, Windmeijer F, Smith GD.

Stat Med. 2008 Jul 10;27(15):2750-5. doi: 10.1002/sim.3308. No abstract available.


Cost-utility analysis of treatment with olanzapine compared with other antipsychotic treatments in patients with schizophrenia in the pan-European SOHO study.

Knapp M, Windmeijer F, Brown J, Kontodimas S, Tzivelekis S, Haro JM, Ratcliffe M, Hong J, Novick D; SOHO Study Group.

Pharmacoeconomics. 2008;26(4):341-58.


Methodological approach for assessing the cost-effectiveness of treatments using longitudinal observational data: the SOHO study.

Windmeijer F, Kontodimas S, Knapp M, Brown J, Haro JM.

Int J Technol Assess Health Care. 2006 Fall;22(4):460-8.


Methodological aspects in the assessment of treatment effects in observational health outcomes studies.

Haro JM, Kontodimas S, Negrin MA, Ratcliffe M, Suarez D, Windmeijer F.

Appl Health Econ Health Policy. 2006;5(1):11-25. Review.


Waiting lists, waiting times and admissions: an empirical analysis at hospital and general practice level.

Windmeijer F, Gravelle H, Hoonhout P.

Health Econ. 2005 Sep;14(9):971-85.


Pharmaceutical promotion and GP prescription behaviour.

Windmeijer F, de Laat E, Douven R, Mot E.

Health Econ. 2006 Jan;15(1):5-18.


Modelling supply and demand influences on the use of health care: implications for deriving a needs-based capitation formula.

Gravelle H, Sutton M, Morris S, Windmeijer F, Leyland A, Dibben C, Muirhead M.

Health Econ. 2003 Dec;12(12):985-1004.


Identifying demand for health resources using waiting times information.

Blundell R, Windmeijer F.

Health Econ. 2000 Sep;9(6):465-74.


Cluster effects and simultaneity in multilevel models.

Blundell R, Windmeijer F.

Health Econ. 1997 Jul-Aug;6(4):439-43.


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