. 2013 Sep 9;29(1):110–120. doi: 10.1093/arclin/act071

Table 2.

Bivariate correlations for demographic, disease, apathy, and cognitive reserve variables

Variable	1	2	3	4	5	6	7	8	9	10
1. Age
2. Gender	−.06
3. MMSE score	−.39^a	.07
4. Apathy	−.07	.08	−.26^a
5. BDI-II, cog-affective subscore	−.16^b	.14^b	−.05	.64^a
6. Disease duration	.13^b	.08	.12	.05	.04
7. log₁₀ highest plasma RNA level	−.02	.03	−.03	.23^a	.11	−.14^b
8. Nadir CD4 cell count	−.08	.00	−.03	−.06	−.02	−.11	−.14^b
9. WTAR score	.01	−.08	.32^a	−.21^a	−.13^b	.08	.07	.13^b
10. Years of education	−.07	.00	.23^a	−.23^a	−.13^b	−.01	−.14^b	.16^b	.29^a
11. Cognitive reserve composite score	.00	−.05	.32^a	−.26^a	−.16^b	.04	−.05	.17^a	.80^a	.80^a

Notes: Gender: 0 = men, 1 = women. WTAR = Wechsler Test of Adult Reading; MMSE = Mini-Mental State Examination; BDI-II = Beck Depression Inventory-II.

^aCorrelation significant at the .01 level (two-tailed).

^bCorrelation significant at the .05 level (two-tailed).