Sleep questionnaire scale in snoring children: Development and evaluation

doi:10.19538/j.ek2017090613

Abstract：Objective To work out sleep questionnaire scale which is suitable for investigating the sleep disorder status in snoring chilren in order to apply to clinical work.Methods A total of 1017 children with over 2 months of snoring or mouth breathing aged 3 to 14 years were selected,and according to the scale formulation specifications,the item pool was formulated by combining with the theoretical knowledge of common sleep disorders in children and consulting a large number of literature.Then the primary scale was formed after the expert group modified or deleted some items.Forty items were selected as the final scale by using factor analysis method and then its reliability and validity was evaluated.Results The sleep questionnaire scale in snoring children was composed of five dimensions,40 items.In the aspect of reliability,the total Cronbach;alpha coefficient of the scale was 0.7373.The Cronbach'α coefficient of other dimensions was 0.5789 in snoring symptoms at night,0.6769 in symptoms associated with sleep and related diseases,0.7983 in behavioral symptoms,0.6038 in daytime sleepiness symptoms and 0.8354 in others' evaluation on childrens' drowsiness,respectively.In the aspect of structure validity,confirmatory factor analysis showed that the standardized coefficient load in 60％ of entries was greater than 0.4,which was acceptable.Conclusion Sleep questionnaire scale in snoring children has good reliability and acceptable validity.