Table 5 –

Adherence of Chronic Drugs

	Reduced Form			2SLS
Dependent Variable: I(High Adherence)	Full Sample	2004–2007	2005–2007	Full Sample	2004–2007	2005–2007
	(1)	(2)	(3)	(4)	(5)	(6)
A. Instrument=Share65+ * Post
Post*Share65+	0.184***	0.234***	0.404***
	(0.057)	(0.056)	(0.114)
Views per Person (Non-Elderly)				0.017**	0.017***	0.033***
				(0.007)	(0.005)	(0.013)
B. Instrument=High Elderly Share * Post
High Elderly Share*Post	0.004*	0.008***	0.012***
	(0.003)	(0.003)	(0.004)
Views per Person (Non-Elderly)				0.008	0.011***	0.021**
				(0.005)	(0.004)	(0.008)
Mean of Dep. Var (pre- Part D)	0.61	0.61	0.56
Zipcode x Condition x Quarter Obs	102,477	59,252	44,519	102,477	59,252	44,519

Notes:

^***p<0.01,

^**p<0.05,

^*p<0.1. Clustered standard errors at the 3-digit ZIP code level; all specifications include quarter fixed effects, 3-digit ZIP code fixed effects, condition fixed effects. The outcome variable is the proportion of individuals with MPR>=80%. Includes the 50 drugs that advertised during the study period and the drugs that did not advertise for 5 chronic conditions: depression, diabetes, hyperlipidemia, hypertension, and osteoporosis.