Stefan A. Lipman
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View article: Child- versus adult-perspective composite time trade-off valuations for the EQ-5D-Y-3L: evidence from the Hungarian valuation study
Child- versus adult-perspective composite time trade-off valuations for the EQ-5D-Y-3L: evidence from the Hungarian valuation study Open
Background The EQ-5D-Y-3L is a generic, preference-accompanied health measure intended for pediatric populations. EQ-5D-Y-3L health states are valued using the perspective of a hypothetical 10-year-old child (‘child perspective’) rather th…
View article: Correction: Is episodic future thinking effective in mitigating the influence of time preference in time trade-off?
Correction: Is episodic future thinking effective in mitigating the influence of time preference in time trade-off? Open
View article: Assessing well-being in younger populations in economic evaluations: a scoping review of multidimensional instruments
Assessing well-being in younger populations in economic evaluations: a scoping review of multidimensional instruments Open
The review highlights the variety of well-being instruments for children. Although many instruments measure well-being comprehensively, only ICECAP-CYP fit all criteria for suitability for economic evaluation. The small number of potential…
View article: Is episodic future thinking effective in mitigating the influence of time preference in time trade-off?
Is episodic future thinking effective in mitigating the influence of time preference in time trade-off? Open
Objectives The composite time trade-off (cTTO) method has been found to be influenced by time preferences for future life years, which typically results in a downward bias on cTTO utilities without adjustment. Contrary to prior research th…
View article: Nothing about us, without us? A reflection on and call for involving children in the process of valuing child health
Nothing about us, without us? A reflection on and call for involving children in the process of valuing child health Open
A key question in economic evaluation is whose preferences health-related quality of life (HRQoL) values should be based on. This question becomes increasingly prominent and complex when it comes to the evaluation of health interventions a…
View article: Assessing a dire fate: Standard gamble and time trade-off utilities for states worse than dead
Assessing a dire fate: Standard gamble and time trade-off utilities for states worse than dead Open
Health utilities, which reflect how people value health conditions, are often elicited using the composite time trade-off (cTTO) method. This asks people how many years they would give up to avoid living in impaired health states. However,…
View article: Attentional processes underlying health state valuation with time trade-off and standard gamble tasks
Attentional processes underlying health state valuation with time trade-off and standard gamble tasks Open
Time Trade-Off (TTO) and Standard Gamble (SG) tasks are commonly used methods to measure utilities for health states (e.g., diabetes, being in a wheelchair). Importantly, however, the two methods have been shown to typically yield discrepa…
View article: Loss aversion in EQ-5D-Y-3L: does it explain differences in willingness to trade-off life years in adults and children?
Loss aversion in EQ-5D-Y-3L: does it explain differences in willingness to trade-off life years in adults and children? Open
View article: Automated Personalized Goal Setting for Individual Exercise Behavior: Protocol for a Web-Based Adaptive Intervention Trial (Preprint)
Automated Personalized Goal Setting for Individual Exercise Behavior: Protocol for a Web-Based Adaptive Intervention Trial (Preprint) Open
BACKGROUND The incidence of chronic diseases associated with physical inactivity is on the rise, being one of the leading risk-increasing factors for early death rates throughout the world. Often, physical activity interventions fail to d…
View article: Making Composite Time Trade-Off Sensitive for Worse-than-Dead Health States
Making Composite Time Trade-Off Sensitive for Worse-than-Dead Health States Open
View article: A systematic review of unique methods for measuring discount rates
A systematic review of unique methods for measuring discount rates Open
Discount rates play a pivotal role in various fields, capturing the trade-off between present and future, influencing predictions of unhealthy behaviors. Despite substantial variations in discount rates across studies, methods, and individ…
View article: Comparing heuristic valuation processes between health state valuation from child and adult perspectives
Comparing heuristic valuation processes between health state valuation from child and adult perspectives Open
View article: Can Independently Elicited Adult- and Child-Perspective Health-State Utilities Explain Priority Setting?
