. Author manuscript; available in PMC: 2015 May 1.

Published in final edited form as: Radiat Res. 2014 Apr 23;181(5):471–484. doi: 10.1667/RR13597.1

TABLE 5.

Probability of at Least One Boarding by Rank and Rating using Data from Seven Ships^a

Rank or rating	Overall probability of boarding
CAPT (Captain)	0.67
LCDR (Lieutenant commander)	0.43
LT (Lieutenant)	0.08
LT(jg) (Lieutenant junior grade)	0.26
ENS (Ensign)	0.26
BM (Boatswain's mate)	0.29
EM (Electrician's mate)	0.32
F (Fireman)	0.08
GM (Gunner's mate)	0.29
MM (Machinist's mate)	0.30
RM (Radioman)	0.57
S (Seaman)	0.06
SF (Shipfitter)	0.53
SM (Signalman)	0.06
WT (Water tender)	0.26
CM (Carpenter's mate)	0.75
PhM (Pharmacist's mate)	1.00
FC (Firecontrolman)	0.25
QM (Quartermaster)	0.25

Data were taken from the ships logs in which details of boardings provided information about specific individuals who boarded at least one time, the number of persons assigned to each ship of a particular rank and rate.