Regression analysis of causes of systolic blood pressure!
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                               systolic blood pressure
                    ----------------------------------------------
                                blood pressure (mmHg)
                    Just cholesterol level       Basic Model
                             (1)                     (2)
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Age                                               0.512***
                                                   (0.109)

Cholesterol Levels         0.042**                  0.023
                           (0.019)                 (0.019)

Constant                  121.360***              98.245***
                           (4.871)                 (6.822)

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Observations                 303                     303
R2                          0.015                   0.082
Adjusted R2                 0.012                   0.076
Residual Std. Error   17.433 (df = 301)       16.857 (df = 300)
F Statistic         4.637** (df = 1; 301)  13.445*** (df = 2; 300)
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Note:                                  *p<0.1; **p<0.05; ***p<0.01