Table 1.

Standardized parameter estimates from the general linear mixed models.

interaction model	β	s.e.	d.f.	t	p
intercept	−0.07	0.02	17.07	−3.55	0.002
sex ratio	−0.09	0.01	21.88	−6.16	<0.0001
age	0.61	0.01	233.94	60.33	<0.0001
SES	0.05	0.008	21.03	5.9	<0.0001
sex ratio×age	−0.04	0.008	108.4	−4.84	<0.0001
age×SES	−0.01	0.005	405.71	−2.73	0.007
sex ratio×SES	0.03	0.007	47.01	4.01	<0.0001