Habit strength moderates the strength of within-person relations between weekly self-reported and objectively-assessed physical activity |
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| Authors: | Amanda L. Hyde Steriani Elavsky Shawna E. Doerksen David E. Conroy |
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| Affiliation: | 1. Department of Kinesiology, The Pennsylvania State University, United States;2. Department of Recreation, Parks, & Tourism Management, The Pennsylvania State University, United States;1. Department of Endocrinology and Metabolism, Institute of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning, China;2. Department of Endocrinology and Metabolism, The Sixth Affiliated People''s Hospital of Shanghai Jiaotong University, Shanghai 200233, China;3. Department of Endocrinology and Metabolism, China-Japan Friendship Hospital, Beijing 100029, China;4. Department of Endocrinology and Metabolism, Chinese People''s Liberation Army General Hospital, Beijing 100853, China;5. Department of Endocrinology and Metabolism, Sun Yat-sen University Third Hospital, Guangzhou 510630, Guangdong, China;6. Department of Endocrinology and Metabolism, Peking University People''s Hospital, Beijing 100044, China;7. Department of Endocrinology and Metabolism, Shanxi Provincial People''s Hospital, Taiyuan 030012, Shanxi, China;8. Department of Endocrinology and Metabolism, Sichuan University West China Hospital, Chengdu 610041, Sichuan, China;9. Department of Endocrinology and Metabolism, Fourth Military Medical University Xijing Hospital, Xi''an 710032, Shaanxi, China;10. Department of Endocrinology and Metabolism, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu, China;11. Department of Endocrinology and Metabolism, Qilu Hospital of Shandong University, Jinan 250012, Shandong, China;12. Department of Endocrinology and Metabolism, Peking University First Hospital, Beijing 100034, China;13. Department of Endocrinology and Metabolism, Henan Provincial People''s Hospital, Zhengzhou 450003, Henan, China;14. Department of Endocrinology and Metabolism, Second Affiliated Hospital of Harbin Medical University, Harbin 150001, Heilongjiang, China;15. Department of Endocrinology and Metabolism, Xiangya Second Hospital of Central South University, Changsha 410008, Hunan, China;p. Department of Endocrinology and Metabolism, Xinjiang Uygur Autonomous Region Hospital, Urumqi 830001, Xinjiang, China;q. Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing 100730, China;1. School of Nursing and Health Studies, University of Miami, Coral Gables, Florida, USA;2. Department of Psychiatry, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;3. Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA;4. Duke University School of Nursing, Durham, North Carolina, USA;5. Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina, USA |
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| Abstract: | ObjectivesPhysical activity (PA) habit strength influences how people control their PA and may also influence how people encode, store, or recall their PA. This study evaluated whether individual differences in PA habit strength moderated the magnitude of within-person associations between weekly self-reported PA and step counts.DesignLongitudinal.MethodAfter an initial assessment of PA habit strength, university students wore pedometers for four weeks and completed four self-reports of weekly mild, moderate, and strenuous PA.ResultsOn average, people's weekly step counts and self-reported PA across time were weakly-to-moderately associated, but there was substantial variability in the magnitude of these associations across people. People with strong PA habits had weaker within-person associations between deviations from their average self-reported PA and step counts than those with weak PA habits.ConclusionsThese results may indicate that PA habit strength influences the sensitivity of self-report PA measures to change in objectively-measured PA. |
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