. 2021 Apr 15;13(5):evab062. doi: 10.1093/gbe/evab062

Table 3.

Coefficient Values for the Multiple Linear Regression Analyses Where TE Density Is the Response Variable and GC Content, Recombination Rate, Gene Length (GL), $K_{a} / K_{s}$ , and Duplication Status (Dataset 1) Are Predictors

	2-kb					10-kb
Variable	All TEs	DNA	LINE	SINE	LTR	All TEs	DNA	LINE	SINE	LTR
log(GC)	−5.127 ^∗	−2.278 ^∗	−2.012 ^∗	−5.704 ^∗	−1.576 ^∗	−1.739 ^∗	−2.220 ^∗	−5.414 ^∗	0.001	−3.895 ^∗
Recomb.	1.879 ^∗	1.053 ^∗	0.036	1.770 ^∗	0.899 ^∗	1.538 ^∗	1.570 ^∗	0.849 ^∗	1.759 ^∗	0.839 ^∗
Log( $K_{a} / K_{s}$ )	−1.661 ^∗	−0.813 ^∗	0.504 ^∗	−2.284 ^∗	0.086 ^∗	−1.073 ^∗	−1.133 ^∗	1.138 ^∗	−1.904 ^∗	−0.178 ^∗
Log(GL)	−1.983 ^∗	−0.388 ^∗	0.312 ^∗	−2.280 ^∗	−0.020	−0.848 ^∗	−0.623 ^∗	−1.070 ^∗	−0.650 ^∗	−0.939 ^∗
Status	1.871 ^∗	1.598 ^∗	−1.652 ^∗	2.782 ^∗	−0.539	1.145 ^∗	3.064 ^∗	−2.616 ^∗	2.935 ^∗	−0.094 ^∗
Log(GC)×Recomb.	−0.307 ^∗	−0.231 ^∗	/	−0.306 ^∗	−0.157 ^∗	−0.272 ^∗	−0.386 ^∗	−0.173 ^∗	−0.334 ^∗	−0.127
Log(GC)×Log( $K_{a} / K_{s}$ )	0.363 ^∗	0.167 ^∗	−0.121 ^∗	0.464 ^∗	/	0.205 ^∗	0.237 ^∗	−0.211 ^∗	0.359 ^∗	/
Log(GC)×Log(GL)	0.602 ^∗	0.190 ^∗	/	0.750 ^∗	0.092 ^∗	0.252 ^∗	0.218 ^∗	0.285 ^∗	0.220 ^∗	0.273 ^∗
Log(GC)×Status	−0.281	−0.346 ^∗	0.271 ^∗	−0.531 ^∗	0.127	−0.190	−0.597 ^∗	0.448 ^∗	−0.505 ^∗	/
Recomb×Log(GL)	−0.060 ^∗	−0.017 ^∗	/	−0.051 ^∗	−0.022 ^∗	−0.041 ^∗	−0.012	−0.014	−0.040 ^∗	−0.022
Recomb×Status	−0.041	/	−0.047 ^∗	/	/	−0.035	/	−0.058 ^∗	/	/
Log( $K_{a} / K_{s}$ )×Log(GL)	0.034 ^∗	0.015 ^∗	/	0.052 ^∗	/	0.032 ^∗	0.021 ^∗	−0.028 ^∗	0.051 ^∗	0.020 ^∗
Log( $K_{a} / K_{s}$ )×Status	/	/	/	/	/	−0.021	/	/	/	/
Log(GL)×Status	−0.054 ^∗	−0.018	0.064 ^∗	−0.052 ^∗	/	−0.026	−0.065 ^∗	0.088 ^∗	−0.077 ^∗	/
Recomb×Log( $K_{a} / K_{s}$ )	/	/	0.018	/	/	/	/	0.025	/	0.022
Adjusted R²	0.067	0.377	0.487	0.251	0.292	0.027	0.186	0.295	0.084	0.092

Note.—/, variable not retained in the step Akaike Information Criterion (AIC) process; Status, categorical variable for duplication status with duplicated as reference category and singleton as second category; Bold with asterisk, significant values considering Bonferroni correction for multiple tests.