Table 5.
Unprotected Sex | Alcohol Use Before Last Sex | |||||||
---|---|---|---|---|---|---|---|---|
Low Stable | Low Increasing | High Decreasing | High Increasing | Low Stable | Low Increasing | High Decreasing | High Increasing | |
Parameter | ||||||||
α 0 | 2.20 (.26)*** | 2.31 (.37)*** | 3.80 (.24)*** | 4.41 (.21)*** | 2.20 (.29)*** | 2.37 (.35)*** | 3.85 (.25)*** | 4.41 (.25)*** |
α 1 | −.02 (.11) | .68 (.15)*** | −.14 (.12) | .14 (.08) | −.01 (.11) | .66 (.13)*** | −.17 (.10)* | .15 (.08)+ |
ζ 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
ζ 1 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
τ| | −1.66 | −1.31 | −.88 | −.14 | .27 | .52 | .11 | .85 |
Shared Coefficients | ||||||||
γ0 | Sex | .08 (.09) | .05 (.10) | ||||||
γ0 | SES | .00 (.00) | .00 (.00) | ||||||
γ0 | Black | .04 (.16) | .08 (.17) | ||||||
γ0 | Mixed | −.26 (.22) | −.20 (.24) | ||||||
γ1 | Sex | .03 (.03) | .02 (.03) | ||||||
γ1 | SES | .00 (.00) | .00 (.00) | ||||||
γ1 | Black | −.15 (.06)** | −.16 (.06)** | ||||||
γ1 | Mixed | −.17 (.10)+ | −.18 (.10) | ||||||
Comparison | Odds Ratio | Odds Ratio | ||||||
L vs LI | 1.42 | 1.29* | ||||||
L vs HD | 2.18+ | 1.17* | ||||||
L vs H | 5.00* | 1.79* | ||||||
LI vs HD | 1.54* | .66* | ||||||
LI vs H | 3.52* | 1.39** | ||||||
HD vs H | 2.29** | 2.10** | ||||||
Number of subjects (% ) | 34 (6.6%) | 60 (11.7%) | 123 (23.9%) | 296 (57.7%) | 33 (6.4%) | 66 (12.9%) | 120 (23.3%) | 294 (57.3%) |
Entropy | .86 | .86 | ||||||
Fit Indicies | ||||||||
Loglikelihood | −2663.14 | −2666.04 | ||||||
Bayesian (BIC) | 5569.65 | 5575.45 |
Drug Use Before Last Sex | Sexually Transmitted Infection | |||||||
---|---|---|---|---|---|---|---|---|
Low Stable | Low Increasing | High Decreasing | High Increasing | Low Stable | Low Increasing | High Decreasing | High Increasing | |
Parameter | ||||||||
α 0 | 2.18 (.33)*** | 2.36 (.37)*** | 3.84 (.28)*** | 4.40 (.27)*** | 2.12 (.30)*** | 2.22 (.42)*** | 3.71 (.30)*** | 4.34 (.24)*** |
α 1 | −.01 (.11) | .66 (.13)*** | −.16 (.11) | .14 (.09) | −.02 (.11) | .69 (.16)** | −.14 (.13)** | .12 (.09) |
ζ 0 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
ζ 1 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
τ| | .16 | 1.24 | .42 | 1.18 | 1.8o | 2.11 | 2.73 | 2.98 |
Shared Coefficients | ||||||||
γ0 | Sex | .05 (.12) | .05 (.10) | ||||||
γ0 | SES | .00 (.00) | .00 (.00) | ||||||
γ0 | Black | .08 (.23)* | .12 (.20) | ||||||
γ0 | Mixed | −.20 (.29) | −.15 (.27) | ||||||
γ1 | Sex | .02 (.04) | .01 (.04) | ||||||
γ1 | SES | .00 (.00) | .00 (.00) | ||||||
γ1 | Black | −.15 (.07)* | −.13 (.07)+ | ||||||
γ1 | Mixed | −.17 (.12) | −.15 (.11) | ||||||
Comparison | Odds Ratio | Odds Ratio | ||||||
L vs LI | 2.96+ | 1.36 | ||||||
L vs HD | 1.31* | 2.54 | ||||||
L vs H | 2.79* | 3.24+ | ||||||
LI vs HD | .44* | 1.87 | ||||||
LI vs H | .94* | 2.38 | ||||||
HD vs H | 2.14** | 1.27+ | ||||||
Number of subjects (% ) | 33 (6.4%) | 65 (12.7%) | 117 (22.8%) | 298 (58.1%) | 59(7.9%) | 77(10.3%) | 173(23.1%) | 441(58.8%) |
Entropy | .85 | .85 | ||||||
Fit Indicies | ||||||||
Loglikelihood | −2636.80 | −2455.41 | ||||||
Bayesian (BIC) | 5516.97 | 5154.20 |
Note. Standard errors in parentheses.
p < .05
p < .01
p < .001.
p < .10.
Only participants who reported at 36 months post baseline assessment having had sexual intercourse in the 12 months prior to the survey were included in the analyses.