Table 2. Comparison of sub-groups in the 2013 cohort based of self-reported ethnicity/race by the Average Advance Directives Support Score (AADDS).

Ethnicity/Race	N	25th percentile	50th percentile	75th percentile
Caucasian	552	0.36	0.46	0.61
African American	35	0.36	0.46	0.61
Asian	353	0.32	0.43	0.57
Hispanic/Latino	57	0.29	0.39	0.54

The higher the AADSS score, the more positive the attitude towards Advance Directives ( Range of −1 to +1).