Table 1.

Characteristics of Plans Included in the Study

			Age of Members, y, %
Plan	No. of Members	Female Sex, %	0-17	18-64	≥65	% With Pharmacy Benefit
A	250,000-750,000	51	29	69	2	57
B	≥750,000	51	33	65	2	76
C	250,000-750,000	52	25	74	1	80
D	250,000-750,000	50	27	71	2	51
E	≥750,000	52	30	65	5	51
F	≥750,000	53	25	69	6	71
G	250,000-750,000	54	44	51	5	70
H	250,000-750,000	52	30	66	4	64
I	≥750,000	51	25	72	2	77