Fig. 4From: Swedish translation and validation of the Pediatric Insomnia Severity IndexStructural equation model (SEM) of the factors sleep onset problems (SOP), sleep maintenance problems (SMP), and psychological wellbeing (PWB). Chi- square = 51.83, df = 41, p = 0.190, RMSEA = 0.044, CFI = 0.97. All effects and factor-loadings are significant (p < 0.05)Back to article page