Table 2. Repeatabilities and Likelihood Ratio Tests of individual variation in photoreceptor densities, for each eye, and their covariance.

	Left eye				Right eye				Covariance
Cone type	ra	d2RLL	df	p	ra	d2RLL	df	p	rc	d2RLL	df	p
All cones	0.24	78.96	2	<0.001	0.17	58.94	2	<0.001	0.47	3.95	1	0.047
Double	0.25	100.9	2	<0.001	0.18	62.49	2	<0.001	0.52	5.19	1	0.023
Single	0.25	81.2	2	<0.001	0.19	72.32	2	<0.001	0.57	6.31	1	0.012
UVS	0.21	77.41	2	<0.001	0.17	60.88	2	<0.001	0.66	8.52	1	0.004
SWS	0.20	68.3	2	<0.001	0.15	46.23	2	<0.001	0.61	6.52	1	0.011
MWS	0.21	67.81	2	<0.001	0.16	53.57	2	<0.001	0.59	6.13	1	0.013
LWS	0.38	160.71	2	<0.001	0.38	202.74	2	<0.001	0.74	15.61	1	<0.001

r_a: Adjusted repeatabilities [24]; r_c: Covariance Correlation [41]; d2RLL  =  the difference between the -2*restricted log likelihoods of models with and without the variance component, used in a Likelihood ratio test as a chi-square statistic [41].