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COOL Challenge: The effect of a (hot-to) cold shower on health and work


- candidate number22391
- NTR NumberNTR5183
- ISRCTNISRCTN no longer applicable
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR27-jun-2015
- Secondary IDsW14_244 # 14.17.0296 METC AMC
- Public TitleCOOL Challenge: The effect of a (hot-to) cold shower on health and work
- Scientific TitleThe effect of a (hot-to) cold shower on health and work: a randomized controlled trial
- ACRONYMCOOL Challenge
- hypothesisThe primary aim is to determine whether a regular (hot-to-) cold shower can have a beneficial effect on immune function by reducing sickness absence. Secondary aims are to determine effects on quality of health and work productivity.
- Healt Condition(s) or Problem(s) studiedHealth, Quality of life, Work functioning
- Inclusion criteria-Men and women aged 18-65
-Employed
-No previous experience of cold bathing
- Exclusion criteria-Significant comorbidity (such as severe cardiovascular or pulmonary disease)
- mec approval receivedyes
- multicenter trialno
- randomisedyes
- masking/blindingNone
- controlActive
- groupParallel
- Type2 or more arms, randomized
- Studytypeintervention
- planned startdate 1-jan-2015
- planned closingdate1-apr-2015
- Target number of participants2000
- InterventionsDaily cold shower during 30 days starting warm as hot and long as preferred but ending with 30, 60 or 90 seconds according to group showering at the coldest available temperature
Intervention period : January 1st-30th 2015.
Follow-up period: January 31st-March 31st 2015. Participants of all three intervention groups are instructed to shower cold or warm as preferred
- Primary outcomeSickness absence in study period (from January to March 2015)
- Secondary outcomeTime of subjective sickness, quality of health and work productivity
- TimepointsSee above
- Trial web sitewww.coolchallenge.nl
- statusstopped: trial finished
- CONTACT FOR PUBLIC QUERIESMD PhD Geert Buijze
- CONTACT for SCIENTIFIC QUERIESMD PhD Geert Buijze
- Sponsor/Initiator Academic Medical Center (AMC), Amsterdam
- Funding
(Source(s) of Monetary or Material Support)
None
- Publications
- Brief summary
- Main changes (audit trail)
- RECORD27-jun-2015 - 2-jul-2015


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