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Using Factor Analysis to Identify Dietary Patterns in Iranian Adults: Isfahan Healthy Heart Program Publisher Pubmed



Mohammadifard N1 ; Sarrafzadegan N1 ; Nouri F1 ; Sajjadi F1 ; Alikhasi H1 ; Maghroun M1 ; Kelishadi R1 ; Iraji F2 ; Rahmati M3
Authors
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Authors Affiliations
  1. 1. Nutrition Department, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, P.O Box: 81465-1148, Iran
  2. 2. Isfahan Health Center (No2), Isfahan University of Medical Sciences, Isfahan, Ebnesina St., Iran
  3. 3. Arak Health Center, Markazi University of Medical Sciences, Arak, Iran

Source: International Journal of Public Health Published:2012


Abstract

Objective: To identify dietary patterns of a representative sample of Iranian adults using factor analysis. Methods: This study was conducted in 2000-2001 as the baseline survey of Isfahan Healthy Heart Program (IHHP). We studied 12,514 participants aged ≥19 years who were randomly selected in three counties of Central Iran. A validated 48-item food frequency questionnaire was completed and factor analysis was used to identify dietary patterns. Results: Four major dietary patterns were identified, namely Western, animal fat, traditional and Mediterranean. In both men and women, we found a significant positive relationship between age and Mediterranean diet, and a negative relationship between age and the other three dietary patterns (P < 0.001). The Western and traditional dietary patterns showed a significant negative relationship with education in both genders (P < 0.01). The Western dietary pattern correlated positively with being single, widowed, or a divorced man (P < 0.001). Conclusions: We identified four major dietary patterns. As dietary pattern analysis is useful to identify dietary behaviors in relation to health risks, the results can be practical. © 2011 Swiss School of Public Health.
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