Prevalence and factors associated with substance abuse among adolescents in public and private secondary schools in Katsina State, Nigeria. - Lawal, Aminu; Abdullahi, Suleiman Bello; Olorukooba, Abdulhakeem Abayomi; Hamza, Khadeejah Liman; Usman, Bilkisu; Abdulkadir, Amir; Abba, Shaimau Kabir; Yahaya, Shamsuddeen Suleiman; Nass, Nafisa Sani; Amadu, Lawal; Shuaibu, Zaharaddeen Babandi; Belgore, Salamatu; et al. (BMC Public Health, 2025)