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Table 1 Vessel characteristics variables and description.

From: A holistic view of maritime navigation accidents and risk indicators: examining IMO reports from 2011 to 2021

Independent variables

Description of vessels characteristics

No. of vessels involved in accidents

Source

Flag state

White (e.g., Denmark, Marshall Islands, Bermuda, Singapore, Japan, Portugal, Panama, US)

Grey (e.g., India, Switzerland, Ukraine, Philippines, Lebanon, Poland)

Black (e.g.Cameroon, Albania, Belize, Moldova)

Other

441

22

19

22

Paris MoU Vessel Flag Classification (2021–2022) based on inspection of the vessel’s risk profile, international compliance with safety and pollution prevention measures

Age

Old (A_O): > 20 years

Middle (A_M): > 10- <  = 20 years

Young (A_Y): <  = 10 years

Other (A_Oth)

122

147

232

3

Fan et al. (2018)

Vessel type

Bulker (VT_B)

Container (VT_C)

General cargo ship (VT_GCS)

Tanker (VT_T)

Passenger (VT_P)

Offshore (VT_O)

Other (VT_Oth)

157

71

116

75

46

3

36

Size

Large (S_B) >  = 20KGT

Medium (S_M) > 2KGT < 20KGT

Small (S_S) <  = 2KGT

264

182

58

Dependent variable

  

Marine casualty

Number of deaths

502

 
  1. *Total number of injuries = 744. **Total number of IMO accident reports = 504 KGT = thousand gross tonnage