Skip main navigation

The Edmonton Obesity Staging System (EOSS) Tool

Learn more about the Edmonton Obesity Staging System Tool.

The following tool developed by Sharma and Kushner (2009) summarises how an individual is categorised by obesity stage. This tool can be useful in clinical practice in order to determine to what extent obesity is influencing the person’s health and can help direct management.

EOSS: Edmonton Obesity Staging System - Staging tool. Stage 0: NO sign of obesity-related risk factors, NO physical symptoms, NO psychological symptoms, NO functional limitations. . Stage 1: Patient has obesity-related subclinical risk factors OR, MILD physical symptoms - patient currently not requiring medical treatment for comorbidities OR, MILD obesity-related psychology and/or mild impairment of well-being. Stage 1: Patient has an ESTABLISHED obesity-related comorbidities requiring medical intervention OR. MODERATE obesity-related psychological symptoms, OR MODERATE functional limitations in daily activities. Stage 3: Patient has significant obesity-related end-organ damage OR, SIGNIFICANT obesity-related psychological problems OR, SIGNIFICANT functional limitations OR, SIGNIFICANT impairment of well-being. Stage 4: SEVERE (potential end stage) from obesity-related chronic disease OR, SEVERE disabling psychological symptoms OR, SEVERE functional limitations.

This article is from the free online

EduWeight: Weight Management for Adult Patients with Chronic Disease

Created by
FutureLearn - Learning For Life

Our purpose is to transform access to education.

We offer a diverse selection of courses from leading universities and cultural institutions from around the world. These are delivered one step at a time, and are accessible on mobile, tablet and desktop, so you can fit learning around your life.

We believe learning should be an enjoyable, social experience, so our courses offer the opportunity to discuss what you’re learning with others as you go, helping you make fresh discoveries and form new ideas.
You can unlock new opportunities with unlimited access to hundreds of online short courses for a year by subscribing to our Unlimited package. Build your knowledge with top universities and organisations.

Learn more about how FutureLearn is transforming access to education