Associations between physical activity, socioeconomic and sociodemographic factors, and risk of sarcopenia in older adults in Northeast Brazil - Guerra, Matheus; Garcia, Danilo; Daniele, Thiago Medeiros da Costa; Berglind, Daniel; Guerra, João; Evangelista, Brenda Pinheiro; Oliveira, Francisco Gerlai Lima; Marques, Marília Braga; Barbosa, Rachel Gabriel Bastos; Coutinho, Janaína Fonseca Victor (BMC Public Health, 2025)