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Evidence for a single underlying factor structure of posttraumatic stress disorder (PTSD) in children remains elusive. We assessed the underlying factor structure of the Child PTSD Symptom Scale through exploratory (EFA) and confirmatory factor analyses (CFA) in 570 survivors of the 2015 Gorkha earthquake in Nepal. The EFA suggests that the three-factor DSM-IV model fit these data best. The CFA suggests that while the DSM-IV model adequately fit these data, the four-factor King model fit them better. There was no evidence of differential