Table 2.

Simple and multiple linear regressions predicting Demand Intensity based on opioid status, and sociodemographic and smoking characteristics that differed based on opioid status.

	Simple Linear Regression					Multiple Linear Regression
	β	SE	F	df	p	β	SE	F	df	p
Opioid Status			9.90	1, 169	.002			6.93	1, 156	.016
Yes	6.265	1.991				5.025	2.063
No	REF					REF
Education			0.20	2, 168	.822			2.55	2, 156	.081
< 12 years	−1.500	2.492				−5.723	2.551
12 years	−0.915	2.338				−1.920	2.318
> 12 years	REF					REF
Work for Pay Outside the Home			8.69	1, 168	.004			2.40	1, 156	.124
Yes	−5.808	1.970				−3.155	2.038
No	REF					REF
Has Private Health Insurance			3.07	1, 168	.082			.02	1, 156	.879
Yes	−4.497	2.567				0.433	2.831
No	REF					REF
Income	−0.054	0.037	2.14	1, 163	.146	−0.036	0.042	0.75	1, 156	.387
FTND	2.354	0.419	31.51	1, 169	<.001	2.138	0.439	23.76	1, 156	<.001