Journal Article
Comparative Effectiveness of Individual Versus Family-Based Substance Use Treatment on Adolescent Self-Injurious Thoughts and Behaviors
We compared the effectiveness of individual- and family-based substance use treatments in reducing youth self-injurious thoughts and behaviors.
Aug 1, 2022
Journal Article
Methodological Considerations for Estimating Policy Effects in the Context of Co-Occurring Policies
Researchers conducted simulations to assess how concurrently implemented policies affected the evaluation of hypothetical state-level policies.
Jul 15, 2022
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial for the R TWANG Package
This tutorial describes the use of the TWANG package in R to estimate propensity score weights when there are two treatment groups, and how to use TWANG to estimate nonresponse weights.
Jul 7, 2022
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny App for Two Treatments
This tutorial describes how to use a menu-driven Shiny application based on the Toolkit for Weighting and Analysis of Nonequivalent Groups (TWANG) R package.
Jul 7, 2022
Journal Article
Higher Moments for Optimal Balance Weighting in Causal Estimation
We explore the potential benefit of using higher-order moments in the balancing conditions for covariate-balancing propensity scores and entropy balance.
Jul 1, 2022
Journal Article
Volunteer Recovery Support for Adolescents: Using Propensity Score Based Methods to Understand Dosage Effects Within a Randomized Controlled Trial
The study used statistical methods designed to approximate RCTs when comparing more than two nonequivalent groups that include an assessment of the potential impact of omitted variables in order to address potential dosage effects for a commonly used evidence based substance use treatment program for adolescents.
Jun 24, 2022
Journal Article
A Tutorial Comparing Different Covariate Balancing Methods with an Application Evaluating the Causal Effects of Substance Use Treatment Programs for Adolescents
A state-of-the-art tutorial on how best to implement propensity score weighting analyses.
Jun 24, 2022
Journal Article
Moving Beyond the Classic Difference-In-Differences Model: A Simulation Study Comparing Statistical Methods for Estimating Effectiveness of State-Level Policies
Researchers conducted an extensive simulation study to compare the statistical performance of commonly used methods for evaluating state-level opioid policies, including popular difference-in-differences methods.
Dec 15, 2021
Journal Article
Best Practices in Statistical Computing
In this paper, we describe the key steps for implementing a code quality assurance process that researchers can follow to improve their coding practices throughout a project to assure the quality of the final data, code, analyses, and results.
Dec 8, 2021
Journal Article
Buprenorphine Prescriber Monthly Patient Caseloads: An Examination of 6-Year Trajectories
We examine buprenorphine-prescribing clinicians' patient caseloads over time and explore prescriber characteristics associated with different caseload trajectories.
Nov 1, 2021
Multimedia
State-Level Opioid Policy Analyses: Moving Beyond the Classic Difference-in-Differences Model
This workshop provides an overview of key methodological challenges faced when evaluating the effectiveness of state-level policy using annual state-level data, as well as potential solutions and practice guidelines.
Jun 24, 2021
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny Application for Time-Varying Treatments
This tutorial demonstrates the use of the Toolkit for Weighting and Analysis of Nonequivalent Groups Shiny application for time-varying treatments -- for cases when the time-varying treatment or exposure is binary -- using an illustrative example.
May 14, 2021
Journal Article
Brief Tutorial for twangContinuous
This document provides a brief tutorial on using the twangContinous package to estimate causal effects for continuous exposure variables using generalized propensity scores estimated via generalized boosted models.
Mar 10, 2021
Tool
Quantifying the Bias Due to Observed Individual Confounders in Causal Treatment Effect Estimates: A Tutorial for the Selection Bias Decomposition (SBdecomp) Package
In this tool, the authors explain the methodology behind the primary function of the selection bias decomposition (SBdecomp) package; describe its features, syntax and how to implement the function; and illustrate its use with an example.
Dec 29, 2020
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny Application for Three or More Treatment Groups
This tutorial describes how to use a menu-driven Shiny application based on the Toolkit for Weighting and Analysis of Nonequivalent Groups (TWANG) R package.
Nov 24, 2020
Journal Article
The State of the Science in Opioid Policy Research
The rigor of study design varies notably across policy categories, highlighting the need for broader adoption of rigorous methods in opioid policy research.
