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. 2021 Mar 31;16(3):e0248590. doi: 10.1371/journal.pone.0248590

Table 2. Influence of spectators on football matches based on data from season 2019/20.

Dependent variable Goals Points Expected Points Shots Shots on Target Fouls Yellow Cards Red Cards
Number of matches 3,752 3,752 3,752 3,372 3,372 3,752 3,752 3,752
Constant 0.2256*** (0.0545) 0.3248*** (0.0838) 0.2836*** (0.0289) 1.0422*** (0.2497) 0.3767** (0.1147) 0.2613 (0.1821) 0.1511** (0.0562) 0.0020 (0.0145)
Spectator 0.0482 (0.0637) 0.0633 (0.0935) 0.1495*** (0.0318) 1.3412*** (0.2902) 0.4146** (0.1333) -0.7426*** (0.1979) -0.4788*** (0.0657) -0.0340* (0.0170)
Estimated differences by the model
With spectators 0.2738 0.3881 0.4331 2.3834 0.7913 -0.4813 -0.3277 -0.0320
Without spectator 0.2256 0.3248 0.2836 1.0422 0.3767 0.2613 0.1511 0.0020
Reduction by spectators 17.6% 16.3% 34.5% 56.3% 52.4% 154,3% 146.1% 106,3%

The table reports the results for a linear mixed regression model including Spectator as fixed effect and controlling for League as random effect.

* p < 0.05,

** p < 0.01,

*** p < 0.001