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Table 1 Linear regression analysis predicting trauma severity from the severity of trauma exposure, appetitive aggression, the participant’s group and all possible two-way interactions (n = 184)

From: Relations among appetitive aggression, post-traumatic stress and motives for demobilization: a study in former Colombian combatants


PDS score



Severity of trauma exposure



Appetitive aggression


< .001

Group (way of demobilization)



Interaction: severity of trauma exposure * attraction to violence

- .01

n.s. (.09)

Interaction: attraction to violence * group

- .15


Interaction: severity of trauma exposure * group



  1. Note. Uncorrected standardized regression coefficients are displayed. The group dummy variable reflects the type of demobilization (‘0’ = individual demobilization; ‘1’ = collective demobilization).