Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.01830 -0.01546 -0.00930  0.00477  0.34506 

Coefficients:
              Estimate Std. Error t value  Pr(>|t|)    
(Intercept) -0.0006324  0.0035422  -0.179     0.858    
x            0.0018933  0.0004263   4.441 0.0000105 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.02815 on 680 degrees of freedom
  (30 observations deleted due to missingness)
Multiple R-squared:  0.02818,	Adjusted R-squared:  0.02675 
F-statistic: 19.72 on 1 and 680 DF,  p-value: 0.00001046