Psychosocial factors and physical activity among workers in Brazil.

BACKGROUND: Complex behaviors, such as physical activity (PA), may be related to different levels of influence. OBJECTIVE: To analyze the role of social support, mood and alcohol consumption as psychosocial predictors on the engagement in PA among Brazilian workers. METHODS: This is a quantitative, cross-sectional analytical study. A sample of 395 participants answered a sociodemographic questionnaire, the Alcohol Use Disorder Identification Test (AUDIT), the Baecke Habitual Physical Activity Questionnaire, the Social Support Scale for Physical Activities (SSSPA) and the Brunel Mood Scale (BRUMS). RESULTS: Analysis via Pearson's Correlation Test indicated a negative correlation between PA and depression and fatigue, and a positive correlation between PA and alcohol consumption, vigor and the four variables of social support (support of family members for walking; support of friends for walking; support of family members for moderate and vigorous physical activity; support of friends for moderate and vigorous physical activity). A positive relationship between PA and low-risk alcohol consumption was also identified. A hierarchical multiple regression analysis showed that family support for walking, friends support for moderate and vigorous physical activity, vigor and alcohol consumption are predictors of PA. Hayes' moderation analysis indicated that social support has a moderating effect on the relationship between alcohol use and PA. CONCLUSION: Different factors may be involved in engaging in PA. A broader approach that addresses the singularities of individuals, especially in actions for different patterns of alcohol consumption, is recommended. [ABSTRACT FROM AUTHOR]

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