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Table 2 Fixed effects for the final model for total serum cholesterol

From: Trends in total cholesterol screening and in prescribing lipid-lowering drugs in general practice in the period 1994–2003

Effect

Estimate

Standard Error

DF

t Value

Pr > |t|

Intercept

15079

294.18

49

51.26

<.0001

Treatment (no)

-11179

344.77

88E3

-32.42

<.0001

Age

0.4457

0.008216

88E3

54.25

<.0001

Sex (female)

5.3299

0.2603

88E3

20.48

<.0001

Time

-1.8572

0.09101

88E3

-20.41

<.0001

Treatment*Time

-5.5843

0.1723

88E3

-32.40

<.0001