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Discrete choice experiment

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https://www.readbyqxmd.com/read/28712627/testing-the-external-validity-of-a-discrete-choice-experiment-method-an-application-to-latent-tuberculosis-infection-treatment
#1
Tima Mohammadi, Nick Bansback, Fawziah Marra, Amir Khakban, Jonathon R Campbell, J Mark FitzGerald, Larry D Lynd, Carlo A Marra
OBJECTIVES: To explore the external validity and predictive power of stated preferences obtained from a discrete choice experiment (DCE) by comparing the predicted behavior of respondents to their actual choices at an individual level. METHODS: A DCE was performed in patients before being offered treatment for latent tuberculosis infection. A mixed logit model was estimated using hierarchical Bayes. The individual-specific preference coefficients were used to calculate the expected probability of choosing the treatment by each patient...
July 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28712625/impact-of-survey-administration-mode-on-the-results-of-a-health-related-discrete-choice-experiment-online-and-paper-comparison
#2
Domino Determann, Mattijs S Lambooij, Ewout W Steyerberg, Esther W de Bekker-Grob, G Ardine de Wit
BACKGROUND: Electronic data collection is increasingly being used for discrete choice experiments (DCEs). OBJECTIVES: To study whether paper or electronic administration results in measurement effects. METHODS: Respondents were drawn from the same sample frame (an Internet panel) and completed a nearly identical DCE survey either online or on paper during the same period. A DCE on preferences for basic health insurance served as a case study...
July 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28711241/analysis-of-farmers-willingness-to-participate-in-pasture-grazing-programs-results-from-a-discrete-choice-experiment-with-german-dairy-farmers
#3
M Danne, O Musshoff
Over the last decades, the usage of pasture for grazing of dairy cows has decreased considerably. Pasture grazing programs initiated by dairy companies try to counteract this trend. The present paper investigates farmers' willingness to participate in such grazing programs. A special aim was to quantify the price premiums farmers require for program participation and to identify determinants influencing the premium level. The empirical analysis is based on a discrete choice experiment with 293 German dairy farmers...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28705893/evaluation-of-strategies-to-communicate-harmful-and-potentially-harmful-constituent-hphc-information-through-cigarette-package-inserts-a-discrete-choice-experiment
#4
Ramzi G Salloum, Jordan J Louviere, Kayla R Getz, Farahnaz Islam, Dien Anshari, Yoojin Cho, Richard J O'Connor, David Hammond, James F Thrasher
BACKGROUND: The US Food and Drug Administration (FDA) has regulatory authority to use inserts to communicate with consumers about harmful and potentially harmful constituents (HPHCs) in tobacco products; however, little is known about the most effective manner for presenting HPHC information. METHODS: In a discrete choice experiment, participants evaluated eight choice sets, each of which showed two cigarette packages from four different brands and tar levels (high vs low), accompanied by an insert that included between-subject manipulations (ie, listing of HPHCs vs grouping by disease outcome and numeric values ascribed to HPHCs vs no numbers) and within-subject manipulations (ie, 1 of 4 warning topics; statement linking an HPHC with disease vs statement with no HPHC link)...
July 13, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28705730/emotions-as-discrete-patterns-of-systemic-activity
#5
REVIEW
Lauri Nummenmaa, Heini Saarimäki
Emotions organize human and animal behaviour by automatically adjusting their actions at multiple physiological and behavioural scales. Recently, pattern recognition techniques have emerged as an important tool for quantifying the neural, physiological, and phenomenological organization of emotions in humans. Here we review recent advances in our understanding of the human emotion system from the viewpoint of pattern recognition studies, focussing on neuroimaging experiments. These studies suggest, in general, clear and consistent categorical structure of emotions across multiple levels of analysis spanning expressive behaviour, subjective experiences, physiological activity, and neural activation patterns...
July 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28705241/demand-and-willingness-to-pay-for-bed-nets-in-tanzania-results-from-a-choice-experiment
#6
Chris D Gingrich, Emily Ricotta, Amos Kahwa, Catherine Kahabuka, Hannah Koenker
BACKGROUND: Universal coverage campaigns for long-lasting insecticide-treated nets do not always reach the goal of one net for every two household members, and even when ownership of at least one net per household is high, many households may not own enough nets. The retail market provides these households options for replacing or increasing the number of nets they own with products that best fit their needs since a variety of net shapes, sizes, and colours are available. Hence, it is important to understand the factors affecting private net demand...
July 14, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28697796/patients-preferences-for-primary-health-care-a-systematic-literature-review-of-discrete-choice-experiments
#7
Kim-Sarah Kleij, Ulla Tangermann, Volker E Amelung, Christian Krauth
BACKGROUND: Primary care is a key element of health care systems and addresses the main health problems of the population. Due to the demographic change, primary care even gains in importance. The knowledge of the patients' preferences can help policy makers as well as physicians to set priorities in their effort to make health care delivery more responsive to patients' needs. Our objective was to describe which aspects of primary care were included in preference studies and which of them were the most preferred aspects...
