Positions

Selected Publications

Academic Article

Year Title Altmetric
2018 Factor VIII in Acute Cerebral Ischemia Pilot Study: Biomarker in Patients With Large Vessel Occlusion?Clinical and Applied Thrombosis/Hemostasis.  24:1249-1254. 2018
2018 Trajectories of Community Mobility Recovery After Hospitalization in Older AdultsJournal of the American Geriatrics Society.  66:1399-1403. 2018
2018 Influence of Age on Warfarin Dose, Anticoagulation Control, and Risk of HemorrhagePharmacotherapy: The Journal of Human Pharmacology and Drug Therapy.  38:588-596. 2018
2018 GSK3β Regulates Brain Energy MetabolismCell Reports.  23:1922-1931.e4. 2018
2018 Dynamic 3T pelvic floor magnetic resonance imaging in women progressing from the nulligravid to the primiparous stateInternational Urogynecology Journal.  29:735-744. 2018
2017 The relationship between single and two-dimensional indices of left ventricular size using hemodynamic transesophageal echocardiography in trauma and burn patientsCritical Ultrasound Journal.  9. 2017
2017 Influence of Kidney Transplant Status on Warfarin Dose, Anticoagulation Control, and Risk of HemorrhagePharmacotherapy: The Journal of Human Pharmacology and Drug Therapy.  37:1366-1373. 2017
2017 Age and sex disparities in discharge statin prescribing in the stroke belt: Evidence from the reasons for geographic and racial differences in stroke studyJournal of the American Heart Association : Cardiovascular and Cerebrovascular Disease.  6. 2017
2017 Influence of common and rare genetic variation on warfarin dose among African-Americans and European-Americans using the exome arrayPharmacogenomics.  18:1059-1073. 2017
2017 Racial differences in statin adherence following hospital discharge for ischemic strokeNeurology.  88:1839-1848. 2017
2017 Caloric restriction improves health and survival of rhesus monkeysNature Communications.  8. 2017
2017 Anticoagulation control in patients with ventricular assist devicesASAIO Journal.  63:759-765. 2017
2017 Psychometric evaluation of an online and paper accidental bowel leakage questionnaire: The ICIQ-B questionnaireNeurourology and Urodynamics.  36:166-170. 2017
2017 Quality of anticoagulation control and hemorrhage risk among African American and European American warfarin usersPharmacogenetics -London-.  27:347-355. 2017
2016 Addressing stroke risk factors in Black and White Americans: Findings from the national health and nutrition examination survey, 2009-2010Ethnicity and Disease.  26:9-16. 2016
2016 Effect of Left Ventricular Systolic Dysfunction on Response to WarfarinAmerican Journal of Cardiology.  118:232-236. 2016
2016 Improved identification of sternal injuries with multidetector computed tomography (MDCT): Sagittal reconstructionsClinical Imaging.  40:739-744. 2016
2016 Effects of Sex, Strain, and Energy Intake on Hallmarks of Aging in MiceCell Metabolism.  23:1093-1112. 2016
2016 Common scientific and statistical errors in obesity researchObesity Research.  24:781-790. 2016
2016 Race-Specific Influence of CYP4F2 on Dose and Risk of Hemorrhage among Warfarin UsersPharmacotherapy: The Journal of Human Pharmacology and Drug Therapy.  36:263-272. 2016
2016 Regional metabolic heterogeneity of the hippocampus is nonuniformly impacted by age and caloric restrictionAging Cell.  15:100-110. 2016
2015 Performance of OLS and HCCM Estimators in Heteroscedastic ANCOVA Models.General Linear Model Journal, 41(2), 13-21..  41:13-12. 2015
2015 Multireader evaluation of lesion conspicuity in small pancreatic adenocarcinomas: complimentary value of iodine material density and low keV simulated monoenergetic images using multiphasic rapid kVp-switching dual energy CTGastrointestinal radiology.  40:1230-1240. 2015
2015 Hyperinsulinemia/diabetes, hearing, and aging in the University of Wisconsin calorie restriction monkeysHearing Research.  328:78-86. 2015
2015 Predictors of Thromboembolic Events in Patients with Ventricular Assist DeviceASAIO Journal2015
