Exhibit 7.

Effect of three state policies on generic substitution rates^*

Parameter	Estimate	Standard Error	95% Confidence Limits		Pr > |Z|
Intercept	1.0888	0.0933	0.9059	1.2718	<.0001
Mandatory Substitution	0.1187	0.1222	−0.1207	0.3582	0.3311
Patient Consent Required	−0.2478	0.0974	−0.4387	−0.0569	0.0109**
Prior Authorization Required	−0.0406	0.0852	−0.2075	0.1263	0.6335

Source: Our analysis of aggregate Medicaid prescription medication use data

^*Multivariable linear regression using generalized estimating equations to control for clustering at the state level

A time variable was included in the model but not shown

^**p < 0.05