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Adam, T.* ; Bauer, J.* ; Deutscher, C.* ; Fuchs, C. ; Schamberger, T.* ; Winkelmann, D.*

Measuring football fever through wearable technology.

Sci. Rep. 16:3866 (2026)
Publ. Version/Full Text Research data DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Football is the world's most popular sport, evoking strong physiological and emotional responses among its fans. Yet, the specific reactions to fan involvement have received little attention in the literature. In this paper, we quantify the resulting physiological responses through a unique case study from professional football: the 2025 cup final of the German Football Association (DFB) between first-division club VfB Stuttgart and third-division club Arminia Bielefeld. We collected high-resolution smartwatch data, including heart rate and stress level, from 229 Arminia Bielefeld fans over approximately 12 weeks, complemented by survey responses on identification with the club, match attendance, and personal characteristics from a subset of 37 participants. By combining physiological data with survey information, we analyse variations in emotional arousal across individuals and contexts, measured by physiological reactions to the cup final. This approach provides rare, data-driven insights into the football fever that captivates fans during high-stakes competitions. Furthermore, we compare the vital parameters recorded on the day of the match with baseline levels on non-matchdays throughout the entire observation period. Our findings reveal pronounced physiological responses among fans, beginning hours before the match and peaking at kick-off.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Fan Involvement ; Football Fever ; Smartwatch Data ; Vital Parameters ; Wearable Technology; Heart-rate-variability
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Quellenangaben Volume: 16, Issue: 1, Pages: , Article Number: 3866 Supplement: ,
Publisher Springer
Publishing Place London
Reviewing status Peer reviewed
Grants Universitt Bielefeld (3146)