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Abstract

Fast food refers to food that can be served ready to eat fast. Fast food and junk food are often used interchangeably. Energy dense food with high sugar/fat/salt content and low nutrient value in terms of protein, fiber, vitamin and mineral content is termed junk food. Many of our children are fond of such readymade food. Sponsorship of sports or cultural competitions with attractive gifts is the main way of promotion of first food sale. Nuclear families, working mother, socioeconomic status, close proximity of fast food shop, food test and quick service in the shop are important contributing factors of fast food consumption. This kind of food is responsible for obesity, hypertension, dyslipidemia, heart disease and diabetes. Easy availability of healthy food with reasonable prices along with its campaign, school midday-food programme and health education can improve dietary habits of children. Implementation of laws for regulation of marketing and selling of fast food may be another step in controlling consumption of such food by our children. Keywords: Fast foods, Junk foods, Children, Review. Medical and Clinical Reviews 2015;1(1):1-4
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Medical & Clinical Reviews
2015
Vol. 1 No. 1:1
1
© Copyright iMedPub | This article is available in:http://medical-clinical-reviews.imedpub.com/archive.php
Jagadish C Das
Associate Professor, Department of
Neonatology, Chiagong Medical
College, Chiagong, Bangladesh.
Corresponding author: Jagadish C Das
Associate Professor, Department of
Neonatology, Chittagong Medical College,
Chittagong, Bangladesh.
jagadishcdas@yahoo.com
Tel: 0088-01711077900
Introducon
Food is essenal for growth and development of a child. A child
cannot live without food. ‘Good food means the right kind of food
for good health; it is nutriou’s. It contains natural substances
that body needs to grow properly and stay healthy. We must
choose the right food in daily diet for good health of our child [1].
Socioeconomic condions and cultural norms of our community
have been changing. Food habits of our children are also changing
facing such changes. Many of children are fond of readymade
outside food. Some guardians are even reluctant in changing
food habits of their children. They admit readymade outside food
for their babies even willingly. ‘Food that can be served ready to
eat fast’ refers to fast food. Fast foods and junk foods are oen
used interchangeably. Most junk foods are fast foods as they are
prepared and served fast. But not all fast foods are junk foods,
especially when they are prepared with nutrious contents [2].
Fast food culture is an emerging trend among children. ‘Energy
dense food with high sugar/ fat/ salt content and low nutrient
value in terms of protein, ber, vitamin and mineral content is
termed junk food’[3].Easy availability, taste, parent’s occupaon
and markeng strategies make them popular among children.
One important aspect of fast food restaurant is that it is primed
to maximize the service speed and is standardized to minimize
waing me. So customers can save their me in taking their
food. Here, food menu is limited in number [3]. It has been seen
that on a typical day in United States, nearly 30% of 4-19 years
children consumes fast food[4].
Situaon in Bangladesh, parcularly in auent society is not
reverse. Approximately 56% of a private university students in
Dhaka goes to fast food restaurants at least once per week and 44
% goes regularly (≥ 2 mes/wk)[5]. In a country like Bangladesh,
paradoxically coexisted with malnutrion among children and
adolescents, mulple factors including rapid urbanizaon and
inappropriate dietary pracces, have aributed to an emerging
overweight and obesity problem among young children in
urban and especially among auent families[5]. Thinking of our
physicians is limited on such alarming food habit of children.
Moreover, fast food taking by our children is less addressed. The
review is wrien to orient our physicians parcularly pediatricians
regarding some fundamental aspects of such food culture which
may help in developing a prevenve strategy in reducing fast food
taking by our children.
