Assessing the validity of digital health literacy instrument for secondary school students in Ghana: The polychoric factor analytic approach. - Edmond Kwesi Agormedah; Frank Quansah; Francis Ankomah; John Elvis Hagan; Medina Srem-Sai; Richard Samuel Kwadwo Abieraba; James Boadu Frimpong; Thomas Schack (Frontiers Digit. Health, 2022)