Dataset Information

Behavioral economics implementation: Regret lottery improves mHealth patient study adherence.

ABSTRACT:

Background

Nonadherence to study protocols reduces the generalizability, validity, and statistical power of longitudinal studies.

Purpose

To determine whether an automated electronically-delivered regret lottery would improve adherence to an intensive mHealth self-monitoring protocol as part of a longitudinal observational study.

Methods

We enrolled 77 adults into a 52-week study requiring five daily ecologic momentary assessments (EMA) of stress and daily accelerometer use. We performed a pre/post single-arm study to evaluate the efficacy of a lottery intervention in improving adherence to this protocol. Midway through the study, participants were invited to enter a weekly regret lottery ($50 prize, expected value <$1) in which prize collection was contingent upon meeting adherence thresholds for the prior week. Study protocol adherence before and after lottery initiation were compared using mixed models repeated measures analysis of variance.

Results

62 participants consented to lottery participation. In the 12 weeks prior to lottery initiation, weekly adherence was declining (slope -1.4%/week). The weekly per-participant probability of adherence was higher after lottery initiation when comparing the 4-week (32% pre-lottery vs 50% post-lottery, p < 0.001), 8-week (37% vs 49%, p < 0.001), and 12-week periods (39% vs 45%, p = 0.001) before and after lottery initiation. However, the rate of decline in adherence over time was unchanged.

Conclusion

The implementation of an automated, electronically-delivered weekly regret lottery improved adherence with an intensive self-monitoring study protocol. Regret lotteries may represent a cost-effective tool to improve adherence and reduce bias caused by dropout or nonadherence.

SUBMITTER: Husain SA

PROVIDER: S-EPMC6555893 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Publications

Behavioral economics implementation: Regret lottery improves mHealth patient study adherence.

Husain S Ali SA Diaz Keith K Schwartz Joseph E JE Parsons Faith E FE Burg Matthew M MM Davidson Karina W KW Kronish Ian M IM

Contemporary clinical trials communications 20190531

<h4>Background</h4>Nonadherence to study protocols reduces the generalizability, validity, and statistical power of longitudinal studies.<h4>Purpose</h4>To determine whether an automated electronically-delivered regret lottery would improve adherence to an intensive mHealth self-monitoring protocol as part of a longitudinal observational study.<h4>Methods</h4>We enrolled 77 adults into a 52-week study requiring five daily ecologic momentary assessments (EMA) of stress and daily accelerometer use ...[more]

PMID: 31198881

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Dataset Information

Behavioral economics implementation: Regret lottery improves mHealth patient study adherence.

Background

Purpose

Methods

Results

Conclusion

Publications

Behavioral economics implementation: Regret lottery improves mHealth patient study adherence.

Similar Datasets

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