David E Conroy1, Nilam Ram2, Aaron L Pincus3, Donna L Coffman4, Amy E Lorek5, Amanda L Rebar1, Michael J Roche3. 1. Department of Kinesiology, The Pennsylvania State University. 2. Department of Human Development & Family Studies, The Pennsylvania State University. 3. Department of Psychology, The Pennsylvania State University. 4. The Methodology Center, The Pennsylvania State University. 5. Center for Healthy Aging, The Pennsylvania State University.
Abstract
OBJECTIVE: In contrast to proposals that physical activity (PA) can be a substitute for alcohol use, people who engage in greater overall PA generally consume more alcohol on average than less-active peers. Acknowledging that both PA and alcohol use vary considerably from day-to-day, this study evaluated whether established associations reflect daily behavioral coupling within-person, are an artifact of procedures that aggregate behavior over time, or both. METHODS: A life span sample of 150 adults (aged 19-89 years) completed three 21-day measurement bursts of a daily diary study. At the end of each day, they reported on their PA and alcohol consumption. Data were analyzed in a negative binomial multilevel regression. RESULTS: As expected, both behaviors exhibited limited between-person variation. After controlling for age, gender, and seasonal and social calendar influences, daily deviations in PA were significantly associated with daily total alcohol use. Once the within-person process linking PA and alcohol use was controlled, usual PA and total alcohol use were not associated. CONCLUSIONS: The established between-person association linking PA and alcohol use reflects the aggregation of a daily process that unfolds within-people over time. Further work is needed to identify mediators of this daily association and to evaluate causality, as well as to investigate these relations in high-risk samples. (c) 2015 APA, all rights reserved).
OBJECTIVE: In contrast to proposals that physical activity (PA) can be a substitute for alcohol use, people who engage in greater overall PA generally consume more alcohol on average than less-active peers. Acknowledging that both PA and alcohol use vary considerably from day-to-day, this study evaluated whether established associations reflect daily behavioral coupling within-person, are an artifact of procedures that aggregate behavior over time, or both. METHODS: A life span sample of 150 adults (aged 19-89 years) completed three 21-day measurement bursts of a daily diary study. At the end of each day, they reported on their PA and alcohol consumption. Data were analyzed in a negative binomial multilevel regression. RESULTS: As expected, both behaviors exhibited limited between-person variation. After controlling for age, gender, and seasonal and social calendar influences, daily deviations in PA were significantly associated with daily total alcohol use. Once the within-person process linking PA and alcohol use was controlled, usual PA and total alcohol use were not associated. CONCLUSIONS: The established between-person association linking PA and alcohol use reflects the aggregation of a daily process that unfolds within-people over time. Further work is needed to identify mediators of this daily association and to evaluate causality, as well as to investigate these relations in high-risk samples. (c) 2015 APA, all rights reserved).
Authors: David M Lydon; Nilam Ram; David E Conroy; Aaron L Pincus; Charles F Geier; Jennifer L Maggs Journal: Addict Behav Date: 2016-05-20 Impact factor: 3.913
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