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Table 2 Results of mixed effects regression analyses for gender difference in race time for the annual fastest and the annual three fastest finishers

From: Participation and performance trends in elderly marathoners in four of the world’s largest marathons during 2004–2011

Parameter

Estimate

SE

df

t

p value

Annual fastest finishers

Constant term

2749.73

3812.86

19.000

0.721

0.480

Calendar year

−1.36

1.89

19.000

−0.716

0.483

Cage gender difference

4.07

6.60

19.000

0.617

0.545

Cage2 gender difference

0.17

0.87

19.000

0.195

0.848

(Gender = f) × (age group = 85–89)

−42.64

82.73

19.000

−0.515

0.612

(Gender = f) × (age group = 80–84)

−14.66

27.14

19.000

−0.540

0.595

Annual three fastest finishers

Constant term

2202.04

1829.08

35.12

1.20

0.237

Calendar year

−1.08

0.91

35.05

−1.18

0.243

Cage gender difference

−2.01

3.05

44.78

−0.65

0.514

Cage2 gender difference

0.57

0.51

44.92

1.11

0.272

(Gender = f) × (age group = 75–79)

−7.27

12.85

44.79

−0.56

0.574

  1. f female, cage centered age, SE standard error