Efficacy of a Smart Water Bottle Intervention to Increase Fluid Consumption in College Students

Part of paid clinical trials in Kennesaw, Georgia.

Sponsor
Kennesaw State University
Study ID
NCT06259799
Status
Recruiting
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Conditions

  • Dehydration

Eligibility Criteria

Sex
ALL
Age
18 Years - 35 Years
Healthy Volunteers
Accepted

Interventions

  • Smart Water Bottle — BEHAVIORAL
    Participants in the intervention group will receive a bottle which measures participant fluid consumption. The bottle will be set to recommend 2.5L for male participants and 2.0L for female participants, consistent with fluid intake recommendations from the European Food Safety Authority for each sex. Participants will be prompted by the bottle (bottle will light up) when they are behind on fluid intake recommendations. Participants will use a validated urine color chart, 9 point Likert scale for thirst, and measure nude body mass on their own each morning. Participants will be informed that higher values for nude body mass and thirst, and lower values for nude body mass each morning may indicate they are less hydrated day-to-day.

Study Details

Approximately 60% of males and 40% of females do not meet current fluid intake recommendations, which is associated with adverse health consequences such as obesity, diabetes, and chronic kidney disease. Newer technologies have been designed to promote fluid intake. "Smart Water Bottles" use mHealth technology to capture fluid intake behaviors automatically and provide cues to encourage fluid consumption. Studies using Smart Water Bottles have helped some individuals increase fluid intake to help reduce kidney stone formation. However, limited research has assessed the efficacy of this technology on improving fluid intake in college students. College is a time with the potential to form healthy habits that carry into adulthood. Previous work has also identified daily changes in morning urine color, thirst perception, and body mass, as simple, inexpensive indicators of daily fluctuations in water balance. Tracking changes in these metrics has the potential to provide participants with evidence of adequate or inadequate fluid consumption. Thus, the combination of prompting from a smart water bottle, as well as daily self-monitoring changes in hydration status, may encourage college students to increase daily fluid consumption.

Key Dates

Start date
Apr 1, 2024
Status verified
Aug 2025
Primary completion
Dec 31, 2025
Completion
Apr 30, 2026

Study Design

Enrollment
30 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION

Arms

  • Experimental: Smart Water Bottle
    Participants in the intervention group will be prompted by the water bottle to drink (bottle will light up red) whenever they are behind on fluid intake recommendations for the day. The bottle will be linked to a smart phone application that participants will be instructed to download on their personal mobile device, but they will log into this device using a researcher provided username and password. The bottle will encourage male participants to consume 2.5 L and for female participants to consume 2.0 L of fluid. Participants will be asked to use this bottle to consume all water and enter any additional sources of fluid using the mobile application. The intervention group will also be asked to record their daily perceived thirst, first morning urine color, and body mass as a means of self-monitoring daily changes in hydration status, using a provided paper log.
  • No Intervention: Control
    The control group will be asked to go about daily activities as normal. They will not receive the water bottle and will not be asked to track daily measures of thirst, morning urine color, or body mass.

Primary Outcome Measure

Total Fluid Intake [ Time Frame: Pre and Post 2-week intervention ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Kennesaw State UniversityKennesawGeorgia30144
Mitchell Zaplatosch, PhD
[email protected]

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By research site
Kennesaw State University· Kennesaw, GA

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