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John Cooper, Barbara Stetson, Jason Bonner, Sean Spille, Sathya Krishnasamy and Sri Prakash Mokshagundam

Background:

This study assessed physical activity (PA) in community dwelling adults with Type 2 diabetes, using multiple instruments reflecting internationally normed PA and diabetes-specific self-care behaviors.

Methods:

Two hundred and fifty-three Black (44.8%) and White (55.2%) Americans [mean age = 57.93; 39.5% male] recruited at low-income clinic and community health settings. Participants completed validated PA self-report measures developed for international comparisons (International Physical Activity Questionnaire Short Form), characterization of diabetes self-care (Summary of Diabetes Self-Care Activities Measure; SDSCA) and exercise-related domains including provider recommendations and PA behaviors and barriers (Personal Diabetes Questionnaire; PDQ).

Results:

Self-reported PA and PA correlates differed by instrument. BMI was negatively correlated with PA level assessed by the PDQ in both genders, and assessed with SDSCA activity items in females. PA levels were low, comparable to previous research with community and diabetes samples. Pain was the most frequently reported barrier; females reported more frequent PA barriers overall.

Conclusions:

When using self-report PA measures for PA evaluation of adults with diabetes in clinical settings, it is critical to consider population and setting in selecting appropriate tools. PA barriers may be an important consideration when interpreting PA levels and developing interventions. Recommendations for incorporating these measures in clinical and research settings are discussed.

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Maggie Evans, Kelly J. Rohan, Alan Howard, Sheau-Yan Ho, Patricia M. Dubbert and Barbara A. Stetson

This prospective, naturalistic study examined the relationship between different exercise dimensions (i.e., frequency, intensity, duration, and omissions of planned exercise) and psychological well-being among community adults participating in self-selected exercise. For at least 2 months, participants kept daily exercise diaries and provided weekly ratings for depressed mood, anxiety, sleep quality, concentration, alertness, confidence, weight satisfaction, physical fitness, appetite, satisfaction with physical shape and appearance, and stress experienced. Linear mixed model analyses revealed positive associations between exercise frequency, intensity, and duration across a broad range of psychological and mood-related outcomes. In contrast, omissions of planned exercise were associated with a global and detrimental effect on psychological health. A main effect of age and a moderating effect of gender was observed in many of the models. This work contributes to literature on exercise dimensions and psychological constructs and informs future research that is needed to develop physical activity recommendations for improved mental health.