期刊
FRONTIERS IN NUTRITION
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2021.688059
关键词
vegetable intake; psychosocial determinants; partial least square structural equation modelling; young adult; Nepal
Attitudes, social influence, habit, and self-identity were significant factors influencing the intention to consume two or more servings of vegetables per day among Nepalese young adults. Additionally, self-efficacy and habit significantly influenced the actual behavior of consuming vegetables daily. However, self-efficacy did not significantly influence intention and self-identity did not significantly influence behavior.
Background: Adequate intake of vegetables facilitates a healthy lifestyle. However, the majority of Nepalese young adults consume inadequate amount of vegetables per day. Objectives: We explored psychosocial determinants of daily intake of two or more servings of vegetables among Nepalese young adults using attitude, social influence, and self-efficacy (ASE) as a theoretical framework, extended with measures of habit and self-identity as additional constructs. Methods/Participants: A cross-sectional study through a web-based questionnaire survey was conducted among 461 Nepalese young adults aged 18-35 years old. Participants were recruited through convenience (snowball) sampling. A factor-based partial least square structural equation modelling was used for analysis. Results: The findings indicated that attitudes (beta = 0.09, p = 0.029), social influence (beta = 0.17, p < 0.001), habit (beta = 0.24, p < 0.001) and self-identity (beta = 0.30, p < 0.001) were significant factors influencing intention to eat two or more servings of vegetables per day. Further, self-efficacy (beta = 0.10, p = 0.011), habit (beta = 0.08, p = 0.034), diet (beta = -0.10, p = 0.014), and place of residence (beta = 0.11, p = 0.007) significantly influenced behaviour to eat two or more servings of vegetables per day. However, self-efficacy (beta = 0.07, p = 0.062) did not significantly influence intention and self-identity (beta = 0.06, p = 0.083), age (beta = -0.02, p = 0.328), gender (beta = 0.02, p = 0.350), and body mass index (beta = -0.04, p = 0.209) did not significantly influence behaviour to eat two or more servings of vegetables per day. Conclusion: The study shows that attitudes, social influence, habit, and self-identity were significant factors influencing intention to eat two or more servings of vegetables per day. Further, self-efficacy and habit significantly influenced behaviour to eat two or more servings of vegetables per day. However, self-efficacy did not significantly influence intention and self-identity did not significantly influence behaviour to eat two or more servings of vegetables per day.
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