Dietary Fat Intake and Lipid Profiles of Iranian Adolescents: Isfahan Healthy Heart Program–Heart Health Promotion from Childhood
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Objectives. To assess the serum lipid profiles of Iranian adolescents and their correlation with dietary fat intake and to evaluate the knowledge, attitude, and practice (KAP) of students, parents, and school staff. Methods. The subjects of this cross-sectional study were 2000 students (1000 girls and 1000 boys), ages 11–18 years, selected by multistage random sampling, and one of their parents (2000 subjects), as well as 500 school staff in urban and rural areas of two provinces in Iran (one for further interventions and the other for reference). The data were obtained by questionnaires, anthropometric measurements, 3-day food record form, and a 20-item food frequency questionnaire (FFQ). All serum lipids were determined in the same laboratory. Results. Although the percentage of fat intake (21.2 ± 0.4%) among the adolescents was within the recommended daily allowance (RDA ≤ 30%), in most cases, the percentiles of serum total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and triglyceride (TG) were significantly higher and the percentiles of high-density lipoprotein cholesterol (HDL-C) were lower than standard values according to Lipid Research Clinics (LRC) data; for example, the mean TC values for girls in the 11- to 14- and 15- to 18-year age groups were significantly higher than LRC standard values (169 and 172 vs. 160 and 159 mg/dl, respectively, P < 0.05). This difference was also significant in boys (167 and 168 vs. 160 and 153 mg/dl, respectively) at the P < 0.05 level. A significant linear association was shown between adolescents' dyslipidemia and the frequency of intake of hydrogenated fat, fast foods, cheese puffs, and potato chips (P < 0.05). Although the protein intake was lower than the RDA (13.4 ± 0.9% vs. 15%, P < 0.05), because of the highly prevalent consumption of fatty lamb meat, the frequency of red meat intake had a direct association with dyslipidemia (P < 0.05). Conclusion. The improper iztake of high amounts of saturated fat and the observed serum lipid profile of Iranian adolescents are likely placing them at increased risk for cardiovascular disease (CVD) and necessitate developing guidelines and community-based interventions.
JOUR
Kelishadi, Roya
Pour, Mahin Hashemi
Zadegan, Nizal Sarraf
Kahbazi, Manijeh
Sadry, Gholamhosein
Amani, Amad
Ansari, Rezvan
Alikhassy, Hassan
Bashardoust, Nasrollah
2004
Preventive Medicine
39
4
760-6
0091-7435
10.1016/j.ypmed.2004.02.047
1195