Table 3.

Maximum likelihood estimation of variance components from adjusted * mixed-effects multilevel models for spindle density

Characteristic	Variable	Optimal model	Genetic variance	Common variance
Total power	S0	AE	0.637 (0.496, 0.779)**
Average sigma	S1	AE	0.817 (0.738, 0.895)**
Relative sigma	S2	AE	0.811 (0.729, 0.893)**
	Detector
Density	a2	AE	0.800 (0.712, 0.888)**
	a3	AE	0.805 (0.722, 0.888)**
	a4	CE		0.538 (0.395, 0.68)
	a5	AE	0.648 (0.507, 0.789)**
	a7	AE	0.816 (0.733, 0.899)**
	a8	AE	0.737 (0.622, 0.852)**
	a9	AE	0.791 (0.700, 0.882)**
	a10	AE	0.801 (0.711, 0.891)**

Variances with confidence intervals. Mean for the automated detectors with SD.

*Adjusted for age, sex, and age by sex interaction.

^**  p < 0.0001.