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Minerva Endocrinologica 2020 Jul 23

DOI: 10.23736/S0391-1977.20.03212-5

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Nutrition knowledge is associated with greater weight loss in obese patients following a multidisciplinary rehabilitaiton program

Luisa GILARDINI 1 , Raffaella CANCELLO 1, Katherine CAFFETTO 1, Raffaella COTTAFAVA 1, Ilaria GIRONI 1, Cecilia INVITTI 2

1 Istituto Auxologico Italiano, IRCCS, Obesity Unit and Laboratory of Nutrition and Obesity Research, Department of Endocrine and Metabolic Diseases, Milan, Italy, 2 Istituto Auxologico Italiano, IRCCS, Research Laboratory in Preventive Medicine , Milan, Italy


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BACKGROUND: A major objective of the metabolic-nutritional-psychological multidisciplinary rehabilitation of obese subjects is providing a nutritional education aimed at achieving a weight loss and the improvement of obesity-related cardio-metabolic diseases. The impact of nutrition knowledge in healthy eating patterns and weight loss is still debated. The aim of this study was to identify whether the increase in nutrition knowledge is associated with weight loss.
METHODS: 256 obese patients (80% women, mean age 57.5±12.4 yrs) were consecutively recruited among those referred for a 3-month metabolic-nutritional-psychologic rehabilitation program. Education level and time of the onset of obesity were collected. Before and at the end of the intervention, anthropometric measures and body composition were assessed and the Moynihan Questionnaire (MQ) and the International Physical Activity Questionnaire administered. The weight loss maintenance was evaluated in patients who attended the 6-month follow-up visit.
RESULTS: Nutrition knowledge was poor/sufficient in 97/256 obese patients. The MQ score was associated with the education level but not with age, gender and body mass index. After rehabilitation, there was an increase in nutrition knowledge (mean score change -12±10.5%, p<0.0001) in the whole group of patients as well as in those with poor knowledge, 77% of whom reached a good/high level of knowledge on healthy diet. The improvement in knowledge was greater in patients with a weight loss ≥5% (p<0.05 vs patients with a lower weight loss). Weight maintenance at follow-up, was associated with a better improvement in the nutritional knowledge during the previous rehabilitation.
CONCLUSIONS: Weight-management programs should include a strong component of nutrition education to alleviate knowledge inequalities and promote more effective weight loss and control. The MQ may be a useful tool to verify the nutritional education carried out during the rehabilitation of obese subjects.


KEY WORDS: Obesity; Weight loss; Rehabilitation; Health education

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