Figure 1From: Prevalence of claims-based recurrent low back pain in a Canadian population: A secondary analysis of an administrative database Bars represent the annual prevalence of claims-based recurrent low back pain in the Canadian province of Quebec for men (black bars) and women (shaded bars). The 8-year mean prevalence for men (solid line) and women (dotted line) shows the difference between the sexes (shaded area). Both distributions display a progressive and significant decrease from 2000 to 2007.Back to article page