Jul 7, 2020
Journal Article
Changes in Firearm Mortality Following the Implementation of State Laws Regulating Firearm Access and Use
Laws that regulate children's access to firearms, the carrying of a concealed firearm, and the use of a firearm in self-defense, are associated with an 11% decrease in the firearms-related death rate.
Jun 26, 2020
Journal Article
Practical Factors Determining Adolescent Substance Use Treatment Settings: Results from Four Online Stakeholder Panels
This study aimed to identify practical factors that stakeholders find most critical to consider when planning adolescent substance use treatment.
May 12, 2020
Multimedia
State-of-the-Art Strategies for Addressing Selection Bias When Comparing Two or More Treatment Groups
This course introduces causal modeling using the potential outcomes framework and propensity score weights to estimate causal effects from observational data.
May 1, 2020
Report
Comparing the Army's Suicide Rate to the General U.S. Population: Identifying Suitable Characteristics, Data Sources, and Analytic Approaches
Researchers investigate how accounting for demographic factors beyond age and gender (race/ethnicity, time, marital status, and educational attainment) affects suicide rate differences between soldiers and the general U.S. population.
Mar 10, 2020
Journal Article
Methodological Challenges and Proposed Solutions for Evaluating Opioid Policy Effectiveness
In this paper, we provide an overview of methodological challenges facing opioid policy researchers when conducting opioid policy evaluation studies using observational data, as well as some potential solutions to those challenges.
2020
Journal Article
When Is a Match Sufficient? A Score-based Balance Metric for the Synthetic Control Method
In this study, we present metrics to help analysts determine whether they have a good enough match to conduct causal inference using synthetic control method.
2020
Journal Article
An Online Alcohol and Risky Sex Prevention Program for College Students Studying Abroad: Study Protocol for a Randomized Controlled Trial
This study protocol describes a proposed randomized controlled trial that builds upon a successful pilot intervention study to address problematic and dangerous drinking among young adult college students studying abroad in foreign environments.
Sep 19, 2019
Journal Article
Eat, Pray, Move: A Pilot Cluster Randomized Controlled Trial of a Multilevel Church-Based Intervention to Address Obesity Among African Americans and Latinos
Implementing a multilevel intervention across diverse congregations resulted in small improvements in obesity outcomes. A longer time line is needed to fully implement and assess effects of community and congregation environmental strategies and to allow for potential larger impacts of the intervention.
2019
Report
Evaluating Methods to Estimate the Effect of State Laws on Firearm Deaths: A Simulation Study
As part of the RAND Corporation's Gun Policy in America initiative, the authors use simulations to assess the performance of a wide range of statistical models used to estimate the effects of state gun policies on firearm deaths.
Dec 10, 2018
Report
The Science of Gun Policy: A Critical Synthesis of Research Evidence on the Effects of Gun Policies in the United States
This report synthesizes the available scientific evidence on the effects of various firearm policies on firearm deaths, violent crime, the gun industry, participation in hunting and sport shooting, and other outcomes.
Mar 2, 2018
Journal Article
Optimizing Variance-Bias Trade-Off in the TWANG Package for Estimation of Propensity Scores
This discussion highlights potentially meaningful ways to optimize propensity score machine learning methods to allow for minimal bias and less variability.
Dec 28, 2017
Tool
Propensity Scores for Repeated Treatments: A Tutorial for the iptw Function in the TWANG Package
This tutorial describes the use of the TWANG package in R to estimate inverse probability of treatment weights (IPTWs) when one has time varying treatments or sequences of treatments over time.
Sep 14, 2017
Journal Article
A Propensity-Score-Weighted Population-Based Study of the Health Benefits of Dogs and Cats for Children
Counter to widely held beliefs, pet ownership does not improve children's general or psychological health.
Aug 29, 2017
Journal Article
Impact of Prescription Drug Monitoring Programs (PDMPs) on Opioid Utilization Among Medicare Beneficiaries in 10 U.S. States
Implementation of a prescription drug monitoring program in 10 states was associated with a reduction in overall volume of opioid drugs prescribed.
Jun 14, 2017
Research Brief
The Role of Urban Congregations in Addressing HIV
In a series of collaborative studies, RAND researchers sought to better understand urban congregations' capacity for HIV prevention and care, specifically in the areas of stigma reduction and HIV testing. This research brief outlines their findings.
