Self-efficacy Training to Facilitate Taking Cold Showers

NCT ID: NCT07120022

Last Updated: 2025-08-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

127 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-12-05

Study Completion Date

2024-06-02

Brief Summary

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The primary goal of this study is to determine whether a self-efficacy training can increase the probability of taking cold showers regularly over a three-month period. Secondary objectives are to assess effects on physical and mental well-being, sleep quality, skin and hair appearance, perceived illness, and related sickness absences from work.

Detailed Description

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This study is an extension of our two ongoing studies: Feasibility and effects of taking cold showers: A randomized controlled study (Study ID 2019-00529) and Mindset interventions to facilitate taking cold showers: A randomized controlled study (Study ID 2022-00952), which have been approved by the EKNZ. Our ongoing study closely follows the protocol of a previous and similar study by Buijze and colleagues (2016).

This study extends our ongoing study by including experimental conditions, while retaining the original study procedure, i.e., the same recruitment, inclusion/exclusion criteria, and assessments.

Conditions

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Psychological and Behavioral Symptoms

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Self-efficacy training

Self-efficacy training

Group Type EXPERIMENTAL

Self-efficacy training

Intervention Type OTHER

The primary goal of this study is to determine whether self-efficacy training can increase the probability of taking cold showers regularly over a three-month period.

No Training

No Training

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Self-efficacy training

The primary goal of this study is to determine whether self-efficacy training can increase the probability of taking cold showers regularly over a three-month period.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* In good health and between 18 and 65 years of age
* Do not take cold showers on a regular basis

Exclusion Criteria

* Pregnant or lactating women (assessed via self-report)
* Cardiac, pulmonary or any other severe disease (assessed via self-report)
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University Hospital, Basel, Switzerland

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Jens Gaab, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

University of Basel, Division Clinical Psychology and Psychotherapy

Locations

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University of Basel Faculty of Psychology Division for Clinical Psychology and Psychotherapy

Basel, Canton of Basel-City, Switzerland

Site Status

Countries

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Switzerland

References

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Buijze GA, Sierevelt IN, van der Heijden BC, Dijkgraaf MG, Frings-Dresen MH. The Effect of Cold Showering on Health and Work: A Randomized Controlled Trial. PLoS One. 2016 Sep 15;11(9):e0161749. doi: 10.1371/journal.pone.0161749. eCollection 2016.

Reference Type BACKGROUND
PMID: 27631616 (View on PubMed)

Other Identifiers

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eknz2023-01677

Identifier Type: -

Identifier Source: org_study_id

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