DV: dichotomous (0 = show, 1 = no-show)
IV (covariates):
Geslacht = Gender
dvd_week = Day of the week
Gender (0 = females, 1 = males) --> Indicator(first)
dvd_week = (1 = monday, 2 = tuesday, ... , 7 = sunday) --> indicator(first)
Interaction (moderator):
dvd_week * geslacht...