. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: Pain. 2011 Oct 1;152(12):2757–2764. doi: 10.1016/j.pain.2011.08.024

Table 2.

Correlations among model variables. Correlations for HIV+ men below diagonal, HIV− men above diagonal.

Variables	Age	Black	White	Education	CD4+ count	Pain	Marijuana	Hard Drug Use	Depressive Symptoms	Inhaled Nitrites
1. Age	—	*−.24^**	.33^***	.19^***	−.02	.11^**	−.19^***	*−.21^**	−.18^***	.03
2. Black	*−.15^**	—	−.81^***	−.31^***	.06	.12^**	.10^**	.50^***	*.21^**	−.15^***
3. White	.40^***	−.73^***	—	.34^***	.03	−.07	−.08^*	*−.45^**	−.20^***	.16^***
4. Education	.24^***	−.23^***	.31^***	—	−.06	−.09^*	−.14^***	−.38^***	−.22^***	.15^***
5. CD4+ count	.04	−.07^*	.09^*	.09^*	—	.00	.11^**	.06	−.01	.06
6. Pain	.01	.04	−.02	−.14^***	−.12^***	—	.04	.18^**	.47^***	−.06
7. Marijuana	−.10^**	.04	−.01	−.08^*	−.02	.11^**	—	.29^***	.09^*	.17^***
8. Hard Drug Use	*−.12^**	*.39^**	*−.30^**	−.27^***	−.12^**	.08^*	.13^***	—	.29^***	−.07^*
9. Depressive Symptoms	−.24^***	.09^*	−.18^***	−.16^***	−.14^***	.53^***	.07	.21^***	—	−.01
10. Inhaled Nitrites	.10^**	−.25^***	.32^***	.14^***	.08^*	−.06	.21^***	−.07	−.05	—

p ≤ .05;

^**

p ≤ .01;

^***

p ≤ .001. Bold-face italicized type indicates a significant difference, p = ≤ .01