The Impact of Brief One-time Education and Coach Encouragement on Hydration Status in Child Judo Athletes

NCT06992817 | Completed

• 1 other identifier: E.912346
• Study Type: interventional
• Target: 74
• Locations: 1 country
• Sites: 1

Brief Summary

Due to the lack of any comparative study related to effect of different hydration processes, this study aimed to compare the effectiveness of coach encouragement and hydration education in maintaining hydration status in child judo athletes

Conditions

Dehydration in Children; Dehydration

Keywords

hypohydration; health; athletic population; combat sports

Outcome Measures

Primary Outcomes (1)

• hydration status (i.e., urine specific gravity and urine colour)

  A urine sample was taken from each athlete one hour before and immediately after the exercise sessions. The samples were placed in plastic cups and USG was determined with a digital refractometer (ATAGO PAL-10S, Japan) in the training hall by the same researcher each time. USG measurements were carried out after the urine samples were refrigerated to temperature of 20° and UC was classified under LED light condition. As soon as the urine samples were analyzed for USG and classified for urine colour (UC), they were immediately disposed. USG was classified according to suggestion by National Athletic Trainers' Association as hydrated (USG \<1.020) and hypohydrated (USG≥1.020).

  4 days

Study Arms (3)

No-intervention (Control)

NO INTERVENTION

This arm did not receive any intervention. They completed the training session without any encouragement related to fluid intake.

Coach encouragement (Intervention 1)

EXPERIMENTAL

During this intervention, athletes were encouraged by their coaches to consume fluids during the training.

Behavioral: Hydration-Coach Encouragement

Hydration education (Intervention 2)

EXPERIMENTAL

During this interventio, athletes were given a brief hydration education before the training session.

Behavioral: Short Hydration Informative Session

Interventions

Hydration-Coach Encouragement BEHAVIORAL

Athletes were encouraged by their coaches to consume fluids during the training session.

Also known as: Encouragement

Coach encouragement (Intervention 1)

Short Hydration Informative Session BEHAVIORAL

Athletes were given a brief educational session related to importance of hydration before the exercise session.

Also known as: A brief hydration education

Hydration education (Intervention 2)

Eligibility Criteria

• Age: 9 Years - 13 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Child (0-17)

You may qualify if:

• having at least three years of judo experience
• having at least a green belt
• being healthy enough to attend all training sessions during the camp.

You may not qualify if:

• having less than three years of judo experience
• having orange belt or lower
• not being healthy enough to attend all training sessions during the camp.

Sponsors & Collaborators

• Kastamonu University: lead
• Selcuk University: collaborator
• Duzce University: collaborator
• Harran University: collaborator
• Mustafa Kemal University: collaborator
• Bartın Unıversity: collaborator

Study Sites (1)

Bartın Judo Hall

Bartın, 74100, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Dehydration

Condition Hierarchy (Ancestors)

Water-Electrolyte Imbalance; Metabolic Diseases; Nutritional and Metabolic Diseases; Pathologic Processes; Pathological Conditions, Signs and Symptoms

Study Officials

• Şükrü Serdar Balcı, PhD

  Selcuk University

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NON RANDOMIZED
• Masking: SINGLE
• Who Masked: PARTICIPANT
• Masking Details: Athletes were unaware of the intervention conditions assigned to each day, and the educational session was presented without emphasizing its experimental nature. The order of conditions was fixed (control first, then coach encouragement, and finally education) to minimize potential carryover effects.
• Purpose: TREATMENT
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assoc. Prof.

Study Record Dates

• First Submitted: May 6, 2025
• First Posted: May 28, 2025
• Study Start: February 10, 2025
• Primary Completion: February 15, 2025
• Study Completion: February 15, 2025
• Last Updated: May 28, 2025

Record last verified: 2025-05

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF
• Time Frame: June-September 2025
• Access Criteria: Upon request.

Locations

TU (1)