Apr 27, 2017
Journal Article
Developing Adaptive Interventions for Adolescent Substance Use Treatment Settings: Protocol of an Observational, Mixed-Methods Project
Adaptive interventions (AIs) - sequences of decision rules for altering treatment based on an individual's needs - would benefit substance abuse treatment for adolescents.
Feb 8, 2017
Journal Article
Examining the Implementation of Technology-Based Blended Algebra I Curriculum at Scale
This article examines the implementation of a widely used blended algebra curriculum and the relationship between implementation and student outcomes.
Dec 28, 2016
Journal Article
Individual and Neighborhood Socioeconomic Status and the Association Between Air Pollution and Cardiovascular Disease
Women living in disadvantaged neighborhoods may be more susceptible to air pollution-related health effects, but individual and neighborhood SES did not affect the positive association between long-term fine particulate matter and cardiovascular disease.
Sep 13, 2016
Journal Article
Toward Evidence-Based Measures of Implementation: Examining the Relationship Between Implementation Outcomes and Client Outcomes
The number of discrete procedures implemented in this evidence-based practice for adolescent substance use is associated with better client outcomes.
Aug 1, 2016
Journal Article
Employment Gaps Between Military Spouses and Matched Civilians
Drawing upon data from the Deployment Life Study, this article examines whether female military spouses (SPs) are disadvantaged relative to matched civilian peers in terms of hours worked and earnings, paying particular attention to gaps among the highest educated women.
Jul 26, 2016
Journal Article
Effects of a Pilot Church-Based Intervention to Reduce HIV Stigma and Promote HIV Testing Among African Americans and Latinos
Programs to reduce HIV stigma in churches may have synergistic effects with HIV testing when provided in combination.
Apr 25, 2016
Research Brief
How Military Families Respond Before, During and After Deployment: Findings from the RAND Deployment Life Study
This overview of the findings from the RAND Deployment Life Study describes the effects of deployment on marital relationships, family environment, psychological and behavioral health, child well-being, and military integration.
Apr 15, 2016
Report
The Deployment Life Study: Longitudinal Analysis of Military Families Across the Deployment Cycle
In 2009, RAND launched the Deployment Life Study to study military family readiness. This report presents analyses on marital relationships, family environment, psychological and behavioral health, child well-being, and military integration.
Apr 7, 2016
Journal Article
Landmark Estimation of Survival and Treatment Effects in Observational Studies
Clinical studies aimed at identifying effective treatments to reduce the risk of disease or death often require long term follow-up of participants in order to observe a sufficient number of events to precisely estimate the treatment effect.
Feb 29, 2016
Journal Article
Church-Based HIV Screening in Racial/Ethnic Minority Communities of California, 2011–2012
By expanding the reach of HIV testing programs, church-based testing events could help achieve the goal of universal testing.
2016
Report
The Urban Child Institute CANDLE Study: Methodological Overview and Baseline Sample Description
This report describes the study design and summary data from the first year of data collection for the Urban Child Institute Conditions Affecting Neurocognitive Development and Learning in Early Childhood Study.
Dec 21, 2015
Journal Article
Health Implications of Social Networks for Children Living in Public Housing
This study examines the health composition of the social networks of children living in subsidized housing within market rate developments.
Dec 3, 2015
Journal Article
Intergenerational Social Networks and Health Behaviors Among Children Living in Public Housing
Provide abstract text to pubcat@rand.org alias if you wish to add optional text to this extra tag for this metadata record.
Sep 25, 2015
Journal Article
Predictors of HIV-Related Stigmas Among African American and Latino Religious Congregants
Inform church-based stigma interventions by exploring dimensions of HIV stigma among African American and Latino religious congregants and determining how these are related to drug addiction and homosexuality stigmas and knowing someone HIV-positive.
Aug 6, 2015
Multimedia
TWANG Short Course/Educational Videos: Three Videos — Introduction, Propensity Score Weighted Analyses with 2 Groups, and Propensity Score Weighted Analyses with More Than 2 Groups
Videos with step-by-step procedures for implementing propensity score analyses involving two or more treatment groups using the TWANG (Toolkit for Weighting and Analysis of Nonequivalent Groups) data analysis package.
