Table 1.

Sample counts and characteristics for the severity of the opioid overdose trait.

Opioid Overdose Coding	African American					European American
	YP1 N	YP2 N	N	Mean Age	YP1+YP2 Male (%)	YP1 N	YP2 N	N	Mean Age	YP1+YP2 Male (%)	Total N
	1	741	338	1079	41.9	0.71	777	602	1379	36.2	0.67	2458
2	116	35	151	46.1	0.83	125	75	200	37.1	0.69	351
3	97	29	126	43.7	0.93	191	114	305	37.2	0.68	431
4	66	23	89	45.2	0.83	88	60	148	37.2	0.72	237
Overdose	279	87	366	45	0.86	404	249	653	37.2	0.69	1019
Subtotal	1020	425	1445	42.7	0.74	1181	851	2032	36.5	0.68	3477

Note: YP1 and YP2 represent the cohorts, Yale-Penn 1 and Yale-Penn 2, respectively. Mean age was calculated for the combined sample of the Yale-Penn 1 and Yale-Penn 2 cohorts.