Table 5.

Regressions for COVID Cases per Capita

	(1)	(2)	(3)	(4)
Estimation method	SUR	SUR	Instruments	Instruments
Period I: 3/19/21–6/13/21
vaccination rate	−.015 (.091)	.031 (.092)	−.684 (.711)	−.684 (.711)
Period II: 6/13/21–9/6/21
vaccination rate	−.462*** (.083)	−.459*** (.083)	−.509*** (.117)	−.509*** (.117)
Period III: 9/6/21–12/1/21
vaccination rate	−.397*** (.089)	−.503*** (.086)	−.328*** (.121)	−.390*** (.114)
vaccination rate, older	--	.075 (.156)	--	.460* (.254)
Period IV: 12/1/21–2/25/22
vaccination rate	.294* (.165)	.147 (.181)	.272 (.220)	.200 (.242)
vaccination rate, older	--	.541** (.222)	--	.394 (.273)
Period V: 2/25/22–5/22/22
vaccination rate	.253*** (.044)	.242*** (.046)	.317*** (.060)	.307*** (.061)
vaccination rate, older	--	.303*** (.075)	--	.379*** (.095)
R-squared	.43 .65 .71 .16 .61	.43 .65 .76 .17 .61	-.16 .66 .71 .17 .61	-.16 .66 .74 .19 .61
s.e.	.018 .028 .033 .068 .020	.018 .028 .030 .068 .020	.025 .028 .033 .067 .020	.025 .028 .032 .067 .020

Notes: See notes to Table 2. The only difference is that the dependent variable is based on COVID-related reported cases per capita.

^***Significant at 1%,

^**significant at 5%,

^*significant at 10%.