Table 3.

Effects of Part D on Antidepressant Use among Dual Enrollees with Diabetes and Co-Morbid Major Depression by Drug Cap Status, Age and Race

	Proportion with any Use			Standardized Monthly Dose
CAP STATES Non-Elderly	Level Change in the % with Any Use (%)	% with Any Use Pre Part D (Nov 2005)	% with Any Use 12 Mos Post Part D (Jan 2007)	Level Change in SMDs per Month	Mean SMDs Pre Part D	Mean SMD 12 Mos Post Part D
Whites	0.08 (0.06,0.11)^a	21.5%	31.8%	0.12 (0.09,0.15)^a	0.49	0.62
Blacks	0.04 (0.002,0.01)^a	13.9%	17.7%	0.05 (0.01,0.09)^b	0.24	0.29
Difference	0.04 (0.01,0.08)^b			0.10 (0.03,0.16)^a
Elderly
Whites	0.03 (0.02,0.04)^a	10.4%	15.0%	0.03 (0.0002,0.06)^b	0.16	0.20
Blacks	0.04 (0.03,0.04)^a	6.7%	10.9%	0.03 (0.02,0.03)^a	0.08	0.12
Difference	−0.01 (−0.02,0.003)			0.004 (−0.03, 0.04)
NO CAP STATES Non-Elderly
Whites	−0.01 (−0.02, −0.004)	43.6%	42.8%	0.004 (−0.03,0.03)	0.87	0.87
Blacks	0.01 (−0.0004,0.03)	23.1%	23.2%	0.02 (−0.01,0.05)	0.42	0.42
Difference	−0.02 (−0.03, −0.01)^a			−0.01 (−0.04, 0.01)
Elderly
Whites	−0.01 (−0.02,0.001)	25.0%	24.7%	−0.001 (−0.002,0.00001)	0.34	0.34
Blacks	−0.01 (−0.02, −0.01)	12.6%	11.8%	−0.02 (−0.04, −0.01)^a	0.15	0.14
Difference	0.01 (−0.003, 0.02)			0.01 (−0.01, 0.04)

p<0.01

p<0.05