From: Tracking social contact networks with online respondent-driven detection: who recruits whom?
 | Variables (type of correlation coefficient) | 1 link stepa | p value | 2 link stepsa | p value | 3-6 link steps (lumped together)a | p value |
---|---|---|---|---|---|---|---|
Type of contact network | Age (r) | 0.36 [0.28–0.44] | <0.001 (df: 486) | 0.13 [−0.03−0.28] | 0.109 (df: 156) | 0.23 [−0.01−0.43] | 0.058 (df: 70) |
 | Sex (r φ ) | 0.07 [−0.02–0.16] | 0.107 (df: 486) | 0.25 [0.09–0.39] | 0.002 (df: 156) | 0.17 [−0.07−0.38] | 0.167 (df: 70) |
 | Education (r rank ) | 0.31 [0.23–0.40] | <0.001 (n: 488) | 0.08 [−0.08–0.24] | 0.293 (n: 158) | −0.01 [−0.25−0.21] | 0.951 (n: 72) |
 | Household size (r) | 0.22 [0.13–0.30] | <0.001 (df: 486) | 0.18 [0.02–0.33] | 0.025 (df: 156) | 0.03 [−0.20−0.26] | 0.785 (df: 70) |
 | Degree LOG (r) | 0.07 [−0.03–0.16] | 0.153 (df: 468) | −0.02 [−0.18–0.14] | 0.808 (df: 149) | −0.03 [−0.26−0.21] | 0.838 (df: 67) |
Clustering of vaccination and disease | Vaccinated (r φ ) | 0.23 [0.14–0.32] | <0.001 (df: 453) | 0.02 [−0.14–0.18] | 0.817 (df: 143) | 0.07 [−0.17−0.30] | 0.567 (df: 67) |
 | Belief vaccination protects (r rank ) | 0.26 [0.18–0.35] | <0.001 (n: 455) | 0.02 [−0.14–0.18] | 0.812 (n: 145) | 0.11 [−0.13−0.32] | 0.387 (n: 69) |
 | One or more symptoms (r φ ) | 0.11 [0.02–0.20] | 0.018 (df: 453) | 0.11 [−0.05–0.27] | 0.179 (df: 143) | 0.15 [−0.09−0.37] | 0.231 (df: 67) |
 | Self-reported common cold (r φ ) | 0.04 [−0.06–0.13] | 0.455 (df: 453) | −0.08 [−0.24–0.08] | 0.333 (df: 143) | −0.11 [−0.33−0.14] | 0.389 (df: 67) |
 | Self-reported influenza (r φ ) | 0.26 [0.17–0.34] | <0.001 (df: 453) | 0.03 [−0.13–0.20] | 0.691 (df: 143) | −0.04 [−0.27−0.20] | 0.764 (df: 67) |