Table 2 Network variables of former NFL football player and controls, adjusted.
From: Social network structure and composition in former NFL football players
Controls (n = 269) | Former football players (n = 303) | P-valuec | |
|---|---|---|---|
Median [IQR] | |||
Network structure variablea | |||
Network size | 7.00 [6.00, 10.00] | 8.00 [5.00, 11.00] | 0.499 |
Density | 0.68 [0.50, 0.90] | 0.75 [0.53, 0.96] | 0.208 |
Constraint | 47.22 [40.05, 57.73] | 46.00 [36.68, 59.22] | 0.239 |
Effective size | 3.61 [2.43, 4.88] | 3.50 [2.39, 5.07] | 0.353 |
Max degree | 5.00 [4.00, 7.00] | 5.00 [4.00, 7.00] | 0.456 |
Mean degree | 3.71 [2.67, 5.00] | 4.00 [2.67, 5.00] | 0.282 |
Network composition variableb | |||
Percentage of kin | 42.86 [33.33, 62.50] | 40.00 [22.22, 60.00] | 0.045 |
Diversity of sex | 0.94 [0.83, 0.98] | 0.84 [0.64, 0.96] | 0.001 |
Diversity of race | 0.00 [0.00, 0.26] | 0.00 [0.00, 0.33] | 0.825 |
Percentage of distant ties | 33.33 [16.67, 50.00] | 40.00 [20.00, 60.00] | 0.121 |
Standard deviation of ages | 12.91 [8.96, 15.96] | 11.93 [7.62, 14.83] | 0.791 |
Percentage of non-exercising ties | 33.33 [14.29, 50.00] | 30.00 [10.00, 50.00] | 0.217 |
Percentage of negative ties | 0.00 [0.00, 10.00] | 0.00 [0.00, 0.00] | 0.513 |
Percentage of persons who played organized football | – | 40.00 [25.00, 60.00] | – |
Percentage of persons who played in the NFL with participant | – | 0.00 [0.00, 0.00] | – |
