“…Riddle and colleagues (2007) examined the baseline prevalence of mental disorders in the US military in a cohort of 77 047 participants and found that certain military subpopulations, including female, younger, less educated, single, White, short-term service enlisted personnel, and army personnel, were more likely to have poor mental health. In the UK veteran population, a similar, although smaller (n = 496), study found that those who served in the army, were single, and were from lower ranks were most at risk of reporting mental health problems (Iversen 2005b). Studies from both the UK and the USA have shown that combatants who had preenlistment/childhood adversity were more likely to experience mental health problems on return from deployment (Cabrera 2007;Iversen 2007).…”