Figure 1:
Figure 2:
Adjusted odds ratios for becoming a smoker over a two-and-a-half-year period using different network weighting mechanisms_
| Influences | Smoking at time 2 |
|---|---|
| Individual | |
| Exposure percent | 3.69** |
| Exposure count | 1.20 |
| Perceived use | 2.34** |
| Indirect ties-2 step | 3.56** |
| SE | 0.26* |
| Tie characteristics | |
| Simmelian ties | 4.29** |
| Network density | 2.94** |
| Alter characteristics | |
| Network indicator weights – Indegree centrality | 2.95** |
| Alter attributes-same sex | 3.42** |
| Joint participation-same team | 1.39 |
Summary of example social network influence mechanisms_
| Personal network | Positional | Network level | Interactions | |
|---|---|---|---|---|
| 1) Exposure | 6) Tie strength | 1) Central | 1) Density | 1) Exposure and density |
| 2) Perceived use | 7) Reciprocity | 2) Peripheral | 2) Central-ization | 2) Central actors in centralized networks |
| 3) Thresholds | 8) Simmelian ties | 3) Bridge | 3) Clustering | 3) Bridging actors in clustered networks |
| 4) Indirect ties | 9) Density | |||
| 5) SE | 10) Alter attributes | |||
| 11) Joint participation | ||||
| 12) Network indicator | ||||