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Open AccessArticle

The Role of Dopamine Receptor D2 in Bridging the Intention-Behavior Gap in Sport Participation

Department of Physical Education, College of Education, Seoul National University, Seoul 08826, Korea
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Academic Editor: Paul Tchounwou
Int. J. Environ. Res. Public Health 2021, 18(5), 2379; https://doi.org/10.3390/ijerph18052379
Received: 27 January 2021 / Revised: 12 February 2021 / Accepted: 20 February 2021 / Published: 1 March 2021
Previous studies have identified that a behavior can occur through the strongest predictor intention, but there is a gap between intention and behavior. Dopamine receptor D2 (DRD2) is known to account for a variance in sporting behaviors in human and animal subjects. However, the relationship between DRD2 and sport participation has been poorly studied, and the limited available reports are inconsistent. The present study was performed to examine the impact of DRD2 on sport participation among Korean university students based on the integrated behavioral model (IBM). Data were collected from enrolled university students in Seoul (N = 45). Participants answered survey questions first, and then they gave investigators their hair to provide DNA information (i.e., the A1 allele of DRD2). DRD2 had a significant effect on sport participation, but only in male students. Male students who carried the A1 allele of DRD2 significantly participated in 105.10 min more sporting activities than male students who did not. Moreover, the effect of intention on sport participation was significantly decreased when considering DRD2. Despite the small sample size, the results of this study could be a preliminary case for a larger study and indicate the direction of future research. Our results suggest that DRD2 may have played an important role as the “actual skill” shown in the IBM. View Full-Text
Keywords: A1 allele; DRD2; integrated behavioral model; sport participation; university students A1 allele; DRD2; integrated behavioral model; sport participation; university students
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MDPI and ACS Style

Park, S.; Kwon, J.; Ahn, C.; Cho, H.-S.; Moon, H.Y.; Lee, C.G. The Role of Dopamine Receptor D2 in Bridging the Intention-Behavior Gap in Sport Participation. Int. J. Environ. Res. Public Health 2021, 18, 2379. https://doi.org/10.3390/ijerph18052379

AMA Style

Park S, Kwon J, Ahn C, Cho H-S, Moon HY, Lee CG. The Role of Dopamine Receptor D2 in Bridging the Intention-Behavior Gap in Sport Participation. International Journal of Environmental Research and Public Health. 2021; 18(5):2379. https://doi.org/10.3390/ijerph18052379

Chicago/Turabian Style

Park, Seiyeong; Kwon, Junhye; Ahn, Chiyoung; Cho, Hae-Sung; Moon, Hyo Y.; Lee, Chung G. 2021. "The Role of Dopamine Receptor D2 in Bridging the Intention-Behavior Gap in Sport Participation" Int. J. Environ. Res. Public Health 18, no. 5: 2379. https://doi.org/10.3390/ijerph18052379

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