Jul 13, 2015
Research Brief
Improving Sleep Health for U.S. Servicemembers: Policies, Programs, Barriers to Implementation, and Recommendations
Sleep problems can have consequences for servicemembers' health and for force readiness and resiliency. This first-ever comprehensive review of sleep-related policies and programs led to recommendations for improving sleep across the force.
Apr 6, 2015
Report
Sleep in the Military: Promoting Healthy Sleep Among U.S. Servicemembers
Sleep problems can have long-term consequences for servicemembers' health and for force readiness and resiliency. This first-ever comprehensive review of sleep-related policies and programs led to recommendations for improving sleep across the force.
Apr 6, 2015
Research Brief
Sleep Problems and Their Impact on U.S. Servicemembers: Results of a Cross-Service Survey
Sleep problems can have consequences for servicemembers' health and for force readiness and resiliency. Findings from a large-scale survey of servicemembers offer guidance for policies and programs to identify, treat, and prevent sleep problems.
Apr 6, 2015
Tool
Propensity Scores for Multiple Treatments: A Tutorial for the MNPS Macro in the TWANG SAS Macros
This tutorial explains the syntax and features related to the implementation of the MNPS function in the SAS TWANG macros.
Mar 13, 2015
Journal Article
Correlates of HIV Testing Among African American and Latino Church Congregants: The Role of HIV Stigmatizing Attitudes and Discussions About HIV
Faith-based organizations can be key settings in which to reach African Americans and Latinos for HIV prevention, but little is known regarding factors that predict congregants' HIV testing behaviors.
Mar 10, 2015
Journal Article
Acculturation and Drug Use Stigma Among Latinos and African Americans: An Examination of a Church-Based Sample
Substance use patterns among Latinos likely reflect changes in attitudes resulting from acculturation, but little is known about Latinos' attitudes regarding drug addiction.
Feb 2, 2015
Journal Article
Provision of Mental Health Services as a Quality Indicator for Adolescent Substance Abuse Treatment Facilities
The study tested whether adolescents receiving substance abuse treatment at facilities offering full or partial mental health services have better 12-month substance use and mental health outcomes than youths at facilities with no mental health services.
2015
Journal Article
Effectiveness of Cognitive Tutor Algebra I at Scale
This article examines the effectiveness of a technology-based algebra curriculum in a wide variety of middle schools and high schools in seven states.
Jun 1, 2014
Draft
Addendum to Effectiveness of Cognitive Tutor Algebra I at Scale
Presents alternative analyses of data from large-scale effectiveness studies of Cognitive Tutor Algebra I in middle schools and high schools.
May 30, 2014
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial for the TWANG SAS Macros
The Toolkit for Weighting and Analysis of Nonequivalent Groups, or TWANG, contains a set of functions to support causal modeling of observational data through the estimation and evaluation of propensity score weights.
Apr 18, 2014
Journal Article
Effectiveness of Treatment for Adolescent Substance Use: Is Biological Drug Testing Sufficient?
The purpose of this study was to compare the relative effectiveness of three treatment modalities for adolescent substance use: biological drug screening (BDS), Motivational Enhancement Therapy-Cognitive Behavioral Therapy (MET/CBT5), and BDS combined with MET/CBT5, relative to no treatment.
Mar 1, 2014
Journal Article
Estimating the Causal Effects of Cumulative Treatment Episodes for Adolescents Using Marginal Structural Models and Inverse Probability of Treatment Weighting
Substance use treatment is rarely a one-time event for individuals with substance use disorders. Sustained reductions in substance use and its related symptoms may result from multiple treatment episodes.
Mar 1, 2014
Journal Article
Assessing the Generalizability of the CSAT-sponsored GAIN Dataset: Are the CSAT Sites Representative of Adolescent Treatment Programs in the U.S.?
CSAT-funded programs had higher rates of comprehensive mental health assessments, discharge planning, HIV, STD and TB testing, and HIV/AIDS education and support.
Feb 1, 2014
Journal Article
The Impact of Public Housing on Social Networks: A Natural Experiment
Different types of public housing have a modest impact on the health composition of one's social network, suggesting the importance of housing policy for health.
2014
Journal Article
Predictors of the Existence of Congregational HIV Programs: Similarities and Differences Compared with Other Health Programs
Results of this study can inform policy interventions to increase the capacity of religious congregations to address HIV and health.
2014
Research Brief
Does an Algebra Course with Tutoring Software Improve Student Learning?
