Fig. 2
Distribution of the J-PSQI and YDQ Internet addiction scores. J-PSQI, Japanese version of the Pittsburgh Sleep Quality Index; YDQ, Young Diagnostic Questionnaire
Fig. 2 | BMC Pediatrics
Distribution of the J-PSQI and YDQ Internet addiction scores. J-PSQI, Japanese version of the Pittsburgh Sleep Quality Index; YDQ, Young Diagnostic Questionnaire