Table 8.

Structured-unstructured feature pairs A-B with high interaction heterogeneity (IH) values.

Structured feature (A)	Unstructured feature (B)	Joint suicide attempt risk	IH
Other, mixed, or unspecified drug abuse, unspecified use	Suicide attempts	2.02	77.55
Other, mixed, or unspecified drug abuse, unspecified use	Section XII	2.08	74.72
Other, mixed, or unspecified drug abuse, unspecified use	Living on the street	2.06	66.66
Other, mixed, or unspecified drug abuse, unspecified use	Prison	1.96	62.57
Other, mixed, or unspecified drug abuse, unspecified use	Undomiciled	2.02	61.18
Other, mixed, or unspecified drug abuse, unspecified use	Intoxications	1.96	60.56
Suicidal ideation	Section XII	2.03	54.69
Other, mixed, or unspecified drug abuse, unspecified use	Undomiciled	1.96	54.50
Other, mixed, or unspecified drug abuse, unspecified use	Opioid dependence	2.12	53.86
Suicidal ideation	Schizoaffective schizophrenia	1.91	52.75
Other, mixed, or unspecified drug abuse, unspecified use	Sober	1.91	52.29
Opioid abuse, unspecified use	Methadone	2.02	48.85
Other, mixed, or unspecified drug abuse, unspecified use	Unspecified bipolar disorder	1.90	48.53
Suicidal ideation	Delusions	1.86	48.32
Other, mixed, or unspecified drug abuse, unspecified use	Methadone	2.00	46.72
Other, mixed, or unspecified drug abuse, unspecified use	Schizoaffective schizophrenia	1.96	46.44
Opioid abuse, unspecified use	Sober	1.93	46.09
Other, mixed, or unspecified drug abuse, unspecified use	Methadone	1.86	45.55
Cocaine abuse, unspecified use	Methadone	1.97	43.78
Borderline personality	Methadone	1.88	43.59

The joint suicide attempt risk of features A and B is defined as the log of the ratio of the expected joint occurrences of AB in the case vs. non case cohorts.