Examines whether the Cognitive Tutor Algebra I (CTAI) algebra curriculum, which includes tutoring software, is effective in improving the math test scores of middle and high school students, relative to traditional algebra instruction.
Nov 18, 2013
Journal Article
A Tutorial on Propensity Score Estimation for Multiple Treatments Using Generalized Boosted Models
The use of propensity scores to control for pretreatment imbalances on observed variables in non-randomized or observational studies examining the causal effects of treatments or interventions has become widespread over the past decade.
Aug 1, 2013
Journal Article
The Relationship Between Urban Sprawl and Coronary Heart Disease in Women
Studies have reported relationships between urban sprawl, physical activity, and obesity, but – to date – no studies have considered the relationship between sprawl and coronary heart disease (CHD) endpoints.
Mar 1, 2013
Journal Article
Drug Use Among Gay and Bisexual Men at Weekend Dance Parties: The Role of Intentions and Perceptions of Peers' Behaviors
Substance use is high among gay and bisexual men attending weekend dance events, yet little research has investigated motivations for drug use and contextual factors influencing use in these settings.
2013
Journal Article
Neighborhood Socioeconomic Status and Coronary Heart Disease Risk Prediction in a Nationally Representative Sample
NSES is significantly associated with CHD risk, and the relationship varies by gender and race/ethnicity.
Oct 1, 2012
Report
Assessing Operation Purple: A Program Evaluation of a Summer Camp for Military Youth
To help fill the gap in the research on the effectiveness of military family support programs, a RAND study explored the curriculum, themes, and outcomes of Operation Purple, a free weeklong summer camp program for youth with a deployed parent.
Jul 25, 2012
Journal Article
Assessing the Sensitivity of Treatment Effect Estimates to Differential Follow-Up Rates: Implications for Translational Research
The authors developed a new tool for assessing the sensitivity of findings on treatment effectiveness to differential follow-up rates in the two treatment conditions being compared.
2012
Journal Article
Examining Moderated Effects of Additional Adolescent Substance Use Treatment: Structural Nested Mean Model Estimation Using Inverse-Weighted Regression with Residuals
This article considers the problem of examining causal effect moderation using observational, longitudinal data in which treatment, candidate moderators, and putative confounders are time-varying.
2012
Journal Article
Use of Alternative Time Scales in Cox Proportional Hazard Models: Implications for Time-Varying Environmental Exposures
Issues surrounding choice of time scales in Cox proportional hazard regression models.
2012
Journal Article
The Effectiveness of Community-Based Delivery of an Evidence-Based Treatment for Adolescent Substance Use
This study evaluates the effectiveness of motivational enhancement therapy/cognitive behavioral therapy–5 (MET/CBT-5) when delivered in community practice settings relative to standard community-based adolescent treatment.
2012
Journal Article
Ambient Particulate Matter Air Pollution and Venous Thromboembolism in the Women's Health Initiative Hormone Therapy Trials
There is little evidence of an association between short- or long-term exposure to particulate matter air pollution and venous thromboembolism; and no evidence that hormone therapy is modifing such a link.
Mar 2, 2011
Journal Article
Associations Between Abstinence in Adolescence and Economic and Educational Outcomes Seven Years Later Among High-Risk Youth
This study found that abstinence from all substance use for 12 months among a sample of 13-17 year olds was associated with positive long-term educational and economic outcomes relative to use of any substance.
2011
Journal Article
Using a Cross-Study Design to Assess the Efficacy of Motivational Enhancement Therapy-Cognitive Behavioral Therapy 5 (MET/CBT5) in Treating Adolescents with Cannabis-Related Disorders
Youth with marijuana problems who received a research-based treatment (motivational enhancement therapy plus cognitive behavioral therapy [MET/CBT5]) had better outcomes than similar youth treated in community-based programs.
2011
Journal Article
Emergency Department Chief Complaint and Diagnosis Data to Detect Influenza-Like Illness with an Electronic Medical Record
Compared with detection based on the presenting patient's chief complaint, data from an emergency room diagnosis can provide valuable information about influenza-like illness despite a potential delay in detection.
2010
Journal Article
Housing Affordability and Health Among Homeowners and Renters
People living in unaffordable housing are more likely to rate their health as poor.