2015 Race influences warfarin dose changes associated with genetic factorsBlood.  126:539-545. 2015
2015 Prolonged treatment with bevacizumab is associated with brain atrophy: a pilot study in patients with high-grade gliomasJournal of Neuro-Oncology.  122:585-593. 2015
2015 A simple prediction score for developing a hospital-acquired infection after acute ischemic strokeJournal of Stroke and Cerebrovascular Diseases.  24:680-686. 2015
2015 Dynamic contrast-enhanced MRI evaluates the early response of human head and neck tumor xenografts following anti-EMMPRIN therapy with cisplatin or irradiationJournal of Magnetic Resonance Imaging.  42:936-945. 2015
2015 Influence of Kidney Function on Risk of Supratherapeutic International Normalized Ratio-Related Hemorrhage in Warfarin Users: A Prospective Cohort StudyAmerican Journal of Kidney Diseases.  65:701-709. 2015
2015 Loperamide Versus Psyllium Fiber for Treatment of Fecal Incontinence: The Fecal Incontinence Prescription (Rx) Management (FIRM) Randomized Clinical TrialDiseases of the Colon and Rectum.  58:983-993. 2015
2015 Prolonged Emergency Department Length of Stay as a Predictor of Adverse Outcomes in Patients with Intracranial Hemorrhage.Journal of Critical Care Medicine.  2015. 2015
2015 The impact of absent A1 segment on ischemic stroke characteristics and outcomesJournal of Stroke and Cerebrovascular Diseases.  24:171-175. 2015
2014 Social History Matters-The Impact of Illicit Drug Use on tPA Use and In-Hospital Mortality in Acute Ischemic Stroke.International Neuropsychiatric Disease Journal.  2:127-135. 2014
2014 Caloric restriction reduces age-related and all-cause mortality in rhesus monkeysNature Communications.  5. 2014
2014 Antagonistic effects of anti-EMMPRIN antibody when combined with chemotherapy against hypovascular pancreatic cancersClinical Positron Imaging.  16:85-94. 2014
2014 Early therapy assessment of combined anti-DR5 antibody and carboplatin in triple-negative breast cancer xenografts in mice using diffusion-weighted imaging and1H MR spectroscopyJournal of Magnetic Resonance Imaging.  39:1588-1594. 2014
2014 Erratum to: Pancreatic adenocarcinoma: a pilot study of quantitative perfusion and diffusion-weighted breath-hold magnetic resonance imaging (Abdom Imaging (2014) 39, (744–752) 10.1007/s00261-014-0107-z)Gastrointestinal radiology.  39:1143. 2014
2014 Influence of regular physical activity on warfarin dose and risk of hemorrhagic complicationsPharmacotherapy: The Journal of Human Pharmacology and Drug Therapy.  34:545-554. 2014
2014 Low-density lipoprotein and intracerebral hematoma expansion in daily alcohol users.Cerebrovascular Diseases Extra.  4:1-8. 2014
2014 New Thrombotic Events in Ischemic Stroke Patients with Elevated Factor VIII.Thrombosis.  2014:302861. 2014
2014 Persistent leukocytosis - Is this a persistent problem for patients with acute ischemic stroke?Journal of Stroke and Cerebrovascular Diseases.  23:1939-1943. 2014
2014 Predictors of recovery of functional swallow after gastrostomy tube placement for dysphagia in stroke patients after inpatient rehabilitation: A pilot studyAnnals of Rehabilitation Medicine.  38:467-475. 2014
2014 Predictors of systemic inflammatory response syndrome in ischemic stroke undergoing systemic thrombolysis with intravenous tissue plasminogen activatorJournal of Stroke and Cerebrovascular Diseases.  23. 2014
2014 Quantitative perfusion- and diffusion-weighted magnetic resonance imaging of gastrointestinal cancers treated with multikinase inhibitors: A pilot studyGastrointestinal cancer research : GCR.  7:75-81. 2014
2014 Racial and gender differences in stroke severity, outcomes, and treatment in patients with acute ischemic strokeJournal of Stroke and Cerebrovascular Diseases.  23. 2014
2014 Tests of mediation: Paradoxical decline in statistical power as a function of mediator collinearityJournal of Experimental Education.  82:283-306. 2014
2014 The Impact of Myocardial Infarction vs. Pneumonia on Outcome in Acute Ischemic Stroke.Journal of cardiovascular disease.  2:1-3. 2014
