Figure 1From: Educational level, prevalence of hysterectomy, and age at amenorrhoea: a cross-sectional analysis of 9536 women from six population-based cohort studies in Germany Estimated adjusted prevalence ratios of hysterectomy and school degree among 9536 women of six German cohort studies, 1997–2006. All estimated prevalence ratios (PR) are adjusted for study and age (metric variable); school education: low (no school leaving certificate or lower secondary school leaving certificate), middle (intermediate secondary school leaving certificate), and high (upper secondary school leaving certificate).Back to article page