Variable importance of suicide attempt predictors in women with depression in Denmark from 10-fold cross-validated random forests, 1995-2015. RSS and AD refers to reaction to severe stress and adjustment disorders. Poisoning refers to poisoning by, adverse effect of, and underdosing of drugs, medicaments, and biological substances. The black dots represent the mean decrease in accuracy (MDA) value from 10-fold cross-validation. The vertical line represents the median of the MDA values of all predictors with a non-zero MDA value (median, 0.08; interquartile range, 0.02).