Table 2.
Zero-inflated Growth Curve Model Estimates for Insertive Condomless anal sex Among Young Gay and Bisexual Men
| Model 1 (N = 599) | Model 2 (N = 527) | |||
|---|---|---|---|---|
|
| ||||
| Intercept | Slope | Intercept | Slope | |
| Poisson Model (log odds of inflated | ||||
|
| ||||
| In a Relationship | - | - | 2.33*** | -0.42** |
| Relationship Fear | - | - | -0.05 | 0.01 |
| Relationship Control | - | - | -0.37* | 0.09* |
| Means | -2.17*** | 0.32*** | -2.49** | 0.12 |
| Variance | 7.13*** | 0.25*** | 5.71*** | 0.21*** |
| COV | -1.06*** | -1.36* | ||
|
| ||||
| Logit Model (log count from Poisson | ||||
|
| ||||
| In a Relationship | - | - | 0.44 | -0.14 |
| Relationship Fear | - | - | 0.21 | -0.04 |
| Relationship Control | - | - | -0.07 | 0.001 |
| Means | - | 0.07 | - | 0.30 |
| Variance | - | - | - | - |
|
| ||||
|
Model Fit Statistics
| ||||
| Number of Free | 7 | 19 | ||
| AIC | 5422.90 | 4678.95 | ||
| BIC | 5453.67 | 4760.03 | ||
| Log-Likelihood | -2704.45 | -2320.48 | ||
Note. Standard errors are calculated by robust estimation. “-“ indicates parameters not in the model or fixed to 0. COV = error variance; AIC = Akaike’s Information Criterion; BIC = Bayesian Information Criterion.
***
p <.001,
**
p <.01,
*
p <.05