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Background
Loneliness is a common health problem among the elderly but is not well understood in the adolescent population, especially in low‐ and middle‐income countries (LMICs). Adolescent loneliness can have adverse impacts on short‐ and long‐term health status.
Methods
This study examined rates of self‐reported loneliness and friendlessness among 76,982 secondary school students in 25 LMICs...