Table 2.

Descriptive statistics for the higher and lower risk groups identified within tracts with HIV prevalence ≥ 1 percent

size	Higher Risk Areas (N=12)	Lower Risk Tracts (N=8)	Effect
Surveillance Data	Mean (S.D.)	Mean (S.D.)	Cohen’s d
HIV prevalence (per 100)	1.337 (0.2439)	1.292 (0.3365)	0.15
Monitored CVL	261.8 (109.0)	67.8 (37.0)	2.39
Percent out of care	42.6 (4.2)	26.8 (9.5)	2.02
Percent never in care	16.9 (5.2)	5.8 (3.2)	2.58
Per capita income (US$)	23,633 (12,222)	35,040 (24,174)	0.60
Percept below poverty level	29.7 (14.1)	28.9 (19.3)	0.05
Percent Black	88.0 (16.9)	68.3 (34.4)	0.72
Percent with education of   B.A. or higher	21.9 (15.9)	35.7 (29.2)	0.59
Population	2,478 (642)	2,679 (993)	0.24

Note: Cohen’s d effect sizes are considered large at .8, medium at .5, and small at .2 (Cohen, 1992).