Table 4.
Separable temporal exponential random graph models of attribute-based social integration and segregation in a dynamic Facebook friendship network among Black sexual and gender minorities, without (Model 1) and with (Model 2) treatment arm interaction effects (N=340).
| Model 1 | Model 2 | |||||||
|---|---|---|---|---|---|---|---|---|
| Tie Formation | Tie Persistence | Tie Formation | Tie Persistence | |||||
| Effect | Est | SE | Est | SE | Est | SE | Est | SE |
| Structural effects | ||||||||
| Edges | −4.49*** | 0.22 | 0.32 | 0.43 | −5.40*** | 0.29 | 0.69 | 0.57 |
| Gwesp (α = .5) | 0.36*** | 0.01 | 0.11*** | 0.01 | 0.36*** | 0.01 | 0.11*** | 0.01 |
| Gwdsp (α = .5) | −0.02*** | 0.00 | −0.01 | 0.01 | −0.02*** | 0.00 | −0.01 | 0.01 |
| Gwdegree (α = .1) | −1.80*** | 0.46 | 0.13 | 0.42 | −1.80*** | 0.47 | 0.18 | 0.42 |
| Integration Effects | ||||||||
| Heterosexual, activity | −0.05 | 0.08 | 0.24 | 0.22 | −0.06 | 0.10 | 0.36 | 0.27 |
| Bisexual, activity | −0.21*** | 0.04 | −0.13 | 0.08 | −0.16** | 0.05 | 0.19+ | 0.12 |
| Other sexuality, activity | −0.12* | 0.06 | 0.26+ | 0.14 | −0.53*** | 0.11 | 0.24 | 0.20 |
| Transgender, activity | 0.12 | 0.10 | −0.29+ | 0.17 | 0.11 | 0.11 | −0.21 | 0.18 |
| Age, activity | −0.01** | 0.00 | 0.02** | 0.01 | 0.01+ | 0.00 | 0.01 | 0.01 |
| HIV positive, activity | 0.07** | 0.02 | −0.15** | 0.06 | −0.02 | 0.04 | −0.33*** | 0.09 |
| Segregation Effects | ||||||||
| Sexual identity, homophily | 0.33* | 0.14 | 0.00 | 0.24 | 0.34* | 0.14 | −0.02 | 0.24 |
| Transgender identity, homophily | 0.19 | 0.12 | −0.19 | 0.19 | 0.20+ | 0.12 | −0.30 | 0.19 |
| Age, homophily | −0.03*** | 0.01 | −0.05*** | 0.01 | −0.03*** | 0.01 | −0.05*** | 0.01 |
| HIV positive, homophily | 0.08+ | 0.04 | −0.06 | 0.08 | 0.09+ | 0.04 | −0.07 | 0.08 |
| Covariate Control Effects | ||||||||
| Friendship network size - medium, activity | −0.20*** | 0.03 | −0.07 | 0.08 | −0.20*** | 0.03 | −0.04 | 0.08 |
| Friendship network size - large, activity | −0.34*** | 0.04 | −0.11 | 0.08 | −0.35*** | 0.04 | −0.09 | 0.08 |
| Treatment Effects | ||||||||
| Treatment, activity | −0.09*** | 0.03 | 0.16** | 0.06 | 1.31*** | 0.21 | −0.24 | 0.45 |
| Heterosexual * Treatment, activity | −0.64*** | 0.13 | −0.11 | 0.27 | ||||
| Bisexual * Treatment, activity | −0.81** | 0.25 | −0.83 | 0.51 | ||||
| Other sexuality * Treatment, activity | −0.76*** | 0.14 | −0.86** | 0.30 | ||||
| Transgender * Treatment, activity | 0.03 | 0.10 | −0.58** | 0.21 | ||||
| Age * Treatment, activity | −0.03*** | 0.01 | 0.02 | 0.01 | ||||
| HIV positive * Treatment, activity | 0.18*** | 0.05 | 0.40** | 0.12 | ||||
| N | 340 | 340 | ||||||
| AIC | 18,582 | 18,515 | ||||||
| BIC | 18,887 | 18,927 | ||||||
p < .001;
p < .01;
p < .05;
p < .10;
Convergence t-ratios for all parameters were less than the 0.10 threshold.