Assume we have data from 17 participants with systolic blood pressure values ranging from 95 to 140 mmHg. Researchers are interested if higher systolic blood pressure (mmHg) is associated with higher creatinine levels (mg/dL).

Results from Stata output are displayed below:

Source SS df MS Number of obs 17 F (1, 15) 90.39 Model . 313088401 1 . 313088401 Prob > F 0 . 0000 Residual . 051958658 15 . 003463911 R-squared 0. 8577 Adj R-squared 0. 8482 Total . 365047059 16 . 022815441 Root MSE . 05885 creatinine Coef. Std. Err. P>ItI [95% Conf. Interval] systolic . 0320363 . 0033697 9.51 0. 000 . 0248539 . 0392186 cons -3. 090305 . 422247 -7.32 0. 000 -3.990303 -2. 190306