Model Summary
Step	-2 Log likelihood	Cox & Snell R Square	Nagelkerke R Square
1	322.780a	.043	.061

Variables in the Equation
	B	S.E.	Wald	df	Sig.	Exp(B)
Step 0	Constant	-.916	.132	47.976	1	<.001	.400

Classification Tablea
	Observed	Predicted
CHD mortality	Percentage Correct
no	yes
Step 1	CHD mortality	no	200	0	100.0
yes	80	0	.0
Overall Percentage			71.4

a. The cut value is .500

Variables in the Equation
	B	S.E.	Wald	df	Sig.
Step 1a	Number of days engaged in exercise in past week (0-7 days)	-.222	.065	11.568	1	<.001
Constant	-.219	.234	.870	1	.351

Variables in the Equation
	Exp(B)	95% C.I.for EXP(B)
Lower	Upper
Step 1a	Number of days engaged in exercise in past week (0-7 days)	.801	.705	.910
Constant	.804

a. Variable(s) entered on step 1: Number of days engaged in exercise in past week (0-7 days).

Please provide more detail on the logistic regression analysis shown above, including:

• The Wald statistic
• The pseudo r square
• The hosmer-lemeshow goodness of fit test