2013 Inpatient rehabilitation centers and concern for increasing volume of ischemic stroke patients requiring rehabilitationSouthern Medical Journal.  106:693-696. 2013
2013 Randomized controlled trial of the Medifast 5 & 1 plan for weight lossInternational Journal of Obesity.  37:1571-1578. 2013
2013 Nadir hemoglobin is associated with poor outcome from intracerebral hemorrhageSpringerPlus.  2:1-5. 2013
2013 A proposal for the classification of etiologies of neurologic deterioration after acute ischemic strokeJournal of Stroke and Cerebrovascular Diseases.  22. 2013
2013 Acute decrease in serum magnesium level after ischemic stroke may not predict decrease in neurologic functionJournal of Stroke and Cerebrovascular Diseases.  22. 2013
2013 Infections present on admission compared with hospital-acquired infections in acute ischemic stroke patientsJournal of Stroke and Cerebrovascular Diseases.  22. 2013
2013 Vitamin K intake, body mass index and warfarin maintenance doseCardiology.  126:214-218. 2013
2013 Cardiac Function and Short-Term Outcome in Patients with Acute Ischemic Stroke: A Cross-Sectional Study.Journal of cardiovascular disease.  1:26-29. 2013
2013 Identification of modifiable and nonmodifiable risk factors for neurologic deterioration after acute ischemic strokeJournal of Stroke and Cerebrovascular Diseases.  22. 2013
2013 Short-term bleeding events observed with clopidogrel loading in acute ischemic stroke patientsJournal of Stroke and Cerebrovascular Diseases.  22:1184-1189. 2013
2013 Hospital-Acquired Infection Underlies Poor Functional Outcome in Patients with Prolonged Length of Stay.ISRN Stroke.  2013. 2013
2013 Systemic inflammatory response syndrome in tissue-type plasminogen activator-treated patients is associated with worse short-term functional outcomeStroke.  44:2321-2323. 2013
2013 Diffusion Weighted Imaging Evaluated the Early Therapy Effect of Tamoxifen in an MNU-Induced Mammary Cancer Rat ModelPLoS ONE.  8. 2013
2013 BMI but Not Race Contributes to Vitamin D-Parathyroid Hormone Axis in Peripubertal GirlsICAN: Infant, Child, and Adolescent Nutrition.  5:100-105. 2013
2013 Influence of kidney function on risk of hemorrhage among patients taking warfarin: A cohort studyAmerican Journal of Kidney Diseases.  61:354-357. 2013
2013 24-Hour ICH Score Is a Better Predictor of Outcome than Admission ICH Score.ISRN Stroke.  2013. 2013
2012 Impact of caloric restriction on health and survival in rhesus monkeys from the NIA studyNature.  489:318-321. 2012
2012 Examining the Association Between Body Mass Index and Weight Related Quality of Life in Black and White WomenApplied Research in Quality of Life.  7:309-322. 2012
2012 Getting carried away: A note showing baseline observation carried forward (BOCF) results can be calculated from published complete-cases resultsInternational Journal of Obesity.  36:886-889. 2012
2012 Randomized controlled trial of chewing gum for weight lossObesity Research.  20:547-552. 2012
2012 Parental feeding practices and socioeconomic status are associated with child adiposity in a multi-ethnic sample of childrenAppetite.  58:347-353. 2012
2011 Validity and power of missing data imputation for extreme sampling and terminal measures designs in mediation analysisFrontiers in Genetics.  2. 2011
2011 Body fat and racial genetic admixture are associated with aerobic fitness levels in a multiethnic pediatric populationObesity Research.  19:2222-2227. 2011
2011 Body image as a mediator of the relationship between body mass index and weight-related quality of life in black womenJournal of Women's Health.  20:1573-1578. 2011
2011 Intramyocellular lipid and insulin resistance: Differential relationships in European and African AmericansObesity Research.  19:1469-1475. 2011
2011 Beyond thriftiness: Independent and interactive effects of genetic and dietary factors on variations in fat deposition and distribution across populationsAmerican Journal of Physical Anthropology.  145:181-191. 2011
