Eating Behaviors in Shift Workers

Columbia University

Status: Active, not recruiting

Conditions: Eating Behavior; Shift Work Type Circadian Rhythm Sleep Disorder

Treatments: Behavioral: Portion size

Study type: Interventional

Funder types: Other

Identifiers

NCT04468672

AAAS8559

Details and patient eligibility

About

This study will compare eating behaviors and measures of hunger and fullness between day and night workers in order to better understand why night workers are at increased risk for obesity and related diseases.

Enrollment: 100 estimated patients

Sex: All

Ages: 20 to 55 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Work ~ 8-hour shifts during day or night on 3 or more consecutive days of the week
• BMI 19-35 kg/m^2
• Age 20-55 years of age
• Metabolically healthy
• Weight stable over previous 3 months
• Lives in New York City area

Exclusion criteria

• Pregnant or less than 1 year postpartum at time of study
• Smoking
• History of drug or alcohol abuse
• Rotating shift work
• Habitual sleep duration of more than 6 hour per night
• Obstructive sleep apnea
• Transmeridian travel
• Type 2 diabetes
• Cardiovascular disease
• Hypertension
• Participation in diet or weight loss program in the 3 months prior to enrollment
• Psychiatric or sleep disorder
• Food allergies or intolerances
• Dislike of or unwillingness to eat test foods

Trial design

Primary purpose: Treatment

Allocation: Non-Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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100 participants in 2 patient groups

Day worker

Active Comparator group

Description:

Men and women who work only day shift for at least 3 consecutive days of the week

Treatment:

Behavioral: Portion size

Night worker

Active Comparator group

Description:

Men and women who work only night shift for at least 3 consecutive days of the week

Treatment:

Behavioral: Portion size