biostudies-literatureUnknown22(1)Rimes-Dias KAObesity, a complex public health problem, is generally associated with other chronic diseases. The association of obesity with health service utilization has been little investigated in low- and middle-income countries. This study aimed to analyze the association between obesity and health service utilization (considering those services related to hypertension and/or diabetes). A cross-sectional, nationally-representative, study of Brazilians aged ≥18 years was conducted. Data from the National Health Survey (2013) for 59,402 individuals were analyzed, including measured weight and height. The association between body mass index (BMI) category (under/normal weight, overweight, and obesity) and health service utilization due to hypertension and/or diabetes was investigated using Poisson regBMC public health1474https://www.ebi.ac.uk/biostudies/studies/S-EPMC9344684biostudies-literatureObesity and health service utilization in Brazil: data from the National Health Survey.PMC9344684Canella DSRimes-Dias KACosta JCfalseObesity and health service utilization in Brazil: data from the National Health Survey.Obesity, a complex public health problem, is generally associated with other chronic diseases. The association of obesity with health service utilization has been little investigated in low- and middle-income countries. This study aimed to analyze the association between obesity and health service utilization (considering those services related to hypertension and/or diabetes). A cross-sectional, nationally-representative, study of Brazilians aged ≥18 years was conducted. Data from the National Health Survey (2013) for 59,402 individuals were analyzed, including measured weight and height. The association between body mass index (BMI) category (under/normal weight, overweight, and obesity) and health service utilization due to hypertension and/or diabetes was investigated using Poisson reg2022-01-01T00:00:00Z2022 Aug2025-04-26T12:04:26.445Z2025-02-19T05:06:04.994ZS-EPMC93446843591869210.1186/s12889-022-13906-2