Publications by authors named "Walter Dempsey"

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A just-in-time adaptive mobile application intervention to reduce sodium intake and blood pressure in patients with hypertension: Rationale and design of the LowSalt4Life 2 trial.
Michael P Dorsch, Walter Dempsey, Amy Krambrink, Sabah Ganai, Kaitlyn M Greer

Am Heart J· February 2026

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A meta-learning method for estimation of causal excursion effects to assess time-varying moderation.
Jieru Shi, Walter Dempsey

Biometrics· October 2025

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Selective Inference for Sparse Graphs via Neighborhood Selection.
Yiling Huang, Snigdha Panigrahi, Walter Dempsey

Electron J Stat· September 2025

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Improving Affective Associations With Physical Activity via a Message-Based mHealth Intervention (WalkToJoy): Proof-of-Concept Study.
Soo Ji Serisse Choi, Pei-Yao Hung, Mengyun Liu, Walter Dempsey, Mark W Newman

J Med Internet Res· August 2025

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A Continuous-Time Dynamic Factor Model for Intensive Longitudinal Data Arising from Mobile Health Studies.
Madeline R Abbott, Walter H Dempsey, Inbal Nahum-Shani, Cho Y Lam, David W Wetter

Psychometrika· June 2025

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A Bayesian joint longitudinal-survival model with a latent stochastic process for intensive longitudinal data.
Madeline R Abbott, Walter H Dempsey, Inbal Nahum-Shani, Lindsey N Potter, David W Wetter

Biometrics· April 2025

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A circadian and app-based personalized lighting intervention for the reduction of cancer-related fatigue.
Caleb Mayer, Olivia Walch, Walter Dempsey, Kevin Hannay, Caroline Clingan

Cell Rep Med· March 2025

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A latent variable approach to jointly modeling longitudinal and cumulative event data using a weighted two-stage method.
Madeline R Abbott, Inbal Nahum-Shani, Cho Y Lam, Lindsey N Potter, David W Wetter, Walter H Dempsey

Stat Med· September 2024

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Text Messages to Promote Physical Activity in Patients With Cardiovascular Disease: A Micro-Randomized Trial of a Just-In-Time Adaptive Intervention.
Jessica R Golbus, Jieru Shi, Kashvi Gupta, Rachel Stevens, V Swetha E Jeganathan, Walter Dempsey

Circ Cardiovasc Qual Outcomes· July 2024

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Exploring the Big Data Paradox for various estimands using vaccination data from the global COVID-19 Trends and Impact Survey (CTIS).
Youqi Yang, Walter Dempsey, Peisong Han, Yashwant Deshmukh, Sylvia Richardson

Sci Adv· May 2024

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Design of experiments with sequential randomizations on multiple timescales: the hybrid experimental design.
Inbal Nahum-Shani, John J Dziak, Hanna Venera, Angela F Pfammatter, Bonnie Spring, Walter Dempsey

Behav Res Methods· March 2024

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SMART Binary: New Sample Size Planning Resources for SMART Studies with Binary Outcome Measurements.
John J Dziak, Daniel Almirall, Walter Dempsey, Catherine Stanger, Inbal Nahum-Shani

Multivariate Behav Res· February 2024

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A Robust Mixed-Effects Bandit Algorithm for Assessing Mobile Health Interventions.
Easton K Huch, Jieru Shi, Madeline R Abbott, Jessica R Golbus, Alexander Moreno, Walter H Dempsey

Adv Neural Inf Process Syst· January 2024

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ADDRESSING SELECTION BIAS AND MEASUREMENT ERROR IN COVID-19 CASE COUNT DATA USING AUXILIARY INFORMATION.
Walter Dempsey

Ann Appl Stat· December 2023

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Integrating Intensive Longitudinal Data (ILD) to Inform the Development of Dynamic Theories of Behavior Change and Intervention Design: a Case Study of Scientific and Practical Considerations.
Lindsey N Potter, Jamie Yap, Walter Dempsey, David W Wetter, Inbal Nahum-Shani

Prev Sci· November 2023

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A Text Messaging Intervention for Priming the Affective Rewards of Exercise in Adults: Protocol for a Microrandomized Trial.
Sonali R Mishra, Walter Dempsey, Predrag Klasnja

JMIR Res Protoc· September 2023

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A randomized trial of a mobile health intervention to augment cardiac rehabilitation.
Jessica R Golbus, Kashvi Gupta, Rachel Stevens, V Swetha E Jeganathan, Evan Luff, Walter Dempsey

NPJ Digit Med· September 2023

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ASSESSING TIME-VARYING CAUSAL EFFECT MODERATION IN THE PRESENCE OF CLUSTER-LEVEL TREATMENT EFFECT HETEROGENEITY AND INTERFERENCE.
Jieru Shi, Zhenke Wu, Walter Dempsey

Biometrika· September 2023

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Effectiveness of gamified team competition as mHealth intervention for medical interns: a cluster micro-randomized trial.
Jitao Wang, Yu Fang, Elena Frank, Maureen A Walton, Margit Burmeister, Walter Dempsey

NPJ Digit Med· January 2023

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Hybrid Experimental Designs for Intervention Development: What, Why, and How.
Inbal Nahum-Shani, John J Dziak, Maureen A Walton, Walter Dempsey

Adv Methods Pract Psychol Sci· September 2022

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Virtual AppLication-supported Environment To INcrease Exercise (VALENTINE) during cardiac rehabilitation study: Rationale and design.
V Swetha Jeganathan, Jessica R Golbus, Kashvi Gupta, Evan Luff, Walter Dempsey

Am Heart J· June 2022

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