Fig. 2From: Self-rated health and smoking among physicians and general population with higher education in Estonia: results from cross-sectional studies in 2002 and 2014Age-standardized prevalence of current smoking among physicians and general population with higher education in 2002 and 2014 in Estonia. Data shown as age-standardized prevalence of current smoking with 95% confidence intervals (CI). Age standardization was performed using the European standard population [24]Back to article page