| District 1 | District 1 | District 2 | District 2 | District 3 | District 3 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Rings 1 and 2 | Rings 1, 2, and 3 | Rings 1 and 2 | Rings 1, 2, and 3 | Rings 1 and 2 | Rings 1, 2, and 3 | |||||||
N = 16 | N = 49 | N = 19 | N = 75 | N = 20 | N = 69 | |||||||
T0 | T1 | T0 | T1 | T0 | T1 | T0 | T1 | T0 | T1 | T0 | T1 | |
Number of contacts | ||||||||||||
 Avg. degree | 5.13 | 7.56 | 5.79 | 7.00 | 4.00 | 5.53 | 4.25 | 4.31 | 4.81 | 6.20 | 4.68 | 5.26 |
 Density (%) | 34 | 51 | 12 | 15 | 22 | 31 | 6 | 6 | 19 | 33 | 7 | 8 |
 E-I index |  |  |  |  |  |  |  |  |  | |||
  Ring 1 |  |  |  |  |  |  |  |  |  | |||
   Internal avg. degree | 4.8 | 7.5 |  | 3.6 | 5.1 |  | 2.0 | 3.8 |  | |||
   Internal contacts | 26 | 38 |  | 42 | 56 |  | 8 | 14 |  | |||
   External contacts | 32 | 44 |  | 28 | 43 |  | 38 | 51 |  | |||
  Ring 2 |  |  | N.A. |  |  | N.A. |  |  | N.A. | |||
   External avg. degree | 4.0 | 5.5 |  | 2.4 | 3.7 |  | 2.3 | 3.2 |  | |||
   Internal contacts | 20 | 22 |  | 24 | 24 |  | 102 | 98 |  | |||
   External contacts | 32 | 44 |  | 28 | 43 |  | 38 | 51 |  | |||
 E-I index |  |  |  |  |  |  |  |  |  | |||
 E-I index ring 1 | 0.10 | 0.07 |  | −0.20 | −0.13 |  | 0.65 | 0.57 |  | |||
 E-I index ring 2 | 0.23 | 0.33 |  | 0.08 | 0.28 |  | −0.46 | −0.32 |  | |||
Collaboration | ||||||||||||
 Reciprocity (%) | 49 | 64 | N.A. | 25 | 27 | N.A. | 40 | 53 | N.A. | |||
Diversity of contacts | ||||||||||||
 Mean | 0.32 | 0.42 |  | 0.36 | 0.42 |  | 0.26 | 0.32 |  | |||
 (SD) | (0.17) | (0.14) | N.A. | (0.15) | (0.19) | N.A. | (0.17) | (0.14) | N.A. | |||
 Paired T test |  |  |  |  |  |  |  |  |  | |||
 t p value | −4.39 | < 0.001 |  | 2.05 | 0.055 |  | 0.91 | 0.371 |  | |||
Value of contacts | ||||||||||||
 Mean |  | 7.3 | 7.7 |  | 7.6 | 7.8 |  | 7.5 | 7.5 | |||
 (SD) | N.A. | (0.67) | (0.47) | N.A. | (0.61) | (0.65) | N.A. | (0.64) | (0.58) | |||
 Paired T test |  |  |  |  |  |  |  |  |  | |||
 t p value |  | −1.28 | 0.209 |  | −2.35 | 0.022 |  | −1.12 | 0.267 |