STEPS is the WHO recommended tool for -: (A) Surveillance of non-communicable disease and their risk factors, (B) Surveillance of communicable diseases and their risk factors, (C) Surveillance of socio-economic status of the community, (D) Changes of trends of moality in non-communicable diseases
Answer is A. Park's textbook of preventive and social medicine 23rd edition The STEPS - the non communicable disease risk factors survey to help countries establish CMS surveillance system. It describes 3 steps: questionnaire, physical measurements and biochemical measurements. .