2011 Ancestry-informative markers on chromosomes 2, 8 and 15 are associated with insulin-related traits in a racially diverse sample of childrenHuman Genomics.  5:79-89. 2011
2011 Canaries in the coal mine: A cross-species analysis of the plurality of obesity epidemicsProceedings of the Royal Society B: Biological Sciences.  278:1626-1632. 2011
2010 Warfarin dosing in patients with impaired kidney functionAmerican Journal of Kidney Diseases.  56:823-831. 2010
2010 Associations among calcium intake, resting energy expenditure, and body fat in a multiethnic sample of childrenJournal of Pediatrics.  157:473-478. 2010
2010 A calorie-restricted diet decreases brain iron accumulation and preserves motor performance in old rhesus monkeysJournal of Neuroscience.  30:7940-7947. 2010
2010 Auditory function in rhesus monkeys: Effects of aging and caloric restriction in the Wisconsin monkeys five years laterHearing Research.  261:75-81. 2010
2009 Rank-based inverse normal transformations are increasingly used, but are they merited?Behavior Genetics.  39:580-595. 2009
2009 Increased mortality and AIDS-like immunopathology in wild chimpanzees infected with SIVcpzNature.  460:515-519. 2009
2009 Caloric restriction delays disease onset and mortality in rhesus monkeysScience.  325:201-204. 2009
2009 Influence of CYP2C9 and VKORC1 on warfarin response during initiation of therapyBlood Cells, Molecules and Diseases.  43:119-128. 2009
2009 Kidney function influences warfarin responsiveness and hemorrhagic ComplicationsJournal of the American Society of Nephrology.  20:912-921. 2009
2008 VKORC1 polymorphims, haplotypes and haplotype groups on warfarin dose among African-Americans and European-AmericansPharmacogenomics.  9:1445-1458. 2008
2008 A pilot assessment of parental practices and attitudes regarding risk disclosure and clinical research involving children in Huntington disease familiesGenetics in Medicine.  10:811-819. 2008
2008 Influence of CYP2C9 and VKORC1 on warfarin dose, anticoagulation attainment and maintenance among European-Americans and African-AmericansPharmacogenomics.  9:511-526. 2008
2008 Simulating controlled variate and rank correlations based on the power method transformationCommunications in Statistics - Simulation and Computation.  37:602-616. 2008
2008 Influence of CYP2C9 and VKORC1 1173C/T genotype on the risk of hemorrhagic complications in African-American and European-American patients on warfarinClinical Pharmacology and Therapeutics.  83:312-321. 2008
2008 Effectiveness evaluation of the N-O-T smoking cessation program for adolescentsHealth values.  32:368-379. 2008
2007 The effect of gender and respirator brand on the association of respirator fit with facial dimensionsApplied Occupational and Environmental Hygiene.  4:923-930. 2007
2007 Influence of CYP2C9 genotype on warfarin dose among African-Americans and European-AmericansPersonalized Medicine.  4:157-169. 2007
2006 Regional admixture mapping and structured association testing: Conceptual unification and an extensible general linear modelPLoS Genetics.  2:1254-1264. 2006
2006 Racial differences in the prevalence of Factor V Leiden mutation among patients on chronic warfarin therapyBlood Cells, Molecules and Diseases.  37:100-106. 2006
2006 Racial or ethnic differences in allele frequencies of sinqle-nucleotide polymorphisms in the methylenetetrahydrofolate reductase gene and their influence on response to methotrexate in rheumatoid arthritisAnnals of the Rheumatic Diseases.  65:1213-1218. 2006
2006 Regional admixture mapping and structured association testing: conceptual unification and an extensible general linear model.PLoS Genetics.  2. 2006
2006 Systemic lupus erythematosus in a multi-ethnic cohort (LUMINA): Contributions of admixture and socioeconomic status to renal involvementLupus.  15:26-31. 2006
2006 A proposed metric for assessing the measurement quality of individual microarraysBMC Bioinformatics.  7. 2006
