18 7. Physical symptoms(Physcore) The total number of physical symptoms reported by a person. 8. Psychological symptoms(Psyscor) The total number of psychological symptoms reported by a person. 9. SRQ-20 total score(SRQtot) The total score, out of 20, reported by a person. Scores in excess of 7/20 are indicative of psychological disturbance, whilst scores in excess of 10/20 are clinically significant and termed "severe". 10.SRQ-20 depression score(SRQdep) The total number of depressive items on the SRQ-20 reported by a person. 11.SRQ-20 anxiety score(SRQanx) The total number of anxiety items on the SRQ-20 reported by a person. 12.CAPS frequency score(CAPSfre) The total score on the Frequency subscale of the CAPS reported by a person. 13.CAPS intensity score(CAPSint) The total score on the Intensity subscale of the CAPS reported by a person. It was hoped that the use of a large number of measures would allow the partialling out of causes and effects. Each measure hypothetically measured a discrete factor seen as importantly involved in organised violence and its effects, and cross-tabulations might reveal the relationships between these variables Means and standard deviations were calculated, and statistical tests of significance were conducted using OXSTAT, a commonly used statistical programme.