Inequalities in Colorectal Cancer Screening: Combining MAIHDA with Difference-in-Differences to Assess Programme Effects Across Population Subgroups
By applying a novel MAIHDA-DiD approach to European survey data, this study reveals that while colorectal cancer screening programmes increased overall uptake, they failed to reduce—and potentially widened—inequalities by disproportionately benefiting already advantaged subgroups, particularly those not living alone.