Table 2.
Network characteristics of slow and fast arrivers, unadjusted
| Variable | Slow arrivers (n = 67) | Fast arrivers (n = 108) | P valuea |
|---|---|---|---|
| Network structure characteristicsb (Median [IQR]) | |||
| Network size | 5.00 [4.00–8.00] | 8.00 [6.00–11.00] | <0.0001 |
| Constraint | 61.11 [39.55–66.94] | 40.31 [35.85–54.09] | <0.0001 |
| Effective size | 2.50 [1.86–3.61] | 3.17 [2.21–5.00] | 0.0021 |
| Mean degree | 3.20 [2.00–5.00] | 5.00 [3.11–6.92] | 0.0003 |
| Network composition characteristicsc (Median [IQR]) | |||
| Percentage kin | 62.50 [33.33–100] | 57.14 [33.33–6.39] | 0.3285 |
| Standard deviation of ages | 12.01 [6.18–17.28] | 13.43 [10.48–16.82] | 0.0407 |
| Diversity of sex | 0.89 [0.64–0.99] | 0.89 [0.75–0.96] | 0.7611 |
| Diversity of race | 0.00 [0.00–0.00] | 0.00 [0.00–0.00] | 0.6389 |
| Percentage nonexercisers | 62.50 [31.67–80.00] | 44.44 [20.00–66.67] | 0.0125 |
a P value calculated from Wilcoxon rank sum test, and not adjusted for other factors
b Network structure is a quantitative description of the arrangement of social ties in each patient’s personal network. See definitions of each term in Methods
c Network composition is the range of characteristics of people around the patient. See definitions of each term in Methods