Table 2.

Operational definitions of selected outcomes of interest

Outcome	Definition	Anticipated variable form
PTSD – clinical diagnosis	Diagnosis of PTSD in electronic medical record (ICD‐9 code 309.81)	Dichotomous
PTSD – research‐based diagnosis	Meets criteria for PTSD based on SCID assessment	Dichotomous
Psychiatric comorbidities	Diagnoses of depression, anxiety, substance abuse or other DSM‐IV diagnoses	Dichotomous
Treatment utilization	Number of health care visits, pharmaceutical usage	Continuous
Productivity loss	Self‐reported absentee days, decreased accomplishments, decreased diligence	Continuous
Quality of life	SF‐12 scores	Continuous