The Associations between Self-Determined Motivation, Multidimensional Self-Efficacy, and Device-Measured Physical Activity

I-Hua Chu, Yu-Ling Chen, Pei-Tzu Wu, Wen-Lan Wu and Lan-Yuen Guo
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I-Hua Chu: Department of Sports Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
Yu-Ling Chen: Department of Sports Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
Pei-Tzu Wu: School of Physical Therapy & Athletic Training, Pacific University, Hillsboro, OR 97123, USA
Wen-Lan Wu: Department of Sports Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
Lan-Yuen Guo: Department of Sports Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan

IJERPH, 2021, vol. 18, issue 15, 1-11

Abstract: Self-determined motivation (SDT) and self-efficacy theory have been widely used for understanding individuals’ physical activity motivation and self-efficacy. However, there is a gap of evidence on the relations between SDT and multidimensional self-efficacy with device-measured physical activity in healthy adults. Questionnaires including the behavior regulation in exercise questionnaire version 2 (BREQ-2) and the multidimensional self-efficacy for exercise scale (MSES) were completed by the participants at baseline. All participants wore an accelerometer for seven days to record their physical activities at baseline and eight-week follow up. In total, thirty healthy adults completed the study (12 men, 18 women). The results showed that intrinsic motivation and scheduling self-efficacy had significantly positive associations with moderate-to-vigorous physical activity energy expenditure and duration. Multiple regression analysis showed that the relative autonomy index, task and scheduling efficacy could predict physical activity at baseline, but no SDT or self-efficacy variable could predict physical activity behavior after eight weeks. These results showed that the associations between motivation and self-efficacy with physical activity might change within a short period of time, which suggests that the regular assessment of motivation and self-efficacy might be needed in interventional programs to promote continued physical activity participation in healthy adults.

Keywords: self-determined motivation; self-efficacy; accelerometer; physical activity; exercise behavior; adults (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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