Bi-directional relationships between physical activity and stress in college aged students: a brief report.

Young adults entering college are exposed to new and ever-changing stressors that powerfully affect health and academic achievement. While engaging in physical activity can help to manage the experience of stress, stress itself is an important barrier to activity. The purpose of this study is to examine the bidirectional relationships between physical activity and momentary stress among college students. We further examined whether these relationships were modified by trait mindfulness. Undergraduate students (N = 61) completed a single measure of trait mindfulness and up to 6 daily ecological momentary assessments of stress for one week while wearing an ActivPAL accelerometer. Activity variables were aggregated in the 30, 60, and 90 min before and following each stress survey. Multilevel models revealed significant negative relationships between stress ratings and total volume of activity both preceding and following the survey. Mindfulness did not modify these relationships but was independently and negatively related to momentary reports of stress. These results underscore the importance of developing activity programming for college students that addresses stress as a powerful and dynamic barrier to behavior change. [ABSTRACT FROM AUTHOR]

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