The following is a question posed by a faculty member in the social
sciences. He has done a logistic regression finding near significance.
But his Betas are zero. What does this mean? Is it just that the accuracy
is only to three places? His output table is below.
Table: Results of a stepwise binary logistic regression with female sexual
orientation as the dependent variable and monthly prenatal stress, alcohol
use, and cigarette smoking, and their interactions as predictors.
Order of numbers is:
Beta Standard Error Wald df Significance Exp(B)
Step 1:
Overall Stress X Small amounts of alcohol X Cigarettes smoked during the
5th month
.000 .000 3.358 1 .067 1.000
Constant
-3.012 .102 868.727 1 .000 .049
----------
Step 2:
Overall Stress X Cigarettes smoked during the 9th month
.000 .000 5.826 1 .016 1.000
Overall Stress X Small amounts of alcohol X Cigarettes smoked during the
5th month
.000 .000 3.722 1 .054 1.000
Constant
3.079 .108 806.203 1 .000 .046
David McCormack, Ph.D. e-mail: [EMAIL PROTECTED]
office: Minot State University phone: 701-858-3281
500 West University Avenue fax: 701-858-3582
Minot, ND 58707
OR home: 1700 6th Street NW phone: 701-839-4951
Minot, ND 58703-1304
Heaven is my home. Earth is my business address. Matthew 6:19
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