This study uses longitudinal data to identify "risk markers" for reassault
among batterer program participants. Data are from 308 men and their partne
rs collected at five, 3-month intervals. Time-varying situational and behav
ioral risk factors, as well as time-invariant individual characteristics, a
re examined. The most influential risk markers, in terms of relative risk a
nd level of statistical significance, were time-varying: 2 measures of the
mans drunkenness during the follow-up interval in which the reassault occur
red (OR: 3.5-16.3; p > .0005). Other included time-varying batterer charact
eristics hod no significant effect on reassault. Two significant time-invar
iant batterer risk factors were (1) severe psychopathology and (2) a histor
y of non-domestic violence arrest, both measured at intake. Results suggest
that batterers' drinking behavior after program intake may provide an impo
rtant and easily observed "marker" for risk of reassault and that predictio
n of reassault with individual risk factors at program intake remains probl
ematical.