Table 3.
Association between latent class membership and sex risk behavior of women who use alcohol and other drugs in Cape Town, South Africa.
| Sex risk variable | Marijuana and Alcohol Class 1 N=249 n (%) of Class |
High AOD Risk Class 2 N=188 n (%) of Class |
Polydrug Use Class 3 N=283 n (%) of Class |
Chi-square (df) | p-value |
|---|---|---|---|---|---|
| Past month unprotected sex with main sex partner (N=688) | 28.97 (2) | <0.0001 | |||
| Yes | 155 (62.5%) | 142 (80.7%) | 215 (81.4%) | ||
| No | 93 (37.5%) | 34 (19.3%) | 49 (18.6%) | ||
| Past month unprotected sex with other partners (N=159) | 4.67 (2) | 0.1 | |||
| Yes | 9 (25.0%) | 16 (25.4%) | 25 (41.7%) | ||
| No | 27 (75.0%) | 47 (74.6%) | 35 (58.3%) | ||
| Unprotected last sex | 32.45 (2) | <0.0001 | |||
| Yes | 140 (56.2%) | 147 (78.2%) | 214 (75.6%) | ||
| No | 109 (43.8%) | 41 (21.8%) | 69 (24.4%) | ||
| Experience at last sex | 5.50 (2) | 0.06 | |||
| Not willing | 2 (0.8%) | 8 (4.3%) | 9 (3.2%) | ||
| Willing | 247 (99.2%) | 180 (95.7%) | 274 (96.8%) | ||
| AOD-impaired last sex | 53.87 (2) | <0.0001 | |||
| Yes | 87 (34.9%) | 130 (69.2%) | 161 (56.9%) | ||
| No | 162 (65.1%) | 58 (30.9%) | 122 (43.1%) | ||
| Own AOD use leads to unprotected sex | 19.05 (2) | <0.0001 | |||
| Yes | 40 (16.1%) | 64 (34.0%) | 68 (24.0%) | ||
| No | 209 (83.9%) | 124 (66.0%) | 215 (76.0%) | ||
| Main sex partner’s AOD use leads to unprotected sex (N=688) | 24.59 (2) | <0.0001 | |||
| Yes | 31 (12.5%) | 57 (32.4%) | 62 (23.5%) | ||
| No | 217 (87.5%) | 119 (67.6%) | 202 (76.5%) |
Note: AOD: Alcohol and Other Drug; DF= Degrees of Freedom