Fast Food Promoon
In adolescents’ aged 12–18 years of US, there is a decrease in
percentage of energy intake from foods consumed at home,
Fast Food Consumpon in
Children: A Review
Abstract
Fast food refers to food that can be served ready to eat fast. Fast food and
junk food are oen used interchangeably. Energy dense food with high
sugar/fat/salt content and low nutrient value in terms of protein, ber,
vitamin and mineral content is termed junk food. Many of our children
are fond of such readymade food. Sponsorship of sports or cultural
compeons with aracve gis is the main way of promoon of rst
food sale. Nuclear families, working mother, socioeconomic status, close
proximity of fast food shop, food test and quick service in the shop are
important contribung factors of fast food consumpon. This kind of food
is responsible for obesity, hypertension, dyslipidemia, heart disease and
diabetes. Easy availability of healthy food with reasonable prices along with
its campaign, school midday-food programme and health educaon can
improve dietary habits of children. Implementaon of laws for regulaon
of markeng and selling of fast food may be another step in controlling
consumpon of such food by our children.
Keywords: Fast foods, Junk foods, Children, Review
2
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ARCHIVOS DE MEDICINA
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2015
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Medical & Clinical Reviews
whereas the proporon of energy intake from restaurant food
and fast food increased over me [6]. Consumpon of fast food
promoted in various ways throughout the globe. Sponsorship of
sports or cultural compeons with aracve gis is the main
means of promoon of rst food sale. This oers discounts on
purchase of their fast food brand. Sports stars are oen involved in
adversement of fast food products. Adversements in television
with animaon and cartoon are another way of lunching rst food.
[7]. This acvity has an important role in promong unhealthy
dietary pracces with diets reach in fat, sodium or added sugar
among children [8]. Apart from adversing via television, other
media like posters, magazines, billboards, radio and cinemas
favor fast food markeng [9].
Factors Related to Fast Food Consumpon
Fast foods are taking popularity by nuclear families because
working parents have less me for meal preparaon by
themselves. Majority of working parents with school going
children are in stress. Children spend most of the me away from
home by aending tuion classes aer school hours. Children
take breakfast at home and fast food in school or outside school.
A posive correlaon of increased fast food consumpon and
increased body mass index was found among adolescents [10].
Socio economic status is an important factor related to fast food
consumpon. Children from high socio-economic status prefer
fast foods to tradional foods despite their beer nutrional
knowledge [11]. It has been seen that children who are overweight
are signicantly more likely to recognize fast food restaurant
logos than other food logos. Again, families' socio-demographic
characteriscs play a role in children's recognion of food logos
[12]. Factors related to fast food preference by Bangladeshi
university students are convenience, easy accessibility, taste, cost
and quick service in fast food shop. Most of the fast food users
take such kind of food though they known well about negave
eects on themselves associated with fast food consumpon [5].
Fast Foods and School
Scenario of food presentaon in school areas dier from region
to region. Junk foods are widely available by the sides of schools
of country like ours. Cafeterias at the schools are reluctant with
balanced nutrious diet; rather interested to oer cold drinks,
chips and many other foods of low nutrional value. Junk
foods in school cafeteria oen compete with nutrious home-
made school n. Banding of junk foods in school cafeteria is
a rare occurrence in this region. Mid-day meal program is not
introduced in private schools of our country but this program
has been introduced specially in government schools of many
countries. Healthy foods are oered to children through this
program [13]. In primary schools of many European countries,
commercial food acvies are restricted. Beverages may be
oered among secondary school students of these countries with
acve parcipaon of educators and parents [14].
Bangaladeshi Fast Foods and Junk Food
There are dierent types of fast foods and junk foods throughout
the country. These include barger, sandause, hotdog, chicken
hot, muon chop, beaf stak, roasted chicken, chicken kka, gril
chicken, role, paes, pakora, samosa, sngara, pizza, tandoor,
French fries, fuska, onthon, nodules, aloo kki, dal puri, chaat,
chole bhature, pav bhaji and dhokla. Fat and calorie content in
fast food depends on cooking process. Most of the fast foods are
prepared by deep frying in fats especially trans fat and saturated
fats [15]. Foods which are baked, roasted or cooked in tandoor
have lower fat content. Hydrogenated oil used in cooking is
rich in trans fats. Trans fat content in fast food is far higher than
western food. Trans fat content in bhatura, parantha and puris is
9.5%, 7.8% and 7.6%, respecvely as compared to 4.2% in regular
French fries [16].
