The supplemental .zip archive for this publication contains the following files: 

1. An SPSS syntax file that creates additional variables and fits all the models presented in the article
      dr#1863.sps 

2. An SPSS system file containing the data used as the basis of the analyses in the article
      dr#1863.sav 

3. A tab-delimited data file, containing the same variables as in the SPSS system file (with the variable names as the first line of the file)
      dr#1863.dat