2005 Ethnic disparities in health and disease: The need to account for ancestral admixture when estimating the genetic contribution to both (LUMINA XXVI) [1]Lupus.  14:867-868. 2005
2005 Empirical Bayes method for incorporating data from multiple genome scansHuman Heredity.  60:36-42. 2005
2005 Comparison of linear weighting schemes for perfect match and mismatch gene expression levels from microarray dataMolecular Diagnosis.  5:197-205. 2005
2005 New joint covariance- and marginal-based tests for association and linkage for quantitative traits for random and non-random samplingGenetic Epidemiology.  28:48-57. 2005
2004 Genetic risk factors for infection in patients with early rheumatoid arthritisGenes and Immunity.  5:641-647. 2004
2004 Joint tests for quantitative trait loci in experimental crossesGenetics Selection Evolution.  36:601-619. 2004
2004 Effect of Winsorization on Power and Type 1 Error of Variance Components and Related Methods of QTL DetectionBehavior Genetics.  34:153-159. 2004
2004 A Method for Simulating Correlated Non-Normal Systems of Linear Statistical EquationsCommunications in Statistics - Simulation and Computation.  33:19-33. 2004
2004 Chebyshev's inequality for nonparametric testing with small N and α in microarray researchJournal of the Royal Statistical Society: Series C.  53:95-108. 2004
2003 Effects of outcome-driven insurance reimbursement on short-term weight controlInternational Journal of Obesity.  27:1423-1429. 2003
2003 Effect of Box-Cox transformation on power of Haseman-Elston and maximum-likelihood variance components tests to detect quantitative trait lociHuman Heredity.  55:108-116. 2003
2003 Using genetic admixture to explain racial differences in insulin-related phenotypesDiabetes.  52:1047-1051. 2003
2003 Association of African genetic admixture with resting metabolic rate and obesity among womenObesity Research.  11:904-911. 2003
2002 Improving the power of sib pair quantitative trait loci detection by phenotype WinsorizationHuman Heredity.  53:59-67. 2002
2002 Comparison of Aligned Friedman Rank and Parametric Methods for Testing Interactions in Split-Plot DesignsMathematics Preprint Archive.  2002:412-453. 2002
2002 Bias in estimates of quantitative-trait-locus effect in genome scans: Demonstration of the phenomenon and a method-of-moments procedure for reducing biasAmerican Journal of Human Genetics.  70:575-585. 2002
2002 Multivariate aligned rank test for interactions in multiple group repeated measures designsMultivariate Behavioral Research.  37:197-226. 2002
2000 Concept mapping effects on science content comprehension of low-achieving inner-city seventh gradersRemedial and Special Education.  21:356-364. 2000
2000 Nonparametric tests for analyzing interactions among intra-block ranks in multiple group repeated measures designsJournal of Educational and Behavioral Statistics.  25:20-59. 2000
2000 Testing the robustness of the new Haseman-Elston quantitative-trait loci-mapping procedureAmerican Journal of Human Genetics.  67:249-252. 2000
1998 Factor analyses of the chronic self-destructiveness scale among delinquent and non-delinquent adolescent malesJournal of Offender Rehabilitation.  26:141-156. 1998
1997 Factors that influence health risk behaviors among tanning salon patronsEvaluation and the Health Professions.  20:371-388. 1997
1997 Incremental implementation of learning style strategies among urban low achieversJournal of Educational Research.  91:15-25. 1997
1995 Multiple regression approach to analyzing contingency tables: Post hoc and planned comparison proceduresJournal of Experimental Education.  64:79-93. 1995
1994 CORRMTX: Generating Correlated Data Matrices in SAS/IMLApplied Psychological Measurement.  18:95. 1994

Chapter

Year Title Altmetric
2013 Multifactorial Inheritance and Complex Diseases.  1-15. 2013

Education And Training

  • Doctor of Philosophy in Biostatistics, Southern Illinois University System : Carbondale 1993
  • Full Name

  • Timothy Beasley