基于计划行为理论的健康饮食行为意向相关因素研究——以北京地区成年人为研究对象

Q3 Medicine

Journal of Nutrition and Health Pub Date : 2021-02-01 DOI:10.4163/JNH.2021.54.1.67

Dan Liu, Seungwoo Lee, Ji-Yun Hwang

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引用次数: 4

摘要

目的:运用计划行为理论(TPB)探讨态度、主观规范和知觉行为控制(PBC)等心理构念对成人个体行为意向的影响。社会支持对于稳定健康饮食也很重要。本研究以北京地区成人为研究对象，采用扩展型饮食习惯量表，考察了健康饮食习惯的三个主要构式以及社会支持与健康饮食行为意愿的关系。方法:研究问卷基于先前验证的项目，并于2020年10月至11月进行在线调查。采用多元线性回归分析方法，对北京市244名成年人的健康饮食意向、社会支持和健康饮食意向三者之间的关系进行了检验。结果:在TPB的三个主要构式中，主观规范(p = 0.044)和PBC (p = 0.000)与健康饮食行为意愿显著相关(p = 0.000)，该模型解释了多元线性回归模型中TPB三个构式对健康饮食行为意愿方差的76.6%。在模型中额外加入社会支持并没有增加模型描述健康饮食行为意向的解释力。当社会支持不能充分解释行为意向的差异时，主观规范(p = 0.040)和PBC (p = 0.000)仍然显著。结论:主观规范和PBC可能是北京地区成年人健康饮食行为意向的潜在决定因素。这些研究结果可用于促进中国城市成年人的健康饮食。需要大规模的干预研究来确定社会规范和PBC是否能预测中国成年人健康饮食的实际行为。

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Factors related to the intention of healthy eating behaviors based on the theory of planned behavior: focused on adults residing in Beijing, China

Purpose: The theory of planned behavior (TPB) was used to investigate how the psychological constructs of attitude, subjective norms, and perceived behavioral control (PBC) affect the individual intention of behaviors in adults. Social support is also important in enabling the stability of healthy eating. This study examined the relationship between three major constructs of TPB as well as social support and the intention of healthy dietary behaviors in adults residing in Beijing, China using the extended TPB. Methods: The study questionnaire was based on previously validated items and an online survey was conducted from October to November 2020. Using a total of 244 Chinese adults in Beijing, multiple linear regression analysis was used to test the relationships between three major constructs of TPB as well as the social support and intention of healthy eating. Results: Among the three major constructs of TPB, subjective norms (p = 0.044) and PBC (p = 0.000) were significantly related to the behavioral intention of healthy eating (p = 0.000), and the model explained 76.6% of the variance of the behavioral intention from the three constructs of TPB included in the multiple linear regression model. The additional inclusion of social support to the model did not increase the explanatory power of the model to describe the behavioral intention of healthy eating. The subjective norms (p = 0.040) and PBC (p = 0.000) were still significant where social support did not explain the variance of the behavioral intention adequately. Conclusion: The subjective norms and PBC may be potential determinants of the behavioral intention of healthy eating in adults residing in Beijing, China. These study results can be used to promote healthy eating in Chinese adults living in urban areas. Large-scale intervention studies will be needed to determine if social norms and PBC predict the actual behaviors of healthy eating in Chinese adults.

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来源期刊

Journal of Nutrition and Health Medicine-Medicine (miscellaneous)

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： 1. The Journal of Nutrition and Health (J Nutr Health; JNH) is the official journal of the Korean Nutrition Society, established in 1967, and was published in 1968 as the The Korean Journal of Nutrition to contribute to the scientific development of nutrition and the health and nutrition of mankind. Retitled as Journal of Nutrition and Health in June 2013, and it is published only in e-Journal from February, 2019 issue. The journal is published 6 times per year on February 28, April 30, June 30, August 31, October 31, and December 31. 2. The J Nutr Health publishes original research articles, reviews, research data, and research notes related to the following research categories: 1) Nutritional biochemistry (animal experiments, in vitro experiments) 2) Human & clinical nutrition (human nutrition related to nutrient metabolism, clinical nutrition related to diseases, nutrition throughout the life cycle) 3) Public health nutrition (community nutrition, nutrition education, dietary culture, dietary behavior, nutritional epidemiology) 4) Institutional food service (food service and management) 5) Others.