Table 3 Two-level random-intercept linear regression of duration of epidemics
From: A model for the co-evolution of dynamic social networks and infectious disease dynamics
| Empty |
CIDM effects |
Network effects |
Interaction effects | |
|---|---|---|---|---|
| Fixed effects (observed effects) | ||||
| Intercept | 20.66 (0.20) | 20.66 (0.17) | 20.66 (0.16) | 21.23 (0.19) |
| Main effects | ||||
| I. CIDM parameters | ||||
| Benefit distance 2 (\(\beta\)) | 0.36 (0.06) | 0.36 (0.05) | 0.36 (0.04) | |
| Cost increase for infected ties (\(\mu\)) | − 3.40 (0.66) | − 3.42 (0.63) | − 3.42 (0.44) | |
| Disease severity (\(\frac{\sigma }{50}\)) | − 1.82 (0.39) | − 1.81 (0.38) | − 1.81 (0.26) | |
| Risk perception (r) | − 2.80 (0.41) | − 2.81 (0.39) | − 2.81 (0.27) | |
| Network size (\(\frac{N}{50}\)) | 2.05 (0.59) | − 3.20 (0.70) | − 0.11 (1.15) | |
| II. Network properties (start of epidemics) | ||||
| Density (\({\text{den}}_{\text{start}}\)) | − 26.87 (1.96) | − 19.93 (3.20) | ||
| Degree of patient-0 (\({\text{deg}}^{0}_{\text{start}}\)) | 3.30 (0.62) | 3.31 (0.62) | ||
| Interaction effects | ||||
| Benefit distance 2 (\(\beta\)) \(\times\) cost increase for infected ties (\(\mu\)) | 1.05 (0.15) | |||
| Benefit distance 2 (\(\beta\)) \(\times\) network size (\(\frac{N}{50}\)) | − 1.06 (0.13) | |||
| Cost increase for infected ties (\(\mu\)) \(\times\) density (\({\text{den}}_{\text{start}}\)) | − 38.17 (5.00) | |||
| Disease severity (\(\frac{\sigma }{50}\)) \(\times\) risk perception (r) | − 4.16 (0.64) | |||
| Disease severity (\(\frac{\sigma }{50}\)) \(\times\) network size (\(\frac{N}{50}\)) | 6.48 (0.93) | |||
| Risk perception (r) \(\times\) network size (\(\frac{N}{50}\)) | 8.20 (0.96) | |||
| Network size (\(\frac{N}{50}\)) \(\times\) network density (\({\text{den}}_{\text{start}}\)) | 32.97 (9.35) | |||
| Random effects (unobserved effects) | ||||
| \(s^{2}\) | 13.66 | 9.58 | 8.63 | 3.96 |
| Log likelihood (\(\ell\)) | − 113,544.27 | − 113,481.97 | − 113,388.50 | − 113,274.74 |
| Intraclass correlation (\(\rho\)) | 0.31 | 0.24 | 0.22 | 0.11 |
| Observations | 36000 | 36000 | 36000 | 36000 |
| Groups: parameter combinations | 360 | 360 | 360 | 360 |