Korean Journal of Community Nutrition

Research Article

[English]
Exploring factors of nutrition teachers’ intentions for sustainable dietary education in South Korea: an application of the theory of planned behavior: Eunseo Yang, Borham Yoon; Korean J Community Nutr 2024;29(2):114-128. Published online April 30, 2024; DOI: https://doi.org/10.5720/kjcn.2024.29.2.114

Objectives
The purpose of this study was to investigate the perception of nutrition teachers and the factors influencing their intention toward sustainable dietary education utilizing the theory of planned behavior (TPB).
Methods
The self-administered online survey was completed by nutrition teachers in Jeollanam-do, South Korea. A total of 151 valid questionnaires were analyzed. Factor analysis and multiple regressions were employed to test the research model.
Results
The study findings demonstrated that all TPB variables significantly influenced the sustainable dietary educational intention, with the degree of influence ranking as follows: external perceived behavioral control (β = 0.417), attitude (β = 0.240), internal perceived behavioral control (β = 0.207), and subjective norms (β = 0.181). For external perceived behavioral control, nutrition teachers and elementary schools exhibited higher levels compared to dietitians and middle/high schools, respectively. The participants in sustainable dietary education training programs exhibited a higher level of internal perceived behavioral control compared to those who did not participate. The highest perception levels were reported for attitude (4.26), followed by subjective norms (4.02), internal perceived behavioral control (3.67), and external perceived behavioral control (3.20).
Conclusions
This study affirmed that the TPB variables elucidated the sustainable dietary educational intentions of nutrition teachers. The significant impacts of external and internal perceived behavioral control, attitude, and subjective norms on educational intentions were confirmed. Consequently, proactive support from schools and governments is essential to enhance the facilitating factors and mitigate the barriers toward sustainable dietary education in schools.

Citations

Citations to this article as recorded by

An educational needs analysis of sustainable dietary education for nutrition teachers: an application of the IPA, Borich needs assessment and The locus for focus model
Eunseo Yang, Borham Yoon
Korean Journal of Community Nutrition.2024; 29(5): 372. CrossRef

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Original Articles

[English]
Consumer Innovativeness and Consumption Behavior of New Sauce Products for the Japanese Consumer: Su Jin Kim, Seon Young You, Min A Lee, Eunju Park; Korean J Community Nutr 2019;24(5):374-383. Published online October 31, 2019; DOI: https://doi.org/10.5720/kjcn.2019.24.5.374

Abstract PDF PubReader: OBJECTIVES
This study analyzed Japanese consumers on their sauce consumption, and assessed the relationship between consumer innovativeness and consumption behavior for new sauce products.
METHODS
The survey was completed by local consumers visiting Korean restaurants in Osaka, Japan, in September 2018. The demographic characteristics, consumption of sauce, consumer innovativeness, and factors of theory of planned behavior were evaluated. Totally, 150 collected data were analyzed using the IBM SPSS Statistics 25.0 Program (IBM SPSS INC, Armonk, NY, USA).
RESULTS
Results of the survey indicate that Japanese consumers purchase a sauce by considering the taste and food utilization. Sauce purchases were maximum at mega markets and supermarkets. The consumer innovativeness for Japanese consumers was based on 3 factors: â€˜Purchasing adventurous products (3.51 Â± 0.96)â€™, â€˜Active information seeking (4.36 Â± 1.11)â€™, and â€˜Interactive information seeking (4.33 Â± 1.02)â€™, where the tendency of â€˜Active information seekingâ€™ was the highest innovativeness factor. Furthermore, higher values of perceived behavior control (4.68 Â± 1.21), attitude (4.66 Â± 1.41) and subjective norm (4.39 Â± 1.28) were revealed, when assessing for theory of planned behavior factors. Correlating the variables of consumer innovation and factors of planning behavior theory, â€˜Active information seekingâ€™ is a positive attribute for attitude (p<0.016), subjective norm (p<0.001), and perceived behavior control (p<0.002). These 3 factors also had significantly positive effects on purchase intention for new sauce product (p<0.000, p<0.000, and p<0.002, respectively). Attitude was determined to be another very influential variable for purchase intention of a new sauce product (B=0.484, t=6.881).
CONCLUSIONS
The results of this study determine the consumption patterns of sauce for the Japanese consumer, and the relationship between consumer innovativeness and consumption behavior for Korean traditional sauces. We believe the data generated from this study will help determine a marketing strategy to enter the Japanese market.

