Introduction
|
Independent variable
|
Estimate ± SE
|
χ
2
|
p value
|
95% confidence interval
|
Number of calls
|
−0.45±0.04
|
19.56
|
<0.001
|
−0.52 to − 0.35
|
Context
|
0.25±0.08
|
7.03
|
0.008
|
0.08 to 0.41
|
Build-up
|
Independent variable
|
Estimate ± SE
|
χ
2
|
p value
|
95% confidence interval
|
Number of calls
|
−0.15±0.06
|
4.41
|
0.036
|
−0.32 to − 0.01
|
Context
|
−0.03±0.18
|
0.03
|
0.857
|
−0.47 to 0.37
|
Climax
|
Independent variable
|
Estimate ± SE
|
χ
2
|
p value
|
95% confidence interval
|
Number of calls
|
−0.32±0.07
|
12.54
|
<0.001
|
−0.49 to − 0.14
|
Context
|
0.35±0.11
|
5.99
|
0.014
|
0.09 to 0.57
|
Let-down
|
Independent variable
|
Estimate ± SE
|
χ
2
|
p value
|
95% confidence interval
|
Number of calls
|
−0.14±0.06
|
10.94
|
<0.001
|
−0.37 to − 0.11
|
Context
|
0.17±0.15
|
1.11
|
0.291
|
−0.14 to 0.55
|
Entire pant hoot
|
Independent variable
|
Estimate ± SE
|
χ
2
|
p value
|
95% confidence interval
|
Number of calls
|
−0.25±0.03
|
23.16
|
<0.001
|
−0.31 to − 0.19
|
Context
|
0.09±0.06
|
1.55
|
0.213
|
−0.06 to 0.20
|
- Test variables are in bold. (LMM; dependent variable: call duration; random intercepts: pant hoot ID and caller ID)