Can Independently Elicited Adult- and Child-Perspective Health-State Utilities Explain Priority Setting? Open
Our findings suggest that perspective-dependent health-state utilities only explain a small part of views on priority setting between adults and children. External equity weights might be useful to better explain the higher priority given …
View article: Deposit? Yes, please! The effect of different modes of assigning reward- and deposit-based financial incentives on effort
Deposit? Yes, please! The effect of different modes of assigning reward- and deposit-based financial incentives on effort Open
The effectiveness and uptake of financial incentives can differ substantially between reward- and deposit-based incentives. Therefore, it is unclear to whom and how different incentives should be assigned. In this study, the effect of diff…
View article: The effect of duration and time preference on the gap between adult and child health state valuations in time trade-off
The effect of duration and time preference on the gap between adult and child health state valuations in time trade-off Open
Composite time trade-off (cTTO) utilities have been found to be higher when adults value health states for children than for themselves. It is not clear if these differences reflect adults assigning truly higher utilities to the same healt…
View article: Taking the Shortcut: Simplifying Heuristics in Discrete Choice Experiments
Taking the Shortcut: Simplifying Heuristics in Discrete Choice Experiments Open
Health-related discrete choice experiments (DCEs) information can be used to inform decision-making on the development, authorisation, reimbursement and marketing of drugs and devices as well as treatments in clinical practice. Discrete ch…
View article: PD56 Conceptual Issues In The Valuation Of Health States In Children
PD56 Conceptual Issues In The Valuation Of Health States In Children Open
Introduction Assessing the cost utility of health technologies for pediatric patients requires robust utility values for child health states, but the methods for valuing these pediatric health states are much less established than those fo…
View article: In a Child’s Shoes: Composite Time Trade-Off Valuations for EQ-5D-Y-3L with Different Proxy Perspectives
In a Child’s Shoes: Composite Time Trade-Off Valuations for EQ-5D-Y-3L with Different Proxy Perspectives Open
There are systematic differences between composite time trade-off responses given by adults deciding for children and adults considering what children would want for themselves. In addition to warranting further qualitative exploration, su…
View article: Modifying the Composite Time Trade-Off Method to Improve Its Discriminatory Power
Modifying the Composite Time Trade-Off Method to Improve Its Discriminatory Power Open
View article: A Value Set for the EQ-5D-Y-3L in the Netherlands
A Value Set for the EQ-5D-Y-3L in the Netherlands Open
View article: Correction to: Time and lexicographic preferences in the valuation of EQ-5D-Y with time trade-off methodology
Correction to: Time and lexicographic preferences in the valuation of EQ-5D-Y with time trade-off methodology Open
View article: Investigating Rewards and Deposit Contract Financial Incentives for Physical Activity Behavior Change Using a Smartphone App: Randomized Controlled Trial
Investigating Rewards and Deposit Contract Financial Incentives for Physical Activity Behavior Change Using a Smartphone App: Randomized Controlled Trial Open
Background Financial incentive interventions for improving physical activity have proven to be effective but costly. Deposit contracts (in which participants pledge their own money) could be an affordable alternative. In addition, deposit …
View article: Time and lexicographic preferences in the valuation of EQ-5D-Y with time trade-off methodology
Time and lexicographic preferences in the valuation of EQ-5D-Y with time trade-off methodology Open
View article: Correcting for discounting and loss aversion in composite time trade‐off
Correcting for discounting and loss aversion in composite time trade‐off Open
Time trade‐off utilities have been suggested to be biased upwards. This bias is a result of the method being applied assuming linear utility of life duration, which is violated when individuals discount future life years or are loss averse…
View article: Expect Nothing: The (Lack of) Influence of Subjective Life Expectancy on Valuation of Child Health States
Expect Nothing: The (Lack of) Influence of Subjective Life Expectancy on Valuation of Child Health States Open
Objective Earlier research has shown that individuals' subjective life expectancy (SLE) affects health state valuation with time trade-off (TTO). Individuals with longer expected life durations are less willing to trade-off life duration, …
View article: Less carrot more stick? Investigating rewards and deposit contract financial incentives for physical activity behavior change using a smartphone application: randomised controlled trial (Preprint)
Less carrot more stick? Investigating rewards and deposit contract financial incentives for physical activity behavior change using a smartphone application: randomised controlled trial (Preprint) Open
BACKGROUND Financial incentive interventions for improving physical activity have proven to be effective but costly. Deposit contracts (a type of incentive in which participants pledge their own money) could be an affordable alternative. …
View article: Why Do Adults Value EQ-5D-Y-3L Health States Differently for Themselves Than for Children and Adolescents: A Think-Aloud Study
Why Do Adults Value EQ-5D-Y-3L Health States Differently for Themselves Than for Children and Adolescents: A Think-Aloud Study Open
Our results indicate that differences in adults' health-state preferences for themselves and a 10-year-old child largely result from differences in thoughts about nonhealth-related factors. They further indicate that health-state preferenc…
View article: What Do They Know? Comparing Public Knowledge and Opinions about Rodent Management to the Expectations of Pest Controllers
What Do They Know? Comparing Public Knowledge and Opinions about Rodent Management to the Expectations of Pest Controllers Open
Integrated pest management (IPM) involves the control of pests, such as rodents, based on preventive measures and reduced use of chemical control. In view of the number of reported rodent infestations, it appears unlikely that the public h…
View article: Self vs. other, child vs. adult. An experimental comparison of valuation perspectives for valuation of EQ-5D-Y-3L health states
Self vs. other, child vs. adult. An experimental comparison of valuation perspectives for valuation of EQ-5D-Y-3L health states Open
View article: Think of the Children: A Discussion of the Rationale for and Implications of the Perspective Used for EQ-5D-Y Health State Valuation
Think of the Children: A Discussion of the Rationale for and Implications of the Perspective Used for EQ-5D-Y Health State Valuation Open