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J Pediatr (Rio J). 2015 Mar-Apr;91(2):196-205. doi: 10.1016/j.jped.2014.07.006. Epub 2014 Nov 6.

Association of junk food consumption with high blood pressure and obesity in Iranian children and adolescents: the CASPIAN-IV Study.

Author information

1
Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
2
Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primary Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
3
Department of Community Medicine, Alborz University of Medical Sciences, Karaj, Iran; Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: mqorbani1379@gmail.com.
4
Department of School Health, Bureau of Population, Family and School Health, Ministry of Health and Medical Education, Tehran, Iran; Department of Pediatrics, Ahvaz University of Medical Sciences, Ahvaz, Iran.
5
Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
6
Department of School Health, Bureau of Population, Family and School Health, Ministry of Health and Medical Education, Tehran, Iran.
7
Bureau of Health and Fitness, Ministry of Education and Training, Tehran, Iran.
8
Department of Medical Emergencies, Qom University of Medical Sciences, Qom, Iran.
9
Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
10
Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: rheshmat@tums.ac.ir.

Abstract

OBJECTIVE:

This study aimed to evaluate the association of junk food consumption with hypertension and obesity in a national sample of Iranian children and adolescents.

METHODS:

This nationwide study was conducted in 2011-2012 among 14,880 students, aged 6-18 years, selected by cluster sampling from 30 provinces. Weight, height, waist circumference (WC), hip circumference (HC), waist-to-hip ratio (WHR), waist-to-height ratio (WHtR), as well as systolic and diastolic blood pressure (BP) were measured. Junk food was divided into four categories, including salty snacks, sweets, sweetened beverages, and fast food. Subjects reported how many times they had consumed each item (daily, weekly, and seldom).

RESULTS:

The intake of sweets was significantly associated with anthropometric indices and BP levels. Moreover, a significant association was found between fast food consumption, BP levels, and anthropometric indices (except for WHtR and WHR). Sweet beverages consumption was significantly associated with anthropometric indices; however, the consumption of salty snacks was only significantly associated with height, HC, and WHR. The risk of general obesity (OR: 0.75, 95% CI: 0.65-0.87) and abdominal obesity (OR: 0.81, 95% CI: 0.72-0.92) among participants who seldom consumed sweets was less than those who consumed daily. Also, the risk of general obesity (OR: 0.85, 95% CI: 0.74-0.97) among students that seldom consumed sweetened beverages was less than subjects who consumed them on a daily basis.

CONCLUSION:

It was found that junk food consumption increased the risk of both general and abdominal obesity; therefore, consumption of junk food should be reduced via restricting TV advertisements and increasing taxes on junk foods.

KEYWORDS:

Anthropometric measures; High blood pressure; Hipertensão Arterial; Junk Food; Junk food; Medidas antropométricas; Obesidade; Obesity

PMID:
25449791
DOI:
10.1016/j.jped.2014.07.006
[Indexed for MEDLINE]
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