Abstract Objective: To determine the relationship between overweight/obesity and sociodemographic factors among patients attending the Family Medicine Clinic of the University of Port Harcourt Teaching Hospital, Nigeria. Methods: This was a case control study in which 190 obese/overweight patients and non obese sex matched controls aged 18 - 64 years were recruited. Data on socio-demographic characteristics and anthropometric measurements was collected from them with the aid of a structured questionnaire. Descriptive analysis and pair wise comparison of data was done using Statistical package for Social Sciences version 16 (SPSS 16). All tests for statistical significance were two-tailed and performed assuming a type I error probability of