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[English]
Nutrition Knowledge, Dietary Attitude, and Dietary Behavior among Children and Adolescents with Type 1 Diabetes: Na Yeon Noh, So Young Nam, Hee Suk Kang, Ji Eun Lee, Soo Kyung Lee; Korean J Community Nutr 2013;18(2):101-111. Published online April 30, 2013; DOI: https://doi.org/10.5720/kjcn.2013.18.2.101

Abstract PDF PubReader

Type 1 diabetes is on the rise worldwide. Although nutrition education for patients with diabetes has become a routine practice, specifics and impacts of such educations need to be more researched. This study examined the status of nutrition knowledge, dietary attitude, and dietary behavior among children and adolescents with type 1 diabetes (9-19 year-old) and explored factors influencing dietary behaviors related to diabetes by applying the Theory of Planned Behavior. Face-to-face interviews, using a pre-tested structured questionnaire, were conducted with 32 participants (11 boys and 21 girls) with type 1 diabetes followed by a diabetes clinic in a university hospital. This study found that the level of nutrition knowledge related to diabetes was generally low at 4 points out of a possible 10, however, the dietary attitude related to diabetes was found to be generally good at 26 points out of a possible 30. Participants were motivated to follow medical staff recommendations the most; however, their family was also important. Perceived behavioral control was low especially for eating-out and portion control. The dietary behavior related to blood glucose control showed low at 13 points out of a possible 20. Regression analysis showed that perceived behavioral control (p < 0.001) was significantly related to the dietary behavior related to blood glucose control. This rare study with children and adolescents with type 1 diabetes showed that nutrition education should include a component to improve perceived behavioral control through high-risk situation management.

Citations

Citations to this article as recorded by

Spatial Distribution of Diabetes Prevalence Rates and Its Relationship with the Regional Characteristics
Eun-Kyung Jo, Eun-Won Seo, Kwang-Soo Lee
Health Policy and Management.2016; 26(1): 30. CrossRef

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[English]
Factors Related to Eating Breakfast of Middle and High School Students in Seoul: Yangsuk Kim, Jihyun Yoon, Haengran Kim, Sungok Kwon; Korean J Community Nutr 2010;15(5):582-592. Published online October 31, 2010

Abstract PDF: The purpose of this study was to determine the factors related to eating breakfast for middle and high school students in Seoul using the Theory of Planned Behavior. Out of 2,280 questionnaires distributed to 22 schools, 2,060 were returned (90.4% response rate) and 1,899 were analyzed (83.3% analysis rate). Gender, self-perceived household income level and mother's working status were examined as demographic factors. "Attitude", "Subjective norm", "Perceived difficulty in access to breakfast", "Perceived time restriction" and "Self restriction to breakfast" were extracted as psychosocial factors as the results of factor analysis and reliability test using 17 items. In case of middle school students, boys were more likely to skip breakfast than girls. The students perceiving their household income level "low or middle low" were more likely to skip breakfast than those who perceived their household income level "high or middle high". The students whose mother had a job tended to skip breakfast than those whose mother had no job. In case of high school students, the students perceiving their household income level "low or middle low" tended to skip breakfast than those perceiving their household income level "high or middle high". The results of analysis of variance, all the psychosocial factors examined in this study-"Attitude", "Subjective norm", "Perceived difficulty in access to breakfast", "Perceived time restriction" and "Self restriction to breakfast"- were related to the frequencies of eating breakfast during weekdays in both the middle and high school students.

