Design and protocol of the weight loss lottery: A cluster randomized trial

K. van der Swaluw, M. Lambooij, J.J.P. Mathijssen, M. Schipper, M. Zeelenberg, J.J. Polder, H.M. Prast

Research output: Contribution to journalArticleScientificpeer-review

Abstract

People often intend to exercise but find it difficult to attend their gyms on a regular basis. At times, people seek and accept deadlines with consequences to realize their own goals (i.e. commitment devices). The aim of our cluster randomized controlled trial is to test whether a lottery-based commitment device can promote regular gym attendance. The winners of the lottery always get feedback on the outcome but can only claim their prize if they attended their gyms on a regular basis. In this paper we present the design and baseline characteristics of a three-arm trial which is performed with 163 overweight participants in six in-company fitness centers in the Netherlands.
Keywords: Physical activity, Cluster randomized trial, Lottery deadline, Commitment device
Original languageEnglish
Pages (from-to)109–115
JournalContemporary Clinical Trials
Volume49
DOIs
Publication statusPublished - 2016

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title = "Design and protocol of the weight loss lottery: A cluster randomized trial",
abstract = "People often intend to exercise but find it difficult to attend their gyms on a regular basis. At times, people seek and accept deadlines with consequences to realize their own goals (i.e. commitment devices). The aim of our cluster randomized controlled trial is to test whether a lottery-based commitment device can promote regular gym attendance. The winners of the lottery always get feedback on the outcome but can only claim their prize if they attended their gyms on a regular basis. In this paper we present the design and baseline characteristics of a three-arm trial which is performed with 163 overweight participants in six in-company fitness centers in the Netherlands.Keywords: Physical activity, Cluster randomized trial, Lottery deadline, Commitment device",
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Design and protocol of the weight loss lottery : A cluster randomized trial. / van der Swaluw, K.; Lambooij, M.; Mathijssen, J.J.P.; Schipper, M.; Zeelenberg, M.; Polder, J.J.; Prast, H.M.

In: Contemporary Clinical Trials, Vol. 49, 2016, p. 109–115.

Research output: Contribution to journalArticleScientificpeer-review

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T2 - A cluster randomized trial

AU - van der Swaluw, K.

AU - Lambooij, M.

AU - Mathijssen, J.J.P.

AU - Schipper, M.

AU - Zeelenberg, M.

AU - Polder, J.J.

AU - Prast, H.M.

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