Eects of Excess Fast Food Consumpon
Fast food consumpon is denitely harmful to child health.
Children who eat fast food have higher intake of energy, fat,
saturated fat, sodium, carbonated so drink, and lower intake
of vitamins A and C, milk, fruits and vegetables than those who
do not take fast food (P<001)[17]. Diet with high sugar, salt,
saturated fat and calorie is responsible for disabilies like obesity,
hypertension, dyslipidemia and impaired glucose tolerance [18].
There is posive correlaon (p=<0.001) between frequency of
consumpon of fast food and body mass index. An increased
odds of being obese (OR 2.2; 95% CI 1.3-3.9) among a private
university students of Dhaka taking fast foods regularly is also
observed. Subsequently, obesity related problems in terms
of morbidity and mortality is evident [5]. Fast food may be
associated with poor hygiene during preparaon, storage and
handling. It invites microbiological contaminaon and is a risk
factor of heart diseases even [19]. Energy content of such food
is much more than recommended allowance for children [5,20].
It leads to higher calories from total and saturated fat [21] where
micronutrient content is low [22]. Calcium and magnesium
depleted fast food are responsible for osteoporosis. Diets rich in
free sugars may lead to increased risk of dental caries also [3]. Very
oen fast food restaurants and habit of fast food consumpon
are becoming issue of cricism in the media of Bangladesh due
to adulteraon of food items with food colors, other hazardous
chemicals, microbial safety and hygiene of the restaurants [23].
The coloring agents in the foods are regarded as carcinogen [3].
Reducon of Fast Food Consumpon
Availability of healthy food along with its campaign and
surveillance on disease and associaon with dietary habits
improves healthy food intake. School based programs and health
educaon can also improve dietary habits of children [24]. Price
reducon is one of the most eecve strategies of healthy
foods purchasing [25]. Price reducon on low fat snacks and
placement of low fat label is associated with signicant increase
in their consumpon among adolescent populaon [26]. Time
has arrived when adversement of fast food and junk food in
mass media is to be controlled strictly. Healthy feeding should be
focused through televisions, radios, newspapers and school mid
day food programme [3]. Children should be encouraged to take
readily available and aordable home made nutrious foods.
Government has to take measures to reduce cost of food grains
in countries like ours. Implementaon of tax on readymade food
items might be appreciated. Disclosure of nutrional content in
3
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© Under License of Creative Commons Attribution 3.0 License
terms of calorie, added sugar, fat, minerals and protein in product
labels may be a forward step in this respect. Implementaon of
laws for regulaon of markeng and selling of fast food may
be another step in controlling consumpon of such food by
our children. [3] Recently added beauful chapters on food
and nutrion in dierent text books of school going children is
denitely a posive steps in controlling unhealthy fast food.
Such step also encourages our children and their parents to take
balanced healthy food.
Conclusions
Taking of fast food is a dietary habit of our present day children.
Consumpon of diet reach in sugar, saturated fat, salt and calorie
in children can lead to early development of health hazards.
There are various reasons for consumpon of such food by
children. Most of fast food users know well about negave eects
associated with fast food consumpon. However, they take fast
food without considering their health complicaons. The young
generaons are geng addicted to fast food which indicates a
serious public health problem. Prompt necessary acons should
be undertaken to tackle this health problem. Implementaon of
laws to regulate the markeng of fast foods may be an important
step in reducing fast food consumpon by children. Awareness
regarding healthy feeding may save children from harmful eects
of fast food in this area.
4
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... Some major food groups in the tropics are classified as follows: 6. Empty calorie food-This include alcoholic, beverages, carbonated drinks (Rajweer & Monika, 2012;Das, 2015;Kaur, 2017;Meena et al., 2023). ...
...  Insatiety -Free sugar intake cause insatiety, as well as addiction (Johar, 2016)  Dental caries-High free sugar intake causes dental caries  Nutrients deficiencies -Excess sugar consumption lead to deficiency of Fe, Ca, and vitamin A, because too much empty calories consumption deprived consumers from micronutrients needed by the body (Brunk, 2008;Lucan et al., 2010;McGill, 2014;Das, 2015;Sharlin, 2019;Meena et al., 2023). ...
