Higher dietary diversity score is associated with obesity: a case-control study.

Auteur(s) :
Rafie N., Safavi SM., Karimbeiki R., Pourmasoumi M., Feizi A., Abbasi B., Hadi A.
Date :
Mar, 2018
Source(s) :
Public health. #157 p127-134
Adresse :
Department of Clinical Nutrition, School of Nutrition & Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.

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OBJECTIVE
The present study was carried out to compare dietary diversity score (DDS) among overweight, obese, and normal-weight adults.

STUDY DESIGN
This case-control study was conducted with a total of 200 cases (100 participants with obesity and 100 participants with overweight) and 300 controls (normal weight) matched by socio-economic status (SES), older than 18 years.

METHODS
Dietary intakes were assessed using a self-administered Food Frequency Questionnaire. Data regarding physical activity and sociodemographic variables were gathered. DDS was computed based on the scoring of the five food groups emphasized in the United States Department of Agriculture Food Guide Pyramid. Anthropometric measurements were measured, and the body mass index and waist-to-hip ratio were calculated.

RESULTS
The mean ± standard deviation of DDS was higher in participants with obesity (5.65 ± 1.32) than that in overweight participants (5.23 ± 1.23), while the lowest score was reported among normal-weight individuals (4.97 ± 1.42) (P < 0.001). The odds of obesity increased with each unit increase in DDS (odds ratio [OR]: 1.46; 95% confidence interval [CI]: 1.22, 1.74). However, the association became slightly weaker after adjusting for potential confounding factors (OR: 1.34; 95% CI: 1.07, 1.68).

CONCLUSION
It was concluded that there was a significant positive association between DDS and obesity. However, additional investigations are warranted.

Source : Pubmed
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