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. 1999 Jul 31;319(7205):290–291. doi: 10.1136/bmj.319.7205.290

Table.

Measured and reported status for infection with hepatitis B and hepatitis C virus in opiate addicts receiving methadone maintenance treatment. Values are numbers of subjects

Actual status Perception of viral status
Correct Incorrect Don’t know
Hepatitis C virus (seropositivity 86% (77/90))
Previously tested (n=79):
 Positive 58 8 4
 Negative 8 0 1
Not previously tested (n=11):
 Positive 1 4 2
 Negative 3 0 1
Total group (n=90):
 Positive 59 12 6
 Negative 11 0 2
Hepatitis B virus (seropositivity 55% (46/84))
Previously tested (n=62):
 Positive 25 16 0
 Negative 18 2 1
Not previously tested (n=22):
 Positive 0 1 5
 Negative 6 3 7
Total group (n=84):
 Positive 25 17 5
 Negative 24 5 8