Figure 2
From: Dissemination of periodic mammography and patterns of use, by birth cohort, in Catalonia (Spain)
Fixed and random effects obtained using a mixed effects model for the percentages of women that receive periodic mammograms, by age and cohort of birth. Catalonia (Spain). The fixed effects' curves represent the dissemination of mammography for all cohorts together, whereas the random effects' curves represent the dissemination of mammography for each specific cohort and are obtained using the corresponding cohort-specific ϕ 2 parameter.