2010
Journal Article
How Perceptions of Mortality and HIV Morbidity Relate to Substance Abuse Problems and Risky Sexual Behaviors Among Former Juvenile Offenders
Youth who think they are likely to get HIV are at greater risk for later substance abuse problems and risky sexual behaviors, but this perception doesn't cause them to reduce their substance use and change their behavior.
2010
Journal Article
Nonparametric Inference and Uniqueness for Periodically Observed Progressive Disease Models
Using a discrete time semi-Markov model, the authors develop an algorithm for nonparametric estimation of the distribution functions of sojourn times in a J state progressive disease model.
2010
Journal Article
Early Detection of Influenza Outbreaks Using the DC Department of Health's Syndromic Surveillance System
If fined tuned algorithms are used, emergency room-based syndromic surveillance focusing on unspecified infection cases in children is an effective way to determine the beginning of the influenza outbreak.
Dec 1, 2009
Draft
Ambulatory Surgery Facility Services Provided to California's Injured Workers
Examines the types of ambulatory surgical procedures performed on injured workers covered by the California workers' compensation system and whether they vary by hospital outpatient and freestanding ambulatory surgery settings.
Sep 22, 2009
Journal Article
Disparities in Detection and Treatment History Among Mothers with Major Depression in Los Angeles
The authors sought to determine disparities in detection and treatment histories among a group of racial and ethnically diverse mothers with major depression.
2009
Journal Article
Incorporating Mortality Risk Into Estimates of 5-Year Glaucoma Risk
Considers the effects of incorporating mortality risk, a potentially important factor to consider when deciding whether to initiate therapy for ocular hypertensives, into estimates of 5-year glaucoma risk.
2009
Journal Article
An Application of the Principal Stratification to Control for Institutionalization at Follow-Up in Studies of Substance Abuse Treatment Programs
Participants in longitudinal studies on the effects of drug treatment and criminal justice system interventions are at high risk for institutionalization. Use of principal stratification to control for institutionalization at follow-up is evaluated.
2008
Journal Article
Design and Analysis of Arm-In-Cage Experiments: Inference for Three-State Progressive Disease Models with Common Periodic Observation Times
Develops methods for design and analysis of arm-in-cage experiments used to test efficacy of insect repellents. Uses a mixture of nonparametric and parametric techniques to estimate parameters of interest when sojourn times are dependent.
2008
Journal Article
Inconsistencies in Self-Reported Drug Use by Adolescents in Substance Abuse Treatment: Implications for Outcome and Performance Measurements
Inconsistencies in adolescent reporting of recent substance use are associated with program assignment and factors that influence treatment outcomes, including age at first use, living situation, race/ethnicity, and mental distress.
2008
Journal Article
A Prospective Investigation of Suicide Ideation, Attempts, and Use of Mental Health Service Among Adolescents in Substance Abuse Treatment
This study examined suicide ideation, attempts, and subsequent mental health service among a sample of 948 youth from substance abuse treatment facilities across the United States.
2008
Report
Interpreting Treatment Effects When Cases Are Institutionalized After Treatment
Develops a causal modeling framework for evaluating the standard approaches for addressing the confounding of the effects of ignoring institutionalization of drug treatment clients and other effects, and illustrates the results of each approach.
Sep 11, 2007
Journal Article
Interpreting Treatment Effects When Cases Are Institutionalized After Treatment
The authors discuss the implications of our analysis for longitudinal studies of all populations at high risk for institutionalization.
Jul 1, 2007
Journal Article
Factors Associated with Major Depression Among Mothers in Los Angeles
Given the links between depressed mothers and child outcomes, results have important implication for mothers with adolescent children.
2007
Journal Article
Smoking Rates Among Adolescents in Substance Abuse Treatment Programs
Substance abuse treatment programs often do not target smoking, despite its long-term health risks
2007
Journal Article
Policies and Practices Related to Breastfeeding in Massachusetts: Hospital Implementation of the Ten Steps to Successful Breastfeeding
Hospital policies and practices related to breastfeeding may have long-term health effects. The Ten Steps to Successful Breastfeeding provide an evidence-based standard, which may be used to assess individual hospitals.
May 1, 2006
Journal Article
Analysis of Failure Time Data Arising from Studies with Alternating Treatment Schedules
We develop statistical methods for designing and analyzing studies in which treatments are deliberately interrupted and reinitiated, but where interest lies in making inferences about continuous treatment use.
2006
