Call:
lm(formula = y ~ x)

Residuals:
     Min       1Q   Median       3Q      Max 
-0.03386 -0.03081 -0.01896 -0.00259  0.55434 

Coefficients:
             Estimate Std. Error t value  Pr(>|t|)    
(Intercept) -0.005278   0.007629  -0.692     0.489    
x            0.043294   0.010862   3.986 0.0000751 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.0632 on 630 degrees of freedom
  (80 observations deleted due to missingness)
Multiple R-squared:  0.0246,	Adjusted R-squared:  0.02305 
F-statistic: 15.89 on 1 and 630 DF,  p-value: 0.00007512