Aggression, Impulsivity and Suicidal Behavior in Depressive Disorders: A Comparison Study between New York City (US), Madrid (Spain) and Florence (Italy)

The association of aggression and impulsivity with suicidal behavior (SB) in depression may vary across countries. This study aimed (i) to compare levels, measured the Brown-Goodwin Scale (BGS) Barratt Impulsivity (BIS), respectively, between New York City (NYC) (US), Madrid (Spain) Florence (Italy) (ANOVA); (ii) investigate between-site differences previous SB (binary logistic regression). Aggression scores were higher NYC, followed by Madrid. levels than or NYC. suicide attempters non-attempters NYC was associated (OR 1.12, 95% CI 1.07–1.16; p < 0.001) 1.11, 1.01–1.22; = 0.032). linked 1.01, 1.00–1.02; 1.03, 1.02–1.05; 0.001). rates compared Florence, be, part, explained these cross-cultural contribution aggression-impulsivity SB, which should be considered future research on prevention.