Class 1
Marijuana and Alcohol
N=249
n (%) of Class
Class 2
High AOD Risk
N=188
n (%) of Class
Class 3
Polydrug Use
N=283
n (%) of Class
Chi-Square (df)
p-value
Age
2.54 (2)
0.28
18-24
173 (69.5%)
117 (62.2%)
189 (66.8%)
25 and older
76 (30.5%)
71 (37.8%)
94 (33.2%)
Ethnicity
241.21 (2)
<0.0001
Black African
210 (84.3%)
36 (19.2%)
78 (27.6%)
Coloured
39 (15.7%)
152 (80.9%)
205 (72.4%)
Currently homeless
6.14 (2)
0.05
Yes
1 (0.4%)
7 (3.7%)
7 (2.5%)
No
248 (99.6%)
181 (96.3%)
276 (97.5%)
Unemployed
21.50 (2)
<0.0001
Yes
207 (83.1%)
180 (95.7%)
261 (92.2%)
No
42 (16.9%)
8 (4.3%)
22 (7.8%)
Education
5.54 (2)
0.06
11th grade or less
212 (85.1%)
172 (91.5%)
256 (90.5%)
12th grade or more
37 (14.9%)
16 (8.5%)
27 (9.5%)
Biological HIV status (N=674)
28.92 (2)
<0.0001
Negative
159 (68.2%)
155 (88.6%)
221 (83.1%)
Positive
74 (31.8%)
20 (11.4%)
45 (16.9%)
STI symptoms
28.71 (4)
<0.0001
None
141 (56.6%)
62 (33.0%)
147 (51.9%)
One to Two
62 (24.9%)
66 (35.1%)
84 (29.7%)
Three or more
46 (18.5%)
60 (31.9%)
52 (18.4%)
Note: STI: Sexually Transmitted Infection
Table 2: Association cross-tabulation statistics between latent class membership and sociodemographic characteristics of women who use alcohol and other drugs in Cape Town, South Africa.