Table 3.

Negative and Positive Affect Moderating the Model Using Pain to Predict Next-Day Sleep (N = 1512)

	Beta	SE	t value
Previous Night Sleep Quality	−0.09	0.03	−3.34***
Pain Severity	−0.04	0.03	−1.50
Positive Affect	0.35	0.18	2.00*
Negative Affect	−0.13	0.22	−0.60
PS * PA	0.01	0.01	0.83
PS * NA	−0.03	0.01	−3.50***
	Simple Slope	P-value
Low NA	−0.01	.69
Medium NA	−0.04	.13
High NA	−0.07	.015*

Note: Controlled for Age, Sex, SCD Genotype, and Hydroxyurea; PS = pain severity, PA = positive affect, NA = negative affect.

^*p < .05

^**p < .01

^***p<.001.