Clin Nutr Res.  2017 Oct;6(4):247-255. 10.7762/cnr.2017.6.4.247.

Dietary Diversity Score and Its Related Factors among Employees of Kermanshah University of Medical Sciences

• Nachvak SM
• Abdollahzad H
• Mostafai R
• Moradi S
• Pasdar Y
• Rezaei M
• Esksndari

• KMID: 2392788
• DOI: http://doi.org/10.7762/cnr.2017.6.4.247

Abstract

Dietary diversity score (DDS) is known as an indicator of food quality. Dietary diversity can promote health status. The aim of this study was determined DDS and its related factors in Kermanshah University of Medical Sciences (KUMS) employees. This cross-sectional study was conducted on 190 employees of KUMS in 2015. According to the population of KUMS centers which were selected randomly (Paramedical, Public Health faculties, Imam Reza Hospital and province health center), subjects were selected by convenience sampling method. Food frequency questionnaire (FFQ) was used to calculate DDS. Foods were divided into 5 main groups: grains, vegetables, fruits, meat, and dairy products. The main groups had 23 subgroups. Total DDS divided to 4 quartiles: less than 3.0, 3.0-5.5, 5.6-8.5, and more than 8.5. Anthropometric parameters including: weight, height, waist circumference (WC), and hip circumference were measured. Data were analyzed by Kolmogorov-Smirnov test, χ² test, and analysis of variance (ANOVA) test with SPSS 20 software (IBM Corp., Chicago, IL, USA). The mean ± standard deviation of DDS and body mass index (BMI) were 5.68 ± 1.73 and 25.1 ± 3.42 kg/m², respectively. The average of the waist-to-hip ratio (WHR) in men and women was 0.92 ± 0.04 and 0.86 ± 0.06, respectively. There was statistically significant difference between DDS and self-reported economic status (p < 0.022). No significant difference was observed between DDS and BMI or WC. However, significant negative correlation was observed between DDS and WHR in men (p < 0.019). This study showed that DDS had a negative correlation with the WHR. Therefore, dietary diversity may improve health status by effect on fat distribution in body.

Keyword

Food quality; Waist to hip ratio; Waist circumference

MeSH Terms

Body Mass Index
Clergy
Cross-Sectional Studies
Dairy Products
Female
Food Quality
Fruit
Hip
Humans
Male
Meat
Methods
Public Health
Vegetables
Waist Circumference
Waist-Hip Ratio

Figure

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  Figure 1 BMI and quartiles of DDS in KUMS employees. BMI, body mass index; DDS, dietary diversity score; KUMS, Kermanshah University of Medical Sciences.

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