This procedure can be used when the:

Outcome (Dependent) variable is a Binary measure
Exposure (Independent) variable is Continuous

Analyse this in SPSS using:

Analyze >Regression > Binary Logistic
     Use the Options button and select CI for exp(B)

Report this quoting the:

Odds in the Exp(B) column, 95%CI and p-value from the Varaibles in the Equation table.
Use the confidence intervals output by SPSS

References

Please Report any issues to Brian Yuen