The purpose of this study is to determine the effect of carbohydrates of familiar breakfast meals on glycemic response, subjective appetite, and food intake in normal weight (NW) and overweight or obese (OW/OB) children.
Regular breakfast eating NW and OW/OB children, 9-14 years of age, will participate in the experiment. Four isocaloric (450 kcal) breakfasts (eggs with a side of French fries, mashed potatoes, or beans, and control breakfast of milk, cereal and toast) and breakfast skipping will be examined. On five separate mornings, 7 days apart and after a 12 hour overnight fast, each participant will receive one of the four breakfasts or skip breakfast, in a randomized counterbalanced order. Participants will be given an ad libitum lunch 3 hours after breakfast and parents will report the rest of day food record for food intake analysis. Blood glucose will be measured via finger-prick at baseline, and 30, 60, 120, and 180 minutes after breakfast consumption. Subjective appetite will be measured with a visual analogue scale at baseline and every 15 minutes for 1 hour, and every hour for 3 hours.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
22
Isocaloric (450 kcal) breakfast treatments of eggs with a side of mashed potatoes
Isocaloric (450 kcal) control breakfast treatments of cereal, milk, toast and jam
No breakfast
School of Nutrition, Ryerson University
Toronto, Ontario, Canada
Short-term food intake (kcal)
Participants will consume an ad libitum lunch 3 hours post breakfast consumption.
Time frame: 3 hours after breakfast
Subjective appetite
Participants will complete subjective ratings on appetite and well-being
Time frame: Baseline, at 15 or 60 minutes intervals for 3 hours
Blood glucose
Finger prick capillary blood glucose will be collected
Time frame: Baseline, 30, 60, 120 and 180 minutes after breakfast
Rest of day food record
Parents/guardians will record participants' food intake until the end of the day
Time frame: 8-12 hours
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Isocaloric (450 kcal) breakfast treatments of eggs with a side of French fries
Isocaloric (450 kcal) breakfast treatments of eggs with a side of beans