Answers are grounded in this paper and cite their sources.
A questionnaire based survey was performed to determine the prevalence of sleep related disorders in Indian school-going children residing in Delhi. The questionnaire used for the purposes of this study was based on the Pediatric Sleep Questionnaire, University of Michigan, USA. A total number of 4000 questionnaires were distributed of which 2774 were received back. A total number of 2475 questionnaires were finally selected for analysis as they satisfied all criteria for acceptance. A sub-group of patients who were suspected as having sleep disordered breathing on the basis of the questionnaire were subjected to polysomnography.
No takes yet. Share an insight, caveat, or question.
Sen et al. (2008) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: