Table 1: Selected baseline characteristics of cocaine users and noncocaine users in last 6 months at baseline in the Women’s Interagency HIV Study*.

CharacteristicN (%) -value
Used crack/cocaine1 in last 6 months
YesNo

Total726 (%)2761 (%)

Age (yr)<.0001**
 <30116 (16)914 (33)
 30–34160 (22)680 (25)
 35–39207 (29)607 (22)
 40–44171 (24)339 (12)
 >=4572 (10)221 (8)

Race<.0001
 White95 (13)433 (16)
 Hispanic121 (17)829 (30)
 African American494 (68)1397 (51)
 Others16 (2)102 (4)

HIV status and CD4 T-cell count0.0559**
 HIV-negative218 (31)694 (26)
 HIV-positive
  CD4>500150 (21)664 (25)
  200≤CD4≤500212 (30)859 (32)
  CD4<200121 (17)490 (18)

Number of male sex partners in past 6 months<.0001**
 0155 (22)772 (28)
 1 (married)80 (11)506 (18)
 1 (single)223 (31)1049 (38)
 297 (14)266 (10)
 >2160 (22)159 (6)

Smoking status<.0001**
 None60 (8)1106 (40)
 Former smoker37 (5)483 (18)
 Current smoker <10 pack-years282 (39)706 (26)
 Current smoker >=10 pack-years344 (48)456 (17)

Frequency of crack/cocaine use
 Less than once per month131 (18)NA
 Once per month—once per week224 (31)NA
 2–6 times per week185 (25)NA
 Once per day or more180 (25)NA

*Limited to those contributing data to the present analysis. Some data were missing at baseline for selected patients. Percentages do not always add up to 100% due to rounding.**Two-sided Cochran-Mantel-Haenszel test. All other P values were determined with the two-sided Pearson’s chi-square test.