<p><b>OBJECTIVE:</b> This study aimed to investigate self-esteem among older adults treated at Basic Health Units (BHU) and associated factors.<br> <b>METHODS:</b> This cross-sectional study evaluated 654 older people treated at BHUs in the municipality of Maringá, state of Paraná, in Brazil. A sociodemographic questionnaire, the International Physical Activity Questionnaire (IPAQ), and the Rosemberg Self-estee...