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... According to one study, there were 41 international retail locations specialising in pizza, 60 specialising in fried chicken, and 10 specialising in burgers in Oman, with the majority located in the capital (Muscat) [11,25]. Several factors have contributed to an increase in fastfood consumption, including delectable flavours, quick preparation, affordability, availability, food delivery applications, and globalisation, all of which make it more accessible and acceptable among children and [10,26]. Furthermore, aggressive fast-food marketing, such as price promotions and sponsorship of sporting or cultural events with enticing prizes, has been linked to an increase in fastfood consumption [26]. ...
... Several factors have contributed to an increase in fastfood consumption, including delectable flavours, quick preparation, affordability, availability, food delivery applications, and globalisation, all of which make it more accessible and acceptable among children and [10,26]. Furthermore, aggressive fast-food marketing, such as price promotions and sponsorship of sporting or cultural events with enticing prizes, has been linked to an increase in fastfood consumption [26]. In 2021, it was estimated that the global market for fast-food was worth USD 593.3 billion and is predicted to expand at a compound annual growth rate of 4.6% from 2021 to 2028 [27], with most of the market targeting children and young adults. ...
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... This current study is a first of its kind in Bangladesh, to evaluate the levels of health compromising ingredients in the most commonly consumed fast foods like FF and FC. Both of these mentioned foods are known contributors to obesity among children and adolescents (Das, 2016). ...
... The increased intake of fast food is concerning as these foods are high in sugar, salt, saturated fat, and calories with long-term complications such as obesity, hypertension, dyslipidemia, and impaired glucose tolerance. [23] Research shows that the dietary habits of children deteriorate from childhood to adolescence. [24] The younger generation prefers soft drinks, probably due to ease of access. ...
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... Meanwhile, the ownership of family assets only had a significant influence on the consumption of fast food in The factors that influence the consumption of fast food include the socio-economic and socio-demographic characteristics of the family. Consumption of fast food has rapidly become common in the last ten years especially among children and adolescents (Das, 2015). The results of several studies reveal that consumption of fast food is higher among children, adolescents, young adults and those with high incomes (Pereira et al., 2005). ...
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This study aimed to examine the preference for and consumption of traditional and fast foods among adolescents in Indonesia and their relationship to social, economic, demographic, and regional factors. This cross-sectional study was conducted online in six provinces in Java and Bali (JB) and nine provinces outside Java and Bali (OJB), involving 4,500 junior high school, high school and university students. Questionnaire items that have been tested included personal and family information, food preferences (three Likert scales), frequency of food consumption (never, ≤ 1/month, 2-3 times/month, and ≥4 times/ month) for about 10–20 types of traditional food and 17 types of fast food that varies among the provinces. The t-test was applied to analyze the differences in scores and frequency of food consumption in Java and Bali (JB) and the provinces outside Java and Bali (OJB). Logistic regression was employed to discover factors that contributed to the frequency of consumption of traditional food and fast food. In the provinces outside Java and Bali, traditional foods—especially groups of food made with cereals, vegetables, seafood, bean and legumes, and traditional snacks—are preferred and consumed over fast food. In Java and Bali, fast food is preferred over traditional food. However, some food groups such as cereals, vegetables and seafood are consumed more in the form of traditional food and snacks. The results showed that in Java and Bali, most adolescents preferred fast food to traditional food (P<0.05). Although fast food was preferred, adolescents in Java and Bali more than often consumed traditional foods made with cereals, vegetables, seafood, beans and legumes, and traditional snacks; because traditional food is more affordable (P<0.05). Meanwhile, in provinces outside Java and Bali, adolescents generally prefer traditional food to fast food. This is in line with the frequency of consumption of traditional food which was also higher than that of fast food from most food groups (P<0.05). Consumption of traditional food and fast food is influenced by several social, economic, and demographic factors such as gender, place of residence, educational level of the adolescents, parental occupation and income, as well as online food purchase habits (P<0.05).
