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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Trauma Violence Abuse. 2015 Jul 30;18(1):106–116. doi: 10.1177/1524838015596344

Table 3. Studies Showing Mixed Findings in Regard to the Role of Substance Use (n=6).

Study Type of trauma Recruitment Sample size Details
Rotem et al. (2011) Combat Clinical 204,184 Proportional hazard assessing risk of dropping out for an alcohol or drug use disorder in first year is significant at .004 and .001, respectively. However, respondents with alcohol or drug disorders were also significantly more likely to have more mental health visits in the first year after diagnosis.
Ford et al. (2006) Disaster/war Random 4,640 Bivariate: Individuals who were current drinkers were significantly less likely to utilize behavioral health services. However, individuals who increased either smoking or drinking were significantly more likely to utilize behavioral health services. Multivariate: Positive relationship (nonsignificant) between current drinker or smoker or increase in alcohol or tobacco use.
Washington et al. (2012) Combat Random 3,598 Bivariate difference too slight, p = .97.
DeViva et al. (2014) Combat Clinical 200 Those with comorbid substance abuse were likely to be seen but less likely to complete treatment; results were nonsignificant.
Owens et al. (2009) Combat Convenience 50 Bivariate differences too small; mean SMAST score = 3.12 (SD = 2.39) vs. mean SMAST score = 3.05 (SD = 1.39).
Gibbs et al. (2011) Combat Convenience 48 (Qualitative study) Reported use of “self-medication” after returning from deployment and as a way of coping with general conditions of military life and separation from family and friends. For some participants, alcohol was used as “self-medication” when there were too many barriers to care—wait times, stigma, career problems. However, when alcohol use went out of control, individuals usually were sanctioned by the military and forced to seek treatment.