Table 2. Results for Regression of Republican Vote share on User Share with Controls.

Variable	Bivariate (SE)	Full Model (SE)
Republican User Share	0.279 (0.02)***	0.027 (0.01)**
Republican Incumbent		10.956 (0.65)***
% McCain		0.772 (0.03)***
Median Age		0.010 (0.09)
% White		0.131 (0.02)***
% College Educated		−0.005 (0.05)
Median HH Income		0.017 (0.03)
% Female		0.117 (0.30)
CNN share		0.001 (0.01)
	36.423 (1.32)	−5.474 (15.01)
	406	406
	.28	.92

Explaining Republican vote share with the proportion of users who included a Republican candidate in at least one tweet during the three months before the 2010 election. The relationship remains significant after adding controls. Standard error (SE) is in parentheses.

* ().

^**().

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