Volume 17, Number 3 (12-2015)                   yafte 2015, 17(3): 106-114 | Back to browse issues page


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The identification of major dietary patterns in Karaj adolescents. yafte. 2015; 17 (3) :106-114
URL: http://yafte.lums.ac.ir/article-1-2074-en.html

Abstract:   (585 Views)

Background: The eating habits of adolescents are of concerns about public health, because of the direct relationship between diet and the incidence of obesity and other chronic diseases in adults. Identifying dietary patterns can be used as a prognostic factor in the relationship between diet and chronic disease risk. Materials and Methods: The present study is a cross-sectional study on 140 healthy adolescents 13-19 years of middle schools and high schools in Karaj. Samples were selected by multistage cluster sampling method from 5 districts in Karaj. Validated food frequency questionnaire was used to assess dietary intake. Food items were categorized into 25 food groups based on similarity. Results: Using principal component analysis three major dietary patterns were identified ehich among subjects had the highest dispersion justifying 30.25 percent of the total variance of consumption. Mediterranean-like pattern showed high loadings on nuts, fruits and vegetables, fish, chicken, olives, sweetmeat and pickles. The second pattern, called unhealthy pattern specified with a high intake of mayonnaise, refined cereals, boiled potatoes, red meat and processed meat, high fat dairy products, viscera. The third pattern (traditional) had high loading for solid fats, dairy scab, legumes and whole grains. Conclusion: Mediterranean-like pattern with explained 14.14% of the variance of the maximum percentage to be allocated. These patterns can be used to identify the appropriate educational steps taken to promote sufficient nutrition.

Full-Text [PDF 219 kb]   (302 Downloads)    
Type of Study: Research |
Received: 2015/12/21 | Accepted: 2015/12/21 | Published: 2015/12/21

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