Night Eating Syndrome Means Less Weight
Loss
Night Eating Syndrome Is Associated with
Depression, Low Self-Esteem, Reduced Daytime Hunger, and Less Weight Loss
in Obese Outpatients
NES & Weight Loss Study - Aim
The objective of this study was to assess the relationship between the
night eating syndrome (NES), measures of depression and self-esteem, test
meal intake, and weight loss in obese participants.
NES & Weight Loss Study - Methods
The study included 76 overweight (body mass index = 36.7 ± 6.5
SD) outpatients (53 women and 23 men; aged 43.5 ± 9.5 years) entering
a weight loss program. They completed a Night Eating Questionnaire, the
Zung Depression Inventory, and the Rosenberg Self-Esteem Scale. Based
on criteria by Stunkard et al. (Stunkard A, Berkowitz R, Wadden T, Tanrikut
C, Reiss E, Young L. Binge eating disorder and the night eating syndrome.
Int J Obes Relat Metab Disord. 1996;20:1-6), participants had NES if they
reported: (1) skipping breakfast 4 d/wk, interpreted as morning anorexia;
(2) consuming more than 50 percent of total daily calories after 7 PM;
and (3) difficulty falling asleep or staying asleep 4 d/wk. Eleven (14
percent) participants met the criteria for NES. After an 8-hour fast,
all participants ingested a nutritionally complete liquid meal through
a straw from a large opaque cooler until extremely full. They also completed
ratings of hunger and fullness before and after this meal.
NES & Weight Loss Study - Results
Night eaters had higher depression, lower self-esteem, and less hunger,
and a trend for more fullness before the daytime test meal than the others.
However, there were no significant differences in test-meal intake between
groups. Nevertheless, test-meal intake was greater later in the day only
for the night eaters. Over a 1-month period, the night eaters lost less
weight (4.4 ± 3.2 kg) than the others (7.3 ± 3.2 kg), after
controlling for body mass index.
NES & Weight Loss Study - Issues
NES is a syndrome with distinct psychopathology and increased food intake
later in the day, both of which may contribute to poorer weight loss outcome.
NES criteria need to be better quantified and NES deserves consideration
as a diagnostic eating disorder.
Source: Columbia University-College of
Physicians and Surgeons, New York, New York. 2003
Weight Loss & Obesity Reduction
The science of weight loss and weight management is constantly evolving,
along with research into diet modification, types of gastrointestinal
weight loss surgery and weight loss drugs. At present, however, a balanced
diet plan combined with a regular fitness program remains the favored
weight control strategy of most weight loss experts. Return to Weight Loss Data
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