This document divides socioeconomic groups into 5 categories: Group A includes higher managerial and professional occupations like surgeons and CEOs. Group B contains intermediate managerial and professional roles such as teachers and business owners. Group C1 consists of supervisory, clerical and junior administrative jobs. Group C2 comprises skilled manual work like electricians and builders. Group D covers semi-skilled and unskilled manual labor. Group E is unemployed individuals reliant on benefits.