Self-reported information has commonly been used to monitor mammography utilization across populations and time periods. However, longitudinal investigations regarding the prevalence and determinants of inconsistent responses over time and the impact of such responses on population screening estimates are lacking.
Centre for Chronic Disease Prevention & Control, Population and Public Health Branch, Health Canada, Ottawa ON, Canada. Christina_Bancej@hc-sc.gc.ca <Christina_Bancej@hc-sc.gc.ca>