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Background: Diet plays a very important role in growth and development of adolescents. Consumption of fast food among adolescents is rising day by day in Bangladesh. Though its adverse health consequences are widely prevalent in all age groups but adolescents are more at risk. The objectives of the study was to determine fast food consumption pattern among school going adolescent in Dhaka, Bangladesh.
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Fast food has become a prominent feature of the diet of children in the United States and, increasingly, throughout the world. However, few studies have examined the effects of fast-food consumption on any nutrition or health-related outcome. The aim of this study was to test the hypothesis that fast-food consumption adversely affects dietary factors linked to obesity risk. This study included 6212 children and adolescents 4 to 19 years old in the United States participating in the nationally representative Continuing Survey of Food Intake by Individuals conducted from 1994 to 1996 and the Supplemental Children's Survey conducted in 1998. We examined the associations between fast-food consumption and measures of dietary quality using between-subject comparisons involving the whole cohort and within-subject comparisons involving 2080 individuals who ate fast food on one but not both survey days. On a typical day, 30.3% of the total sample reported consuming fast food. Fast-food consumption was highly prevalent in both genders, all racial/ethnic groups, and all regions of the country. Controlling for socioeconomic and demographic variables, increased fast-food consumption was independently associated with male gender, older age, higher household incomes, non-Hispanic black race/ethnicity, and residing in the South. Children who ate fast food, compared with those who did not, consumed more total energy (187 kcal; 95% confidence interval [CI]: 109-265), more energy per gram of food (0.29 kcal/g; 95% CI: 0.25-0.33), more total fat (9 g; 95% CI: 5.0-13.0), more total carbohydrate (24 g; 95% CI: 12.6-35.4), more added sugars (26 g; 95% CI: 18.2-34.6), more sugar-sweetened beverages (228 g; 95% CI: 184-272), less fiber (-1.1 g; 95% CI: -1.8 to -0.4), less milk (-65 g; 95% CI: -95 to -30), and fewer fruits and nonstarchy vegetables (-45 g; 95% CI: -58.6 to -31.4). Very similar results were observed by using within-subject analyses in which subjects served as their own controls: that is, children ate more total energy and had poorer diet quality on days with, compared with without, fast food. Consumption of fast food among children in the United States seems to have an adverse effect on dietary quality in ways that plausibly could increase risk for obesity.
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Fast food has increasingly become popular in Bangladesh with the effect of globalization. Many people, specifically the younger generation are consuming various types of fast foods everyday as these are convenient, time saving and tasty. Consumers' choice of a particular restaurant depends on many factors, i.e. quality, variation, location, price, environment, and many more aspects. Thus the consumer evaluation is important to explore why a consumer visits a particular restaurant. The present study is an attempt to find out the differences in consumers' attitude towards selective fast food restaurants in Bangladesh. To fulfill this objective, the study explores the most frequent salient beliefs of consumers regarding the fast food restaurants in Bangladesh, which are quality, price, quick service, and environment of the restaurants. Based on the salient beliefs, multiattribute attitude model has been developed and tested in four restaurants; these are Pizza Hut, KFC, Helvetia, and Western Grill, which are found as most visited fast food restaurants according to the consumers. For this study Fishbein multiattribute attitude model is used. Structured questionnaire survey is conducted on 100 consumers to obtain consumer opinion regarding the strengths and evaluation of salient beliefs. The result explores that consumers have the most favorable attitude towards Pizza Hut and the least favorable attitude towards Helvetia. Significant differences are found among these four restaurants in terms of belief evaluations about quality, price, quick service, and environment. It is also found that consumers have most favorable evaluation about Pizza Hut's food quality and environment, and KFC's food price and prompt services. At the end of the paper, some recommendations are made based on the study results.
