Título:	Drinking and driving behavior : a study under the theory of planned behavior
Autor(es):	Costa, Samuel Morgan Teixeira
Orientador(es):	Andrade, Michelle
Assunto:	Bebidas alcóolicas - consumo Motoristas
Data de publicação:	18-Jun-2024
Data de defesa:	22-Dez-2023
Referência:	COSTA, Samuel Morgan Teixeira. Drinking and driving behavior: a study under the theory of planned behavior. 2023. 109 f., il. Dissertação (Mestrado em Transportes) — Universidade de Brasília, Brasília, 2023.
Abstract:	Driving under the influence of alcohol accounts for almost one-third of traffic crashes worldwide. Although the effects of alcohol on the human body are well-known, the factors that drive people to engage in this behavior still require a more detailed analysis. Through Ajzen's Theory of Planned Behavior (TPB) from 1991, we sought to identify salient beliefs and evaluate the constructs underlying the conduct of driving under the influence of alcohol. Initially, following the TPB method, a pilot study with open-ended belief questions was administered to 192 drivers in the Federal District, Brazil. Subsequently, in the main study, with closed-ended questions to assess beliefs and basic TPB constructs, 745 individuals responded to a new questionnaire. A third and final instrument, aiming at actual behavior, was developed and applied, with 52 returns. The results of the first stage underwent content analysis, identifying and coding salient behavioral, normative, and perceived control beliefs that influence the decision to drink and drive. In the main study, the data underwent statistical procedures through correlations, exploratory factor analysis, and regressions. The results indicated that male drivers, as they age, are more prone to drive under the influence of alcohol. Additionally, significant correlations were found between behavioral and perceived control beliefs regarding the constructs of attitude (ATT) and perceived behavioral control (PBC), and, of these, with the intention (INT) to drink and drive. Subjective norms, while important, had a lesser impact. Therefore, it is suggested that potential road safety interventions should primarily target ATT and PBC constructs, addressing perceptions of risk, legal consequences, the effects of alcohol on the body, the influence of significant others such as victims and traffic authorities, and promoting the use of alternative means of transportation when under the influence of alcohol.
Unidade Acadêmica:	Faculdade de Tecnologia (FT) Departamento de Engenharia Civil e Ambiental (FT ENC)
Informações adicionais:	Dissertação (mestrado) — Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Civil e Ambiental, 2023.
Programa de pós-graduação:	Programa de Pós-Graduação em Transportes
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