Table 2 Odds ratio and 95% confidence interval for each group

Soccer

1993

2.19 (1.93–2.48)

1.83 (1.61–2.07)

0.97 (0.86–1.10)

2.04 (1.80–2.31)

2001

2.54 (2.24–2.88)

2.14 (1.89–2.43)

1.40 (1.23–1.59)

1.95 (1.72–2.21)

2010

2.38 (2.10–2.70)

1.96 (1.73–2.22)

1.53 (1.35–1.73)

1.72 (1.52–1.95)

2018

2.06 (1.82–2.34)

1.86 (1.64–2.11)

1.30 (1.15–1.47)

1.71 (1.51–1.94)

Baseball

1993

2.33 (2.06–2.64)

2.18 (1.92–2.47)

1.18 (1.04–1.34)

2.06 (1.82–2.34)

2001

2.59 (2.28–2.94)

2.20 (1.94–2.49)

1.39 (1.23–1.58)

2.01 (1.77–2.28)

2010

2.31 (2.04–2.62)

2.04 (1.80–2.31)

1.68 (1.48–1.90)

1.62 (1.43–1.84)

2018

1.65 (1.46–1.87)

1.51 (1.33–1.71)

1.16 (1.02–1.32)

1.47 (1.30–1.67)

Basketball

2010

1.55 (1.37–1.76)

1.41 (1.24–1.60)

1.13 (1.00–1.28)

1.39 (1.23–1.58)

2018

1.65 (1.46–1.87)

1.49 (1.31–1.69)

1.01 (0.89–1.14)

1.56 (1.38–1.77)

Volleyball

2010

1.70 (1.50–1.93)

1.87 (1.65–2.12)

1.22 (1.08–1.38)

1.6 (1.41–1.81)

2018

1.33 (1.17–1.51)

1.16 (1.02–1.32)

1.23 (1.08–1.39)

1.12 (0.99–1.27)