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Health Psychol. 2015 Jun;34(6):653-60. doi: 10.1037/hea0000157. Epub 2014 Sep 15.

Daily physical activity and alcohol use across the adult lifespan.

Author information

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.

PMID:
25222084
PMCID:
PMC4362843
DOI:
10.1037/hea0000157
[Indexed for MEDLINE]
Free PMC Article

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