Table 2 Linear mixed model statistics for the effects of male, female, and male-female interaction (M × F) (random effects) on sperm motility at three different timepoints (60, 180, and 300 min) after the sperm treatments with follicular fluid.

From: Female-mediated selective sperm activation may remodel major histocompatibility complex-based mate choice decisions in humans

Effects

Motility component 60 min

Motility component 180 min

Motility component 300 min

Random

χ2

d.f.

P value

% var

χ2

d.f.

P-value

% var

χ2

d.f.

P value

% var

Male

202.66

1

<0.001

74.64

70.67

1

<0.001

33.03

48.30

1

<0.001

26.70

Female

11.78

1

<0.001

2.09

1.06

1

0.30

1.16

4.96

1

0.026

3.94

M×F

3.74

1

0.053

1.88

4.77

1

0.029

5.87

32.09

1

<0.001

14.61

Residual

   

20.17

   

54.96

   

41.06

Fixed

t

d.f.

P value

 

t

d.f.

P value

 

t

d.f.

P value

 

Intercept

4.21

11.2

0.001

 

3.30

12.5

0.006

 

−5.00

15.1

<0.001

 

Sub-sample

4.87

329

<0.001

 

−6.26

329

<0.001

 

−11.23

329

<0.001

 

Diagnosis

−0.71

8.0

0.50

 

0.49

8.0

0.64

 

1.75

8.0

0.12

 

Total

   

1.23

   

4.98

   

13.70

  1. Statistically significant P values are indicated with bold font. %var: proportion of variance explained by random effects and fixed effects (sub-sample and female infertility diagnosis).
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