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Table 4 Capture-recapture models estimating missing crashes

From: Completeness and accuracy of crash outcome data in a cohort of cyclists: a validation study

Model Variables included Estimate SE AIC AIC weight Weighted estimate Unconditional SE
All crashes       
1 ACC NMDS CAS 5.23 0.22 84.87 0.00000003 0.00000014 0.00000001
2 ACC NMDS CAS ACC*NMDS 5.75 0.37 84.48 0.00000003 0.00000019 0.00000001
3 ACC NMDS CAS ACC*CAS 5.06 0.27 85.32 0.00000002 0.00000011 0.00000001
4 ACC NMDS CAS NMDS*CAS 5.33 0.22 54.87 0.09009773 0.48066236 0.03346642
5 ACC NMDS CAS ACC*NMDS NMDS*CAS 6.32 0.41 50.37 0.85614943 5.40872405 0.07995839
6 ACC NMDS CAS ACC*CAS NMDS*CAS 5.19 0.27 55.90 0.05375276 0.27913806 0.02753761
Model-averaged estimate      6.17  
Unconditional SE       0.14
On-road crashes       
1 ACC NMDS CAS 4.61 0.24 75.99 0.0000010926 0.0000050416 0.0000005142
2 ACC NMDS CAS ACC*NMDS 5.15 0.37 75.19 0.0000016262 0.0000083754 0.0000002457
3 ACC NMDS CAS ACC*CAS 4.38 0.32 76.40 0.0000008888 0.0000038942 0.0000006566
4 ACC NMDS CAS NMDS*CAS 4.74 0.25 53.42 0.0870396250 0.4128898692 0.0311739533
5 ACC NMDS CAS ACC*NMDS NMDS*CAS 5.69 0.41 48.83 0.8633010530 4.9139959238 0.0796703971
6 ACC NMDS CAS ACC*CAS NMDS*CAS 4.56 0.33 54.54 0.0496557143 0.2264598505 0.0271116407
Model-averaged estimate      5.55  
Unconditional SE       0.14
Collisions with a motor vehicle       
1 ACC NMDS CAS 2.45 0.36 60.47 0.0002105079 0.000514923 0.0000677993
2 ACC NMDS CAS ACC*NMDS 2.75 0.43 61.24 0.0001433835 0.000393918 0.0000255905
3 ACC NMDS CAS ACC*CAS 2.40 0.62 62.46 0.0000777519 0.000186721 0.0000374729
4 ACC NMDS CAS NMDS*CAS 2.78 0.37 45.81 0.3216029517 0.895471259 0.0453152851
5 ACC NMDS CAS ACC*NMDS NMDS*CAS 3.33 0.47 44.94 0.4970883194 1.656397698 0.0609100608
6 ACC NMDS CAS ACC*CAS NMDS*CAS 3.37 0.70 46.96 0.1808770856 0.609953708 0.0483519920
Model-averaged estimate      3.18  
Unconditional SE       0.15
  1. SE, Standard Error.