IntroductionWhiplash associated disorder (WAD) is the most frequently reported injury in traffic crash insurance schemes [1,2] and identification of factors associated with delayed recovery in compensation settings has been the focus of considerable research
[3,4]. The economic costs associated with delayed recovery from WAD are significant, with one study suggesting that a small minority (12%) of people who were unrecovered at 6 months account for half of all compensation payments [5].
WAD research initially focussed on understanding the impact of collision factors and injury severity on recovery, with studies reporting an association between non recovery and collision factors including speed, and lack of awareness of the impending Injury, Int.