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Table 3 Cox proportional hazards models with AICc stepwise model ranking for both 4 and 6 days after tagging

From: Under pressure: comparing in situ and boat tagging methods using time-to-event analyses

Days after tagging Hazards model AICc ΔAICc χ2 df p
4 Method + tagging time 131.19 0.00 11.11 2 0.004
Method 131.47 0.28 8.98 1 0.003
Method + tagging time + surgery count 131.72 1.53 11.92 3 0.008
Method + tagging time + fish size + surgery count 134.83 3.64 11.12 3 0.010
Null 137.52 6.33    
6 Method 166.68 0.00 9.78 1 0.002
Method + tagging time 167.58 0.90 10.82 2 0.004
Method + tagging time + fish size 169.68 3.00 10.85 3 0.010
Method + tagging time + fish size + surgery count 171.83 5.15 10.87 4 0.030
Null 173.38 6.70    
  1. All models include probability of presence as the dependent variable and list independent variables included in each individual model. All fish were included in these models (n = 105). p-values are from the log-rank test