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Applied Environmental Research

Authors

Publication Date

2025

Abstract

Plastics and microplastic contamination pose increasing threats to human health, food safety, and environmental sustainability. In Vietnam, rapid urbanization, economic growth, and population expansion have contributed to a surge in plastic waste, intensifying pollution across regions such as the Red River Delta. This study adopts the theory of planned behavior (TPB) to explore community perceptions, attitudes, and behavioral intentions regarding plastic and microplastic pollution. A quantitative research design was employed, with data collected through structured questionnaires administered to 1,305 respondents via a stratified multistage sampling strategy across four provinces in the Red River Delta. Descriptive statistics and multiple linear regression analyses were conducted to examine the influence of the TPB constructs on behavioral intention. The results reveal that all three TPB components significantly affect behavioral intention. Among them, attitude has the strongest positive influence, indicating that personal beliefs about the benefits of reducing plastic use are key drivers. Perceived behavioral control also has a positive effect, whereas subjective norms have a small but statistically significant negative influence. This result offers important cultural insights into the social dynamics surrounding plastic use in Vietnam. The novelty of this research lies in its application of the TPB framework to analyze microplastic-related behavioral intentions at the community level in Vietnam, a context that remains understudied in the current literature. This study provides valuable insights for developing targeted interventions and public policies aimed at reducing plastic consumption and promoting sustainable environmental practices in the country.

DOI

10.35762/AER.2025039

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