- Health Systems, Economic Evaluations, Quality of Life
- Economic and Environmental Valuation
- Healthcare Policy and Management
- Global Health Care Issues
- Decision-Making and Behavioral Economics
- Economic and Financial Impacts of Cancer
- Consumer Attitudes and Food Labeling
- Global Cancer Incidence and Screening
- Behavioral Health and Interventions
- Acute Lymphoblastic Leukemia research
- Acute Myeloid Leukemia Research
- Smoking Behavior and Cessation
- Delphi Technique in Research
- Child and Adolescent Health
- Colorectal Cancer Screening and Detection
- Statistical Methods in Clinical Trials
- Reproductive Health and Technologies
- Pharmaceutical Economics and Policy
- Survey Methodology and Nonresponse
- Childhood Cancer Survivors' Quality of Life
- Family Dynamics and Relationships
- Cancer survivorship and care
- Patient-Provider Communication in Healthcare
- Early Childhood Education and Development
- Obesity and Health Practices
University of South Florida
2016-2025
University of Calgary
2022
Washington University in St. Louis
2015-2021
Moffitt Cancer Center
2008-2016
University of North Carolina at Chapel Hill
2013-2015
Great Ormond Street Hospital
2014
University College London
2014
University of Illinois Chicago
2013
Erasmus University Rotterdam
2013
University of Sheffield
2013
The Spanish five-level EuroQol five-dimensional questionnaire (EQ-5D-5L) valuation study was the first to use Valuation Technology protocol, including composite time trade-off (C-TTO) and discrete choice experiments (DCE). In this study, its investigators noticed that some interviewers did not fully explain C-TTO task respondents. Evidence from a follow-up in 2014 confirmed when followed distribution of responses widened.To handle data quality issues by estimating hybrid interval regression...
Immune dysregulation and altered T‐cell hemostasis play important roles in the pathogenesis of myelodysplastic syndromes (MDS). Recent studies suggest an increased risk MDS among patients with autoimmune diseases. Here, we investigated prevalence diseases patients, comparing characteristics outcomes those without From our study group 1408 391 (28%) had disease, hypothyroidism being most common type, accounting for 44% ( n = 171) (12% all analyzed). Other ≥5% included idiopathic...
Despite the increasing use of panel surveys, little is known about differences in data quality across panels.The aim this study was to characterize survey companies and their respondents based on (1) timeliness response by panelists, (2) reliability demographic information they self-report, (3) generalizability characteristics panelists US general population. A secondary objective highlight several issues consider when selecting a vendor.We recruited sample adults from 7 vendors using...
Abstract Background: The recent decrease in myeloid leukemia incidence may be directly attributed to changes the population-based cancer registries 2001 guidelines, which required capture of only one malignancy lineage per person and simultaneous adoption myelodysplastic syndrome registration United States. Methods: We constructed four claims-based algorithms assess incidence, applied 1999–2008 Surveillance Epidemiology End Results (SEER)-Medicare database, assessed algorithm validity using...
Objective To compare patient-reported, health-related quality of life (QoL) for children with serious congenital heart defects (CHDs) and unaffected classmates to investigate the demographic clinical factors influencing QoL. Design Retrospective cohort study. Setting UK National Health Service. Patients UK-wide CHDs aged 10–14 years requiring cardiac intervention in first year one 17 paediatric surgical centres operating during 1992–1995. A comparison group similar age sex was recruited....
Shortly after the 2020 US election, initial evidence on first-generation COVID-19 vaccines showed 70-95% efficacy and minimal risks. Yet, many adults expressed reluctance. The aim of this study was to compare persons willing unwilling be vaccinated against estimate effects vaccination attributes uptake: proof vaccination, setting, effectiveness, duration immunity, risk severe side effects. Between 9 11 November 2020, 1153 completed a discrete choice experiment (DCE) Phase 2 CDC Vaccination...
Background. The original SF-6D valuation study collected 3503 standard gambled responses from 611 UK respondents to predict quality-adjusted life year (QALY) values. Methods. Using 19,980 paired comparison 666 US and a stacked probit model, the 25 coefficients of multiattribute utility (MAU) regression were estimated, such that each coefficient represents QALY decrement. predictions compared with using 8428 states in Medicare Health Outcomes Survey (MHOS), 1998 2003. Results. Twenty-two...
The 5-level version of the EQ-5D (EQ-5D-5L) was introduced as an improvement on original 3-level (EQ-5D-3L). To date, 6 country-specific value sets have been published for EQ-5D-5L and 9 US other instruments. Our aims were to (1) produce values a quality-adjusted life year (QALY) scale from perspective adults (2) compare them with EQ-5D-3L values.In 2016, 8222 respondents all 50 states Washington, DC completed online survey including discrete choice experiment 20 paired comparisons. Each...
There is rising interest in eliciting health state valuations using rankings. Due to their relative simplicity, ordinal measurement methods may offer an attractive practical alternative cardinal methods, such as time trade-off (TTO) and visual analog scale (VAS). In this article, we explore models for estimating values from rank responses a unique multicountry database. We highlight estimation challenge pertaining states just below perfect (the "nonoptimal gap") propose analytic solution...
Abstract In discrete choice experiments (DCEs), differences between respondents’ preferences may be associated with observable or unobservable factors. Unobservable heterogeneity, related to latent factors the choices of individuals, modelled using correlated (i.e. informative heterogeneity) uncorrelated uninformative individual-specific parameters a logit model. this study, we simulated heterogeneity among DCE respondents and compared results maximum likelihood (MSL) estimation mixed model...