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While there is a recognized link between high levels of exposure to advertising of unhealthy foods and overweight and obesity among children, there is little research on the extent to which these exposures include persuasive marketing techniques. This study aimed to measure children's exposure to the use of persuasive marketing within television food advertisements. Advertisements broadcast on all three commercial Australian television channels were recorded for an equivalent 1 week period in May 2006 and 2007 (714 h). Food advertisements were analysed for their use of persuasive marketing, including premium offers, such as competitions, and the use of promotional characters, including celebrities and cartoon characters. Advertised foods were categorized as core, non-core or miscellaneous foods. Commercial data were purchased to determine children's peak viewing times and popular programs. A total of 20 201 advertisements were recorded, 25.5% of which were for food. Significantly more food advertisements broadcast during children's peak viewing times, compared to non-peak times, contained promotional characters (P < 0.05) and premium offers (P < 0.001). During programs most popular with children, there were 3.3 non-core food advertisements per hour containing premium offers, compared to 0.2 per hour during programs most popular with adults. The majority of advertisements containing persuasive marketing during all viewing periods were for non-core foods. Persuasive marketing techniques are frequently used to advertise non-core foods to children, to promote children's brand recognition and preference for advertised products. Future debate relating to television advertising regulations must consider the need to restrict the use of persuasive marketing techniques to children.
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To evaluate the impact of a school-based health behavior intervention known as Planet Health on obesity among boys and girls in grades 6 to 8. Randomized, controlled field trial with 5 intervention and 5 control schools. Outcomes were assessed using preintervention (fall 1995) and follow-up measures (spring 1997), including prevalence, incidence, and remission of obesity. A group of 1295 ethnically diverse grade 6 and 7 students from public schools in 4 Massachusetts communities. Students participated in a school-based interdisciplinary intervention over 2 school years. Planet Health sessions were included within existing curricula using classroom teachers in 4 major subjects and physical education. Sessions focused on decreasing television viewing, decreasing consumption of high-fat foods, increasing fruit and vegetable intake, and increasing moderate and vigorous physical activity. Obesity was defined as a composite indicator based on both a body mass index and a triceps skinfold value greater than or equal to age- and sex-specific 85th percentiles. Because schools were randomized, rather than students, the generalized estimating equation method was used to adjust for individual-level covariates under cluster randomization. The prevalence of obesity among girls in intervention schools was reduced compared with controls, controlling for baseline obesity (odds ratio, 0.47; 95% confidence interval, 0.24-0.93; P = .03), with no differences found among boys. There was greater remission of obesity among intervention girls vs. control girls (odds ratio, 2.16; 95% confidence interval, 1.07-4.35; P = .04). The intervention reduced television hours among both girls and boys, and increased fruit and vegetable consumption and resulted in a smaller increment in total energy intake among girls. Reductions in television viewing predicted obesity change and mediated the intervention effect. Among girls, each hour of reduction in television viewing predicted reduced obesity prevalence (odds ratio, 0.85; 95% confidence interval, 0.75-0.97; P = .02). Planet Health decreased obesity among female students, indicating a promising school-based approach to reducing obesity among youth.
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The aim of this study was to determine overall trends of total energy intake by food location and food type in diets of adolescents and young adults. This study used a nationally representative sample of 16,810 individuals, ages 12-29 from the 1977 to 1978 Nationwide Food Consumption Survey and the 1989-1991 and 1994-1996 Continuing Surveys of Food Intake by Individuals. For each survey year, the percentage of total energy intake from meals and snacks was calculated for adolescents ages 12-18 and young adults ages 19-29. The percentage of energy intake by location and for specific food group was computed for both age groups, separately. Both adolescents and young adults are obtaining less of their energy intake at home and more at restaurants and fast food places. This is predominantly seen among calories from snacking occasions for adolescents and both meals and snacks among the older age group. Significant increases in consumption of pizza, cheeseburgers, and salty snacks and decreases in consumption of desserts and certain milk and meat products by both age groups are shown. To improve the diets of adolescents and young adults, healthy food choices outside the home need to be as readily available as the foods which have increased in popularity over the past 20 years.
