Research Topics
| Tyler J VanderWeeleSummaryAffiliation: University of Chicago Country: USA Publications
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Publications
Ignorability and stability assumptions in neighborhood effects researchTyler J VanderWeele
Department of Health Studies, University of Chicago, 5841 South Maryland Avenue, Chicago, IL 60637, U S A
Stat Med 27:1934-43. 2008..In the context of neighborhood-wide interventions, the ignorability assumption for the individual-level potential outcomes framework can be easily adapted for neighborhood effects...
A structural approach to the familial coaggregation of disordersJames I Hudson
Biological Psychiatry Laboratory, McLean Hospital, Belmont, MA 02478, USA
Epidemiology 19:431-9. 2008..For illustration, we applied our method to a family study of binge eating disorder and bipolar disorder...- From counterfactuals to sufficient component causes and vice versaTyler J VanderWeele
Department of Health Studies, University of Chicago, 5841 South Maryland Avenue, MC 2007, Chicago, IL 60637, USA
Eur J Epidemiol 21:855-8. 2006 - Mediation and mechanismTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, IL 60637, USA
Eur J Epidemiol 24:217-24. 2009..Discussion is given regarding how the distinction between "statistical causality" and "mechanistic causality" is blurred by recent work in causal inference concerning methods for testing for mediation and mechanism... - Marginal structural models for the estimation of direct and indirect effectsTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, Illinois 60637, USA
Epidemiology 20:18-26. 2009..Unlike marginal structural models typically used in epidemiologic research, the marginal structural models used to estimate natural direct and indirect effects are made conditional on the covariates... - Sufficient cause interactions and statistical interactionsTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, Illinois 60637, USA
Epidemiology 20:6-13. 2009..Conditions that suffice to allow for the interpretation of statistical interactions as sufficient cause interactions are derived. Discussion is presented concerning the implications of the inclusion of confounding variables in the model... - A comparison of four prenatal care indices in birth outcome models: comparable results for predicting small-for-gestational-age outcome but different results for preterm birth or infant mortalityTyler J VanderWeele
University of Chicago, Department of Health Studies, Chicago, IL 60637, USA
J Clin Epidemiol 62:438-45. 2009..This investigation compared the performance of the Kessner index, the GINDEX, the adequacy of prenatal care utilization (APNCU) and certain variants of the APNCU in such outcome models... - Causal directed acyclic graphs and the direction of unmeasured confounding biasTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, IL 60637, USA
Epidemiology 19:720-8. 2008..When this conditional independence property does not hold, stronger notions of monotonicity are needed to draw conclusions about the direction of the bias... - Sensitivity analysis: distributional assumptions and confounding assumptionsTyler J VanderWeele
Department of Health Studies, University of Chicago, 5841 South Maryland Avenue, MC 2007, Chicago, Illinois 60637, USA
Biometrics 64:645-9. 2008..These considerations clarify the appropriate contexts in which relevant sensitivity analysis techniques can be applied... - The sign of the bias of unmeasured confoundingTyler J VanderWeele
Department of Health Studies, University of Chicago, 5841 South Maryland Avenue, MC 2007, Chicago, Illinois 60637, USA
Biometrics 64:702-6. 2008..Some discussion is given to the conditions under which the theorem applies and the strengths and limitations of using the theorem to assess the sign of the bias of unmeasured confounding... - Directed acyclic graphs, sufficient causes, and the properties of conditioning on a common effectTyler J VanderWeele
Department of Health Studies, Division of Biological Sciences, University of Chicago, Chicago, IL 60637, USA
Am J Epidemiol 166:1096-104. 2007..For illustration, the results are applied to an example concerning the familial coaggregation of two disorders... - Four types of effect modification: a classification based on directed acyclic graphsTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, Illinois 60637, USA
Epidemiology 18:561-8. 2007..We briefly discuss the case of multiple effect modification relationships and multiple effect modifiers as well as measures of effect other than that of the causal risk difference... - The identification of synergism in the sufficient-component-cause frameworkTyler J VanderWeele
Department of Health Studies, University of Chicago, Chicago, Illinois 60637, USA
Epidemiology 18:329-39. 2007..In the context of monotonic effects, the conditions derived are closely related to effect modification on the risk difference scale; however, this is not the case without the assumption of monotonic effects... - Prenatal care utilization in excess of recommended levels: trends from 1985 to 2004Diane S Lauderdale
Department of Health Studies, University of Chicago, Illinois, USA
Med Care Res Rev 67:609-22. 2010..Although randomized controlled trials have found that reduced visit schedules for low-risk women do not lead to worse maternal or perinatal outcomes, the cost-effectiveness of more intense visit schedules is not known... - The effect of non-differential measurement error on bias, precision and power in Mendelian randomization studiesBrandon L Pierce
Department of Health Studies and Comprehensive Cancer Center, University of Chicago, Chicago, IL 60637, USA
Int J Epidemiol 41:1383-93. 2012..In this work, we explore the effect of exposure and outcome measurement error in MR studies... - Screening tests during prenatal care: does practice follow the evidence?Juned Siddique
Department of Preventive Medicine, Northwestern University, Chicago, IL 60611, USA
Matern Child Health J 16:51-9. 2012..Anemia screening conforms closely to recommendations. The USPSTF does not recommend for or against universal diabetes screening using OGTT. Women appear to receive OGTT routinely... - Trends in prenatal ultrasound use in the United States: 1995 to 2006Juned Siddique
Department of Preventive Medicine, Northwestern University, Chicago, IL, USA
Med Care 47:1129-35. 2009..While controversy continues about the appropriateness of routine ultrasound screening, there are little data on actual clinical practices or trends in the United States... 
Does alleviating poverty affect mothers' depressive symptoms? A quasi-experimental investigation of Mexico's Oportunidades programmeEmily J Ozer
Division of Community Health and Human Development, School of Public Health, University of California, Berkeley, CA 94720 7360, USA
Int J Epidemiol 40:1565-76. 2011..Beyond its direct effects, maternal depression can harm children's health and development. This study aimed to assess the effects of a large-scale anti-poverty programme in Mexico (Oportunidades) on maternal depressive symptoms...- Inference for causal interactions for continuous exposures under dichotomizationTyler J VanderWeele
Department of Epidemiology, Harvard School of Public Health, 677 Huntington Avenue, Boston, Massachusetts 02115, USA
Biometrics 67:1414-21. 2011..The results in this article are applied to a study of the interactive effects between smoking and arsenic exposure from well water in producing skin lesions... - Power and instrument strength requirements for Mendelian randomization studies using multiple genetic variantsBrandon L Pierce
Department of Health Studies, University of Chicago, Chicago, IL, USA
Int J Epidemiol 40:740-52. 2011..e. instrumental variables (IVs)] of the exposure. Power and IV strength requirements for MR studies using multiple genetic variants have not been explored... - Ethnic disparities in asthma morbidity in ChicagoArthur T Evans
Collaborative Research Unit, Department of Medicine, Cook County Stroger Hospital and Rush Medical College, University of Chicago, Chicago, IL, USA
J Asthma 46:448-54. 2009..The role of ethnicity and socioeconomic status in explaining variations in asthma morbidity is unclear... - Effect of a housing and case management program on emergency department visits and hospitalizations among chronically ill homeless adults: a randomized trialLaura S Sadowski
Collaborative Research Unit, Department of Medicine, Stroger Hospital of Cook County, 1900 W Polk St, Room 1606, Chicago, IL 60612, USA
JAMA 301:1771-8. 2009..Homeless adults, especially those with chronic medical illnesses, are frequent users of costly medical services, especially emergency department and hospital services...