July 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28696023/mcda-swing-weighting-and-discrete-choice-experiments-for-elicitation-of-patient-benefit-risk-preferences-a-critical-assessment
#8
Tommi Tervonen, Heather Gelhorn, Sumitra Sri Bhashyam, Jiat-Ling Poon, Katharine S Gries, Anne Rentz, Kevin Marsh
PURPOSE: Multiple criteria decision analysis swing weighting (SW) and discrete choice experiments (DCE) are appropriate methods for capturing patient preferences on treatment benefit-risk trade-offs. This paper presents a qualitative comparison of the 2 methods. METHODS: We review and critically assess similarities and differences of SW and DCE based on 6 aspects: comprehension by study participants, cognitive biases, sample representativeness, ability to capture heterogeneity in preferences, reliability and validity, and robustness of the results...
July 11, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28695543/the-indonesian-eq-5d-5l-value-set
#9
Fredrick Dermawan Purba, Joke A M Hunfeld, Aulia Iskandarsyah, Titi Sahidah Fitriana, Sawitri Supardi Sadarjoen, Juan Manuel Ramos-Goñi, Jan Passchier, Jan J V Busschbach
BACKGROUND: The EQ-5D is one of the most used generic health-related quality-of-life (HRQOL) instruments worldwide. To make the EQ-5D suitable for use in economic evaluations, a societal-based value set is needed. Indonesia does not have such a value set. OBJECTIVE: The aim of this study was to derive an EQ-5D-5L value set from the Indonesian general population. METHODS: A representative sample aged 17 years and over was recruited from the Indonesian general population...
July 10, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28683805/patient-preferences-for-dry-powder-inhaler-attributes-in-asthma-and-chronic-obstructive-pulmonary-disease-in-france-a-discrete-choice-experiment
#10
Natalia Hawken, Saku Torvinen, Mohamed-Elmoctar Neine, Ikbel Amri, Mondher Toumi, Samuel Aballéa, Adam Plich, Nicolas Roche
BACKGROUND: Dry powder inhalers (DPIs) are often used in asthma and chronic obstructive pulmonary disease (COPD) therapies. Using the discrete choice experiment (DCE) methodology, this study conducted in France was designed to assess patients' preferences for different attributes of DPIs. METHODS: Attributes of DPIs were defined based on a literature review, patient focus group discussions and interviews with healthcare professionals (qualitative phase of the study)...
July 6, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28682256/volumetric-image-registration-from-invariant-keypoints
#11
Blaine Rister, Mark A Horowitz, Daniel L Rubin
We present a method for image registration based on 3D scale- and rotation-invariant keypoints. The method extends the Scale Invariant Feature Transform (SIFT) to arbitrary dimensions by making key modifications to orientation assignment and gradient histograms. Rotation invariance is proven mathematically. Additional modifications are made to extrema detection and keypoint matching based on the demands of image registration. Our experiments suggest that the choice of neighborhood in discrete extrema detection has a strong impact on image registration accuracy...
July 3, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28678168/the-influences-of-landscape-features-on-visitation-of-hospital-green-spaces-a-choice-experiment-approach
#12
Kaowen Grace Chang, Hungju Chien
Studies have suggested that visiting and viewing landscaping at hospitals accelerates patient's recovery from surgery and help staff's recovery from mental fatigue. To plan and construct such landscapes, we need to unravel landscape features desirable to different groups so that the space can benefit a wide range of hospital users. Using discrete choice modeling, we developed experimental choice sets to investigate how landscape features influence the visitations of different users in a large regional hospital in Taiwan...
July 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28675119/what-do-patients-want-from-otolaryngologists-a-discrete-choice-experiment
#13
Matthew R Naunheim, Vinay K Rathi, Margaret L Naunheim, Blake C Alkire, Allen C Lam, Phillip C Song, Mark G Shrime
Objectives Patient preferences are crucial for the delivery of patient-centered care. Discrete choice experiments (DCEs) are an emerging quantitative methodology used for understanding these preferences. In this study, we employed DCE techniques to understand the preferences of patients presenting for an ear, nose, and throat clinic visit. Study Design DCE. Setting Decision science laboratory. Methods A DCE survey of 5 attributes-wait time, physician experience, physician personality, utilization of visit time, and cost/copayment-was constructed with structured qualitative interviews with patients...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28672184/what-are-chinese-nurses-experiences-whilst-working-overseas-a-narrative-scoping-review
#14
REVIEW
Yaping Zhong, Lisa McKenna, Beverley Copnell
BACKGROUND: Transnational nurse migration has become an apparent attribute of the global nurse shortage and it is foreseeable that China will play an increasingly significant role in nurse exports. These nurses have unique cultural and professional needs throughout their journey of migration and in-depth analysis of Chinese migrant nurses' experiences is urgently required to manage and empower an ethnically diverse workforce. OBJECTIVE: To synthesise Chinese migrant nurses' experiences by examining the findings of existing studies...
