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Comparing Multiple Measures of Physical Activity in African-American Adults

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Objectives: We assessed the agreement between self-reported and accelerometer-assessed physical activity (PA) in African-American adults by sex, education, income, and weight status. Methods: Participants (N = 274) completed the International PA Questionnaire short form (IPAQS), Behavioral Risk Factor Surveillance System (BRFSS) PA questions, and PA Questionnaire (PAQ) and a 7-day accelerometer protocol using a waist-worn ActiGraph GT3X accelerometer. Interrelationships among PA measures were assessed by sociodemographics. Results: Participants consistently reported doing ≥150 minutes of moderate-to-vigorous-intensity PA (MVPA) per week via self-report measures and did 113.5±179.4 minutes of accelerometer-assessed MVPA/week. Men self-reported and did more MVPA than women (p < .01). Regardless of sex, there were low correlations between self-report and accelerometer-assessed MVPA (r = .092-.190). Poor agreement existed between self-report and accelerometry for classifying participants as meeting PA recommendations (Cohen κ = .054-.136); only half of the participants were classified the same by both self-report and accelerometry. Conclusions: There was generally poor relative agreement between self-report and accelerometer-based assessments of MVPA in this sample of African-American adults. Findings suggest that self-report measures may perform better among African-American women than men, regardless of socioeconomic or weight status.
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Keywords: ACCELEROMETRY; ADULTS; EXERCISE; MEASUREMENT; MINORITY HEALTH

Document Type: Research Article

Affiliations: 1: Department of Kinesiology, College of Health and Human Development, The Pennsylvania State University, University Park, PA;, Email: [email protected] 2: Department of Kinesiology, College of Health and Human Development, The Pennsylvania State University, University Park, PA 3: Edson College of Nursing and Health Innovation, Center for Health Promotion and Disease Prevention, Arizona State University, Phoenix, AZ 4: Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX 5: Department of Population Health Sciences and the Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 6: USDA ARS Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX 7: Department of Health Disparities Research, The University of Texas MD Anderson Cancer Center, Houston, TX

Publication date: September 1, 2019

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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