The effect of nutritional intervention and physical activities on weight reduction

AUTHORS

Yahya Pasdar 1 , Soraya Moridi 2 , Farid Najafi 1 , * , Parisa Niazi 1 , Mohammad Heidary 1

1 Health Research Center, Public Heath School, Kermanshah University of Medical Sciences, Kermanshah, Iran

2 Public Heath Care Center, Kermanshah University of Medical Sciences, Kermanshah, Iran

How to Cite: Pasdar Y, Moridi S , Najafi F, Niazi P, Heidary M. The effect of nutritional intervention and physical activities on weight reduction , J Kermanshah Univ Med Sci. 2012 ; 15(6):e78894.

ARTICLE INFORMATION

Journal of Kermanshah University of Medical Sciences: 15 (6); e78894
Published Online: March 19, 2012
Article Type: Research Article
Received: March 01, 2011
Accepted: July 19, 2011

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Abstract

Background: Overweight and obesity increasing world wide because of changing life style and dietary habits. Diet therapy plays an important role to prevent obesity outcomes. The aim of this study was determining the effects of diet therapy on weight reduction and fitness.

Methods: A clinical trial study was conducted using convenient sampling method and 216 subjects (190 female and 26 male) were recruited using BMI > 27 cut-off. After primary examinations all subjects received a low calorie diet for six months. Weight, height, BMI, percent of body fat, fat free mass and total body water were determined and body composition were measured and recorded following six months nutritional intervention. Data was analyzed using repeated measure ANOVA.

Results: The mean age of participants was 37.5+12.1 in women and 38.18+15.3 year in men. There was significant weight reduction between admission and six months after treatment 84.7+17.9 vs. 77.3+3.2kg (p<0.003). Significantly decrease in BMI before and after six months intervention 31.7+5.6 vs. 28.5+4.4 (p<0.003) was observed. The study showed more than 10% weight reduction after six months diet therapy (p<0.01).

Conclusion: The study confirmed the effect of low calorie diet on weight reduction both in male and female which may reduce cardio vascular disease risk factors. Increasing public knowledge about healthy eating, weight management and obesity side effects as well as referring high-risk subjects to nutritionists for treatment highly recommended.

Keywords

obesity overweight diet therapy BMI physical activity

© 2012, Journal of Kermanshah University of Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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