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[English]
Factors Affecting Intention to Participate in School Breakfast Programs of Middle and High School Students in Seoul: Yangsuk Kim, Jihyun Yoon, Haengran Kim, Sungok Kwon; Korean J Community Nutr 2007;12(4):489-500. Published online August 31, 2007

Abstract PDF: The purpose of this study was to determine factors affecting intention to participate in school breakfast programs of middle and high school students in Seoul using the Theory of Planned Behavior. Out of 2,280 questionnaires distributed to the middle and high school students, 2,060 were returned (90.4% response rate) and 1,799 were analyzed (78.9% analysis rate). To determine factors affecting intention to participate in school breakfast programs, logistic regression analyses were conducted for middle and high school students, respectively. For logistic regression, data of 1,217 out of 1,799 students (637 middle and 580 high school students) were used after excluding 582 students which had an answer 'Not sure' to the question about intention to participate in school breakfast programs. In case of middle school students, male than female students (OR = 1.504), the students who skipped all breakfast (OR = 1.851), who ate breakfast 1~2 times (OR = 3.474) or 3~4 times (OR = 1.950) than those who ate breakfast everyday during weekdays of the previous week were more likely to participate in school breakfast programs. In case of high school students, male than female (OR = 1.967), the students who skipped all breakfast (OR = 4.187), the students who ate breakfast 1~2 times (OR = 3.024) or 3~4 times (OR = 2.095) than those who ate breakfast everyday during weekdays of the previous week were more likely to participate in school breakfast programs. In addition, both possibility of middle and high school students' participation in school breakfast programs increased as the satisfaction with school lunch service (OR = 1.704, 1.653) increased. Middle school students who perceived their household income level 'low or middle low' (OR = 1.999) than those who perceived their household income level 'middle' and the students who had more positive 'attitude' (OR = 1.311) toward eating breakfast were more likely to participate in school breakfast programs. However, high school students who had higher 'perceived difficulty in access to breakfast' (OR = 1.370) were more likely to participate in school breakfast programs. The results of this study could be useful data to plan and develop school breakfast programs in Korea.

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[English]
Using the Theory of Planned Behavior to Explain Dairy Food Consumption among University Female Students: Kyung Won Kim, Eun Mi Shin; Korean J Community Nutr 2003;8(1):53-61. Published online February 28, 2003

Abstract PDF: This study was designed to explain the intentions and consumption of dairy foods among university female students. The factors related to intentions of consumption or actual consumption of dairy foods were identified within the theory of planned behavior. The survey questionnaire, developed using open-ended questions (n = 35), was administered to university female students (n = 184). Subjects completed information regarding attitudes, subjective norms, perceived control, intentions and consumption of dairy foods. Correlation analysis and multiple regression were used to study the association of factors with intentions and consumption of dairy foods. Subjects showed relatively low intention to consume dairy foods (- 0.4 +/- 1.6 from a scale of - 4 ~ + 4). They ate 1.2 +/- 0.9 servings of dairy foods a day and 52.2% of subjects had less than a serving a day, showing inadequate consumption of dairy foods. All three factors, attitudes, subjective norms and perceived control were significantly correlated to the intentions to take dairy foods regularly (r = 0.26 - 0.27). Multiple regression results, however, revealed that subjective norms (p < 0.01) and perceived control (p < 0.05) contributed to the model of explaining intentions, while attitudes did not (model R2 = 0.154). To predict and explain actual consumption of dairy foods, two regression models were examined. In the first model, perceived control was significant in predicting dairy foods consumption, while attitudes and subjective norms were not. In the second model, intentions and perceived control were significantly related to actual consumption of dairy foods, providing the empirical evidence of the theory (model R2 = 0.121). These results suggest that perceived control was significant in explaining actual behavior as well as intentions. This study suggests that nutrition education to increase dairy foods consumption for young adults should focus on increasing perception of control and eliciting social support from respected others.

