Table 3.

Model coefficients for neuroticism mediation.

Antecedent		Consequent
		M (Neuroticism)				Y (Sleep disturbances)
		Coeff.	SE	p		Coeff.	SE	p
X (CNR1 rs6454674 genotype)	a	2.619	1.052	0.013	c'	0.077	0.050	0.125
M (Neuroticism)		–	–	–	b	0.011	0.003	<0.001
Constant	iM	43.557	0.780	<0.001	iY	0.331	0.118	0.005
			R2 = 0.018				R2 = 0.061
			F(1,340) = 6.193, p = 0.013				F(2,339) = 10.986, p < 0.001

X, Predictor; M, Mediator; Y, Outcome; Coeff., Coefficient; SE, Standard Error; a = path from X to M, c' = path from X to Y controlling for M, b = path from M to Y controlling for X.