Table 4.

Hierarchical Linear Regressions Predicting Acceptability of a) Behavioral and b) Medication Treatment for Insomnia.

a) Behavioral	F	R ²	Δ R²	β
Block 1	23.94^***	.27	.27
ISI Total Score				.15^*
Pain Severity				.21^**
SSE				.35^***
Block 2	28.32^***	.37	.10
ISI Total Score				.10
Pain Severity				−.06
SSE				.26^***
PBAS Total Score				.46^***
b) Medication	F	R ²	Δ R²	β
Block 1	37.49^***	.36	.36
ISI Total Score				.15^*
Pain Severity				.29^***
SSE				.38^***
Block 2	45.20^***	.48	.12
ISI Total Score				−.01
Pain Severity				.90
SSE				.29^***
PBAS Score				.50^***

Note.

^***

p≤.001,

^**

p≤.01,

p<.05.

ISI = Insomnia Severity Index, SSE = Sleep. Self-Efficacy; PBAS = Pain-Related Beliefs and Attitudes about Sleep.