Loglinear (Poisson) regression model for CHD as a function of

Smoking, Behavior Type, and Blood Pressure

Study of Risk Factors for Coronary Heart Disease (CHD)

 

The GENMOD Procedure

 

Model Information

Data Set

WORK.CHD

Distribution

Poisson

Link Function

Log

Dependent Variable

chd

Offset Variable

logpyrs

Observations Used

16

 

Criteria For Assessing Goodness Of Fit

Criterion

DF

Value

Value/DF

Deviance

12

21.2397

1.7700

Scaled Deviance

12

21.2397

1.7700

Pearson Chi-Square

12

22.1455

1.8455

Scaled Pearson X2

12

22.1455

1.8455

Log Likelihood

 

497.3329

 

 

Algorithm converged.

 

Analysis Of Parameter Estimates

Parameter

DF

Estimate

Standard Error

Wald 95% Confidence Limits

Chi-Square

Pr > ChiSq

Intercept

1

-5.4202

0.1308

-5.6765

-5.1638

1716.79

<.0001

smoke

1

0.0273

0.0056

0.0163

0.0383

23.72

<.0001

behavior

1

0.7526

0.1362

0.4856

1.0195

30.53

<.0001

bp

1

0.7534

0.1292

0.5001

1.0067

33.98

<.0001

Scale

0

1.0000

0.0000

1.0000

1.0000

 

 

 

NOTE:

The scale parameter was held fixed.