Toileting at Night in Older Adults: Light to Maximize Balance, Minimize Insomnia

Not Applicable

Completed

• Conditions: Aging; Falls; Insomnia; Balance
• Interventions: Behavioral: White light exposure; Behavioral: Dim white light exposure; Behavioral: Very dim white light exposure; Behavioral: Dim orange light exposure

• Registration Number: NCT01350505
• Lead Sponsor: VA Office of Research and Development

Brief Summary

To examine the change in balance that occurs in older individuals when exposed to different colored lights at night.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study First Submitted: 2011-05-06
• Study First Submitted QC: 2011-05-06
• Study First Posted: 2011-05-09
• Study Start: 2013-10-15
• Primary Completion: 2017-01-31
• Study Completion: 2017-06-30
• Results First Submitted: 2018-01-04
• Status Verified: 2018-09
• Results First Submitted QC: 2018-09-26
• Last Update Submitted: 2018-09-26
• Results First Posted: 2019-02-15
• Last Update Posted: 2019-02-15

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 21

Inclusion Criteria

• Aged 55-85
• Stable health
• Normal color vision

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Exclusion Criteria

• Alcohol abuse
• Depression
• Sleep disorders
• Smoking
• Use of illegal drugs

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
All subjects	Very dim white light exposure	13 minutes of light at night (2 hours after bedtime)
All subjects	White light exposure	13 minutes of light at night (2 hours after bedtime)
All subjects	Dim white light exposure	13 minutes of light at night (2 hours after bedtime)
All subjects	Dim orange light exposure	13 minutes of light at night (2 hours after bedtime)

Primary Outcome Measures

Name	Time	Method
Change in Balance	13 minutes	Balance was assessed during a 13-minute nocturnal light exposure (4 different conditions) and differences between the conditions were assessed. To determine goodness of balance while walking, the variability in stride length (i.e., variance in stride-to-stride length) was calculated in each of the conditions. Increased variability in stride length is associated with increased risk of falling.

Trial Locations

Locations (1)

VA Palo Alto Health Care System, Palo Alto, CA; 🇺🇸 Palo Alto, California, United States