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[English]
A Study on Predicting Behavioral Intention of Breastfeeding among Primigravida: Jie Eun Kim, Dong Yean Park; Korean J Community Nutr 2001;6(3):331-339. Published online August 31, 2001

Abstract PDF: This study was conducted to examine the predicting factors for the intention of breastfeeding with The Theory of Planned Behavior. The questionnaires were distributed to 131 primigravidas who were in their third trimester of pregnancy in Seoul, Kyonggido, Kyongsangbukdo, and Kyongsnagnamdo. Descriptive statistics, Pearsons Correlation and Multiple Regression were used to analyse the data. The subjects showed strong intention of breastfeeding. The subjects showed favorable attitudes toward breastfeeding. This fact showed significant correlation with the belief that their breastfeeding intention was due to the advantage of breast milk for the infant with regard to allergy prevention, disease protection, contribution to intellectual development, psychological closeness between mother and infant, convenience, cost, and the reduction of breast cancer risk and weight of the mother. No item of outcome evaluation did showed significant correlation with behavioral intension. The subjects were influenced about breastfeeding by their referents such as siblings and friends with breastfeeding experience, their mothers and husbands, and mothers-in-law. Most items of the control beliefs had a significant influence on the intention of breastfeeding. The subjects felt they could not control the situation ie. "when I have to breastfeed in public". However they felt they could control the situation ie. "when I suffer from mastitis", "when I have to cut down on coffee, alcohol, and smoking", "when I have Caesarean section", "when I need to maintain breast condition", and "when the infant hates to suck my nipple". Regression analysis revealed that control beliefs and attitudes toward breastfeeding could predict the behavioral intention of breastfeeding. Control beliefs were the most important factor in predicting behavioral intention. Therefore, nutrition education is needed to enhance the ability to cope with difficult situations while breastfeeding and increase faborable attitudes toward breastfeeding.

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[English]
Assessment of Nutritional Status and Factors Related to Smoking in Adolescent Males: II. Psychosocial Factors Influencing Smoking among Male High School Students: Kyungwon Kim, So rim Kim, Jung Hee Kim; Korean J Community Nutr 1998;3(3):358-367. Published online August 31, 1998

Abstract PDF: The study purpose was to investigate psychosocial factors related to smoking among adolescent boys. The Theory of Planned Behavior provide the basis for the study. Twenty-five attitudinal beliefs, 9 normative beliefs and 20control beliefs were identified through questionnaire development. The data were analyzed using t-test and chi2-test. Thirty-three percent of 300 students were smokers. Most of the beliefs examined were significantly different between smokers(n=92) and nonsmokers(n=92). With respect to attitudinal beliefs, smokers responded less negatively on the items of bad health effects of smoking such as sore throat, headache, chest pain, risk of cancer and bad blood circulation(p<0.001), and decreased physical strength(p<0.05). Smokers believed less negatively on the items that smoking leads to bothering others, bad breath, yellow teeth and making them spend money(p<0.001). In contrast, smokers felt more positively on smoking as a means of stress management, relaxing, helping digestion(P<0.001). Smokers felt less pressure for not smoking from significant others. Especially mother, siblings, friends, girl friends, seniors of school were important sources of influence regarding subject's smoking. Smokers felt less confident in controlling the urge to smoke in several situations including; when they were with friends or asked to smoke by friends; after the meal, or drinking; when they were bored or stressed, upset, and when they felt unstable(p<0.001). Smokers also scored lower on specific skills to quit or control the urge to smoke as well as overall perceived control, compared to nonsmokers(p<0.001). These results suggest that interventions for adolescents incorporate diverse strategies to increase the perceived control over smoking in specific situations as well as overall perceived control, to help them realize and modify attitudinal beliefs, and to elicit support from significant others for not smoking.

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