Outcome (Dependent) variable is a Binary measure Exposure (Independent) variable is 2 independent groups
Present this graphically using a Clustered or Stacked Bar Chart
Use the SPSS procedure Crosstabs to create the graph or In SPSS select: Graphs > Chart Builder - Gallery – Bar | Clustered Bar or Stacked Bar
Analyse this in SPSS using:
Analyze >Descriptive Statistics > Crosstabs Use the Statistics button and select Kappa, Exact button and select Exact
The Exact Sig. is the p-value
Report this quoting the:
Kappa, 95%CI and p-value Use Confidence Interval Analysis (CIA)Diagnostic Studies | Kappa to calculate these values
Comments
Interpretation of Kappa values <0 = Poor agreement, 0.0 to 0.20 = Slight agreement, 0.21 to 0.40 = Fair agreement, 0.41 to 0.60 = Moderate agreement, 0.61 to 0.80 = Substantial agreement, 0.81 to 1.00 = Almost perfect agreement. Note: Kappa can be used with more than 2 categories.
Exposure (Independent) variable is 2 independent groups