The Combined Effects of Energy Density and Variety on Intake

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age20-60
SponsorCornell University

About this trial

The primary purpose of this study is to investigate the influence independent fn combined influence of variety and energy density on food intake at a meal. Additionally, individual characteristics will be examined for their influence on the effects of variety and energy density on intake.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Regularly consume 3 meals per day

Like, are willing to eat, and do not have allergies to the study foods

Are willing to refrain from drinking alcohol the day before study visits

Are willing to consume a consistent breakfast the day of study visits

Disqualifiers

Experienced a weight change >5 kg in the past month

Are a smoker

Are an athlete in training

Take medications or have a health condition known to affect appetite

Trial design

Design model

Crossover

Treatments tested in this trial

  • Low Variety

    Other intervention

    Only one food served

  • High Variety

    Other intervention

    Three foods served

  • Low ED

    Other intervention

    Foods are low in energy density

  • High ED

    Other intervention

    Foods are high in energy density

Treatment groups

50 Participants
are divided into 4 treatment groups
Group A: Low variety, Low EDExperimental treatment 2 interventions
Group B: Low variety, High EDExperimental treatment 2 interventions
Group C: High variety, Low EDExperimental treatment 2 interventions
Group D: High variety, High EDExperimental treatment 2 interventions

Trial outcomes

Primary outcomes

1

Change in food intake

Weight (grams) of the food consumed

Time frame
Weeks 1, 2, 3, 4
2

Change in energy intake

Energy (kcal) of the food consumed

Time frame
Weeks 1, 2, 3, 4

Secondary outcomes

1

Change in water intake

Weight (grams) of water consumed

Time frame
Weeks 1, 2, 3, 4
2

Change in meal duration

Duration of the meal in minutes

Time frame
Weeks 1, 2, 3, 4
3

Change in eating rate

Mean food intake per minute (grams/minute), calculated by dividing meal food intake by meal duration

Time frame
Weeks 1, 2, 3, 4
4

Change in sip count

The number of sips of water during the meal

Time frame
Weeks 1, 2, 3, 4

Other outcomes

Sponsors and contacts

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