Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.04124 -0.03269 -0.01758  0.01031  0.36943 

Coefficients:
             Estimate Std. Error t value   Pr(>|t|)    
(Intercept) 0.0009366  0.0064804   0.145      0.885    
x           0.0446075  0.0092263   4.835 0.00000168 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.05369 on 630 degrees of freedom
  (80 observations deleted due to missingness)
Multiple R-squared:  0.03578,	Adjusted R-squared:  0.03425 
F-statistic: 23.38 on 1 and 630 DF,  p-value: 0.000001676