Table 5 presents country-specific estimates of the sex-age interaction predicting incident drug use, again derived from a discrete-time survival model. Sex was coded 1 for female and 0 for male in this model. Evidence of women becoming more similar to men in more recent cohorts would be indicated by a sex-by-cohort interaction OR that was <1.0: this would mean that the relative-odds of use among women compared to men were lower in older cohorts than younger cohorts.