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Fast food consumption leading to excess calorie intake coupled with lack of adequate physical activity has increased the risk of obesity among the world population for the past few decades. A cross-sectional study was carried out from March to April 2014 among four hundred twenty six students selected by the use of systematic random sampling attending in an established private university of Bangladesh. The objective of this study was evaluating fast food consumption and prevalence of obesity among university students. The overall prevalence of fast food consumption was 55.9 % and 44.1 % for males and females, respectively. Approximately 56% of university students went to fast food restaurants at least once per week and 44 % went regularly (≥2 times/wk). Status of obesity was found to be significantly associated with frequenting fast-food restaurants; students going two or more times per week were more likely to be obese (OR 2.2; 95% CI 1.3-3.9). Obesity was detected among 56.2 % of those students going two or more times per week in fast food restaurants showed significantly high prevalence (X2=7.82, p<0.05). This study provides evidence of increasing trend in obesity among university students consuming fast foods regularly. A combined initiative from family, universities, public health experts and government is much needed to tackle this public health problem.
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Although the disadvantages of trans fatty acids (TFAs) are widely mentioned, limited data are available on the TFAs contents of Iranian foods, including fast foods. The aim of this study was to quantify the amounts of common fatty acids in several fast foods in Iran, with specific focus on TFAs. The most commonly consumed fast foods in Iran: sausage, calbas, hamburgers and pizzas, were randomly selected seven times from products available in supermarkets and restaurants. Each time a 10 g sample was drawn and prepared for fatty acid analysis. Total and individual fatty acids were quantified according to standard methods by gas chromatography with 60 meter capillary column and flame ionization detector. The most common saturated fatty acids in Iranian fast foods is stearic acid (C18:0) which ranged from 14.0% to 20.9%. Saturated fatty acid content in calbas was significantly higher than that found in other groups. Trans fatty acids constitute almost 23.6% to 30.6% of total fatty acids of these products. The most common TFA in these fast foods was elaidic acid (C18:1 9t). Total cis unsaturated fatty acid content of tested fast foods varied from 25.3%(in sausage) to 46.8(in calbas) with oleic acid (C18:1 9c) followed by linoleic acid (C18:2) being the most common fatty acids in these products. This study showed higher TFAs contents in commercially available fast foods compared to the amounts recommended by dietary guidelines in Iran. Further studies must assess the effects of these fatty acids on human health.
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The fast food industry has been increasingly criticized for creating brand loyalty in young consumers. Food marketers are well versed in reaching children and youth given the importance of brand loyalty on future food purchasing behavior. In addition, food marketers are increasingly targeting the Hispanic population given their growing spending power. The fast food industry is among the leaders in reaching youth and ethnic minorities through their marketing efforts. The primary objective of this study was to determine if young children recognized fast food restaurant logos at a higher rate than other food brands. Methods Children (n = 155; 53% male; 87% Hispanic) ages 4-8 years were recruited from elementary schools and asked to match 10 logo cards to products depicted on a game board. Parents completed a survey assessing demographic and psychosocial characteristics associated with a healthy lifestyle in the home. Results Older children and children who were overweight were significantly more likely to recognize fast food restaurant logos than other food logos. Moreover, parents' psychosocial and socio-demographic characteristics were associated with the type of food logo recognized by the children. Conclusions Children's high recognition of fast food restaurant logos may reflect greater exposure to fast food advertisements. Families' socio-demographic characteristics play a role in children's recognition of food logos.
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This study examined the effects of pricing and promotion strategies on purchases of low-fat snacks from vending machines. Low-fat snacks were added to 55 vending machines in a convenience sample of 12 secondary schools and 12 worksites. Four pricing levels (equal price, 10% reduction, 25% reduction, 50% reduction) and 3 promotional conditions (none, low-fat label, low-fat label plus promotional sign) were crossed in a Latin square design. Sales of low-fat vending snacks were measured continuously for the 12-month intervention. Price reductions of 10%, 25%, and 50% on low-fat snacks were associated with significant increases in low-fat snack sales; percentages of low-fat snack sales increased by 9%, 39%, and 93%, respectively. Promotional signage was independently but weakly associated with increases in low-fat snack sales. Average profits per machine were not affected by the vending interventions. Reducing relative prices on low-fat snacks was effective in promoting lower-fat snack purchases from vending machines in both adult and adolescent populations.