June 22, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28668593/mechanical-characterization-and-finite-element-implementation-of-the-soft-materials-used-in-a-novel-anthropometric-test-device-for-simulating-underbody-blast-loading
#15
Wade A Baker, Costin D Untaroiu, Dawn M Crawford, Mostafiz R Chowdhury
Soft materials (e.g. polymers) are widely used in biomechanical devices to represent the nonlinear viscoelastic properties inherent in biological soft tissues. Knowledge of their mechanical properties is used to inform design choices and develop accurate finite element (FE) models of human surrogates. The goal of this study was to characterize the behavior of eight polymeric materials used in the design of a novel anthropomorphic test device (ATD) and implement these materials in an FE model of the ATD. Tensile and compressive tests at strain rates ranging from 0...
June 23, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28665878/-i-will-choose-when-to-test-where-i-want-to-test-investigating-young-people-s-preferences-for-hiv-self-testing-in-malawi-and-zimbabwe
#16
Pitchaya P Indravudh, Euphemia L Sibanda, Marc d'Elbée, Moses K Kumwenda, Beate Ringwald, Galven Maringwa, Musonda Simwinga, Lot J Nyirenda, Cheryl C Johnson, Karin Hatzold, Fern Terris-Prestholt, Miriam Taegtmeyer
OBJECTIVES: The current study identifies young people's preferences for HIV self-testing (HIVST) delivery, determines the relative strength of preferences and explores underlying behaviors and perceptions to inform youth-friendly services in southern Africa. DESIGN: A mixed methods design was adopted in Malawi and Zimbabwe and includes focus group discussions, in-depth interviews and discrete choice experiments. METHODS: The current study was conducted during the formative phase of cluster-randomized trials of oral-fluid HIVST distribution...
July 1, 2017: AIDS
https://www.readbyqxmd.com/read/28660567/the-best-of-both-worlds-an-example-mixed-methods-approach-to-understand-men-s-preferences-for-the-treatment-of-lower-urinary-tract-symptoms
#17
Divine Ikenwilo, Sebastian Heidenreich, Mandy Ryan, Colette Mankowski, Jameel Nazir, Verity Watson
BACKGROUND: Discrete choice experiments (DCEs) are widely used to quantify individuals' preferences for healthcare. Guidelines recommend the design of DCEs should be informed by qualitative research. However, only a few studies go beyond guidelines by fully presenting qualitative and quantitative research jointly together in a mixed methods approach (MMA). OBJECTIVES: Using an example study about men's preferences for medical treatment of lower urinary tract symptoms (LUTS), we demonstrate how qualitative research can complement DCEs to gain a rich understanding of individuals' preferences...
June 28, 2017: Patient
https://www.readbyqxmd.com/read/28656509/older-people-s-preferences-for-side-effects-associated-with-antimuscarinic-treatments-of-overactive-bladder-a-discrete-choice-experiment
#18
Veerle H Decalf, Anja M J Huion, Dries F Benoit, Marie-Astrid Denys, Mirko Petrovic, Karel C M M Everaert
INTRODUCTION: Understanding the importance older people attribute to the different side effects associated with oral antimuscarinic treatments for overactive bladder (OAB) could help inform prescribers, healthcare policy makers and the drug industry. OBJECTIVE: Our objective was to quantify the importance of the most prevalent cognitive and side effects of oral antimuscarinic treatments for OAB in older people. METHODS: We conducted a discrete-choice experiment (DCE) with the assistance of an interviewer with community-dwelling and hospitalized older people aged >65 years...
June 27, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28651509/drivers-of-choice-of-resuscitation-fluid-in-the-intensive-care-unit-a-discrete-choice-experiment
#19
Colman B Taylor, Naomi E Hammond, Tracey-Lea Laba, Nicola Watts, Kelly Thompson, Manoj Saxena, Sharon Micallef, Simon Finfer, John Myburgh
OBJECTIVE: To understand the fundamental drivers, and their relative importance, of doctors' and nurses' choice of resuscitation fluid in critically ill patients in Australia and New Zealand. DESIGN: A discrete choice experiment (DCE) administered via an online survey. Respondents were presented with one of four randomly selected DCE choice sets, each including five patient scenarios. The respondent chose between two types of hypothetical resuscitation fluid. The fluid type was characterised by several attributes and each attribute had pre-specified levels...
June 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28628931/-the-probabilistic-efficiency-frontier-a-value-assessment-of-treatment-options-in-hepatitis-c
#20
Axel C Mühlbacher, Andrew Sadler
Background The German Institute for Quality and Efficiency in Health Care (IQWiG) recommends the concept of the efficiency frontier to assess health care interventions. The efficiency frontier supports regulatory decisions on reimbursement prices for the appropriate allocation of health care resources. Until today this cost-benefit assessment framework has only been applied on the basis of individual patient-relevant endpoints. This contradicts the reality of a multi-dimensional patient benefit. Objective The objective of this study was to illustrate the operationalization of multi-dimensional benefit considering the uncertainty in clinical effects and preference data in order to calculate the efficiency of different treatment options for hepatitis C (HCV)...
June 19, 2017: Das Gesundheitswesen
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