Skip to main content

Table 5 Cox proportional hazards models examining probability of presence for fish tagged on the boat (n = 35) at 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 Handling time 66.00 0.00 4.17 1 0.04
Handling time + family 67.08 1.08 5.76 2 0.06
Tagging time 68.13 2.13 2.37 1 0.10
Null 68.26 2.26    
Handling time + tagging time + family 68.60 2.60 6.96 3 0.07
Tagging time + surgery count 69.12 3.12 3.79 2 0.20
Tagging time + surgery count + family 70.64 4.64 5.06 3 0.20
Handling time + tagging time + month + family 70.67 4.67 7.30 4 0.10
Tagging time + surgery count + month + family 72.31 6.31 5.84 4 0.20
Handling time + tagging time + surgery count + month + family 72.91 6.91 8.34 5 0.10
Depth + tagging time + surgery count + month + family 74.85 8.85 5.86 5 0.30
Depth + tagging time + surgery count + month + fish size + family 77.79 11.79 5.90 6 0.40
6 Handling time + family 77.51 0.00 8.28 2 0.02
Handling time 77.55 0.04 5.43 1 0.02
Handling time + month + family 78.13 0.62 10.32 3 0.02
Month 79.66 2.15 3.22 1 0.07
Handling time + tagging time + month + family 79.75 2.24 11.22 4 0.02
Family + month 79.85 2.34 5.43 2 0.07
Tagging time + month + family 80.73 3.22 6.96 3 0.07
Null 81.06 3.55    
Tagging time + fish size + month + family 81.61 4.10 9.98 4 0.06
Handling time + tagging time + surgery count + month + family 82.28 4.77 11.73 5 0.04
Tagging time + surgery count + month + family 84.22 6.71 9.33 5 0.10
Depth + tagging time + surgery count + month + family 87.07 9.56 9.36 6 0.20
  1. Models are ranked by AICc values. All models include probability of presence as the dependent variable and list independent variables included in each individual model. p-values are from the log-rank test