TABLE 2.

Changes in Cost-Related Nonadherence and Spending Less on Basic Needs Following Part D Implementation

Group		Depressive Symptoms			No Depressive Symptoms			Depressive Symptoms / No Depressive Symptoms (Part D effect)
Outcome measure	Test	2005 vs. 2004	2006 vs. 2005	2006-2005 vs. 2005-2004	2005 vs. 2004	2006 vs. 2005	2006-2005 vs. 2005-2004	2006-2005 vs. 2005-2004
Cost-related nonadherence	OR (95% CI)	1.01 (0.84, 1.21)	0.86 (0.75, 0.98)	0.85 (0.65, 1.12) p=0.244	0.89 (0.82, 0.96)	0.74 (0.65, 0.84)	0.83 (0.71, 0.97) p=0.022†	0.98‡ (0.73, 1.32) p=0.896
	Wald t-test (df)	0.09 (99)	−2.23 (99)	−1.17 (82)	−3.06 (99)	−4.62 (99)	−2.32 (82)	−0.13 (82)
Spent less on basic needs	OR (95% CI)	1.08 (0.88, 1.32)	0.77 (0.65, 0.92)	0.72 (0.52, 0.99) p=0.044†	1.09 (0.95, 1.24)	0.55 (0.46, 0.65)	0.50 (0.40, 0.63) p<0.001†	0.70‡ (0.49, 1.01) p=0.055
	Wald t-test (df)	0.73 (99)	−2.92 (99)	−2.04 (82)	1.20 (99)	−7.02 (99)	−5.95 (82)	−1.94 (82)

* Models adjusted for sex, age group, income level, race, general health status, number of physical morbidities, and number of years’ participation in MCBS

^†Significant at p<0.05

^‡Ratios <1 suggest the decline in CRN among those with depressive symptoms is less than the decline among those without depressive symptoms