Table 3.

Poisson Regression Models for the Analysis of Duplication and Loss Data.

	Model Term	Effect Size	SE	P value
Response variable: turnover rate	(Intercept)	−5.912	0.017	<2e-16
	Musca branch=TRUE	0.253	0.025	<2e-16
	Immune gene=TRUE	0.517	0.103	4.62e-07
	Musca×immune interaction	0.222	0.092	0.0164
Response variable: duplication rate	(Intercept)	−6.388	0.019	<2e-16
	Musca branch=TRUE	0.637	0.028	<2e-16
	Immune gene=TRUE	0.517	0.112	3.68e-06
	Musca×immune interaction	0.428	0.103	3.46e-05
Response variable: loss rate	(Intercept)	−7.412	0.033	<2e-16
	Musca branch=TRUE	−0.930	0.070	<2e-16
	Immune gene=TRUE	0.600	0.171	0.000459
	Musca×immune interaction	−0.005	0.255	0.983