The original variables and their codings are given in the program files and reproduced below. Fit model for the effect of socioeconomic background, age at marriage, type of union, whether or not a child was born during the union, respondent's birth cohort, and union duration. Explain what you are testing for in the interaction model. Assess the fit of this model relative to the first model. Interpret your findings.
Time is measured in months since union formation.
For these data, d is the number of union dissolutions corresponding to a particular constellation of covariate values.