Table 2.
Estimates of effects for externalizing behavior, self-control, and the friendship networks for two schools, and two cohorts for Time 1–Time 3
| Variable | School 1 | School 2 | ||
|---|---|---|---|---|
| Cohort 1 | Cohort 2 | Cohort 1 | Cohort 2 | |
| Network dynamics | ||||
| Outdegree (density) | ||||
| Period 1 | −2.23* (0.24) | −2.46* (0.18) | −2.51* (0.33) | 0.57 (1.22) |
| Period 2 | 0.06 (0.19) | 0.25 (0.20) | 0.09 (0.26) | −0.44 (0.49) |
| Reciprocity | 2.86* (0.08) | 2.38* (0.08) | 2.36* (0.18) | 2.65* (0.21) |
| Transitive triplets | 0.55* (0.02) | 0.48* (0.02) | 0.48* (0.04) | 0.58* (0.06) |
| Transitive reciprocated triplets | −0.51* (0.03) | −0.37* (0.02) | −0.44* (0.06) | −0.37* (0.07) |
| 3-cycles | −0.05* (0.02) | −0.10* (0.02) | −0.03 (0.04) | −0.06 (0.07) |
| Indegree—popularity (sqrt) | ||||
| Period 1 | 0.08* (0.03) | −0.08* (0.03) | 0.20* (0.04) | −0.01 (0.07) |
| Period 2 | −0.10 (0.06) | −0.21* (0.07) | −0.05 (0.08) | −0.22 (0.15) |
| Indegree—activity (sqrt) | −1.04* (0.10) | −0.73* (0.08) | −1.13* (0.25) | −1.81* (0.55) |
| Outdegree—activity (sqrt) | 0.14* (0.02) | 0.15* (0.03) | 0.29* (0.06) | −0.01 (0.08) |
| Sex alter | −0.18* (0.04) | −0.06* (0.04) | 0.10 (0.07) | −0.21* (0.08) |
| Sex ego | 0.02 (0.05) | 0.05 (0.05) | −0.15 (0.09) | −0.61* (0.21) |
| Sex similarity | 0.68* (0.04) | 0.84* (0.05) | 0.66* (0.07) | 0.58* (0.10) |
| Class similarity | 0.42* (0.04) | 0.34* (0.04) | – | – |
| Location similarity | 0.70* (0.05) | 0.82* (0.05) | 0.92* (0.07) | 0.54* (0.10) |
| Self-control alter | 0.02 (0.03) | −0.01 (0.03) | −0.09* (0.04) | −0.08 (0.05) |
| Self-control ego | −0.10* (0.03) | 0.01 (0.04) | −0.05 (0.06) | 0.05 (0.08) |
| Self-control similarity | 0.32* (0.11) | 0.09 (0.13) | 0.93* (0.20) | −0.37 (0.28) |
| Externalizing behavior alter | 0.04 (0.04) | 0.19* (0.04) | 0.05 (0.09) | −0.02 (0.12) |
| Externalizing behavior ego | 0.09 (0.05) | 0.30* (0.04) | 0.11 (0.10) | 0.67* (0.23) |
| Externalizing behavior similarity | 0.45* (0.19) | 0.99* (0.13) | 0.86* (0.37) | −0.10 (0.48) |
| Self-control ego × externalizing behavior similarity | 0.04 (0.18) | −0.34 (0.18) | 0.31 (0.36) | −0.43 (0.40) |
| Self-control alter × externalizing behavior similarity | 0.01 (0.17) | 0.15 (0.18) | 0.20 (0.34) | −0.72 (0.39) |
| Behavior dynamics | ||||
| Externalizing behavior change period 1 | 1.33* (0.23) | 1.48* (0.22) | 1.41* (0.29) | 1.65* (0.43) |
| Externalizing behavior change period 2 | 1.56* (0.23) | 1.89* (0.31) | 1.58* (0.35) | 1.15* (0.29) |
| Externalizing behavior change linear shape | −1.26* (0.11) | −1.22* (0.12) | −1.44* (0.20) | −1.17* (0.20) |
| Externalizing behavior change quadratic shape | 0.25* (0.08) | 0.13 (0.09) | 0.33* (0.14) | 0.20 (0.15) |
| Externalizing behavior influence | 1.15* (0.33) | 1.17* (0.27) | 0.93 (0.60) | 1.24* (0.57) |
| Effect from self-control | −0.16 (0.16) | −0.61* (0.20) | −0.47* (0.23) | −0.42 (0.26) |
| Self-control × externalizing behavior influence | −1.20 (0.93) | 0.49 (0.61) | 1.12 (1.16) | 0.50 (1.01) |
* p < .05