Li Ka Shing Faculty of Medicine Frontiers SeriesSession -: Big Data and Precision Medicine: e-Poster no. 17Symposia Theme: ‘MOOCs in Postmodern Asia’ (Oct 27, 2014) and ‘Big Data and Precision Medicine’ (Oct 28, 2014)published_or_final_versio

Dai, SY

Ho, DSY

Lam, TH

Lo, WS

Mok, HY

Yung, HYD

HKU Scholars Hub

Title Doctor-diagnosed sleep apnoea in Hong Kong adolescents:prevalence and associations with night-eating and dinner timeAuthor(s) Dai, SY; Ho, DSY; Mok, HY; Yung, HYD; Lo, WS; Lam, THCitation The 2014 East-West Alliance Global Symposia, Hong Kong,China, 27-28 October 2014Issued Date 2014URL http://hdl.handle.net/10722/207862Rights Creative Commons: Attribution 3.0 Hong Kong LicenseDoctor-diagnosed sleep apnoea in Hong Kong adolescents: prevalence and associations with night-eating and dinner time  Dai SY, Ho SY, Mok HY, Yung D, Lo WS, Lam TH       �Doctor-diagnosed sleep apnoea  was reported by 1.0% of Chinese adolescents in Hong Kong.�Doctor-diagnosed sleep apnoea  was associated with night eating and late dinner time. �Our results provide preliminary evidence against eating meals late at night in relation to sleep apnoea . University Research Committee, Strategic Research Theme on Public Health, University of Hong Kong.For additional information, please contact:Dai Siyu (daisiyu@hku.hk)ObjectivesResultsSchool of Public Health, University of Hong Kong, Hong KongConclusionsBackground� Sleep apnoea affecting 1 in 20 adults. � Eating meals late at night may cause regurgitation during sleep, affecting the upper airway. � It is supposed that sleep apnoea is associated with night-eating and late dinners� Investigate the prevalence of sleep aponea in Hong Kong adolescents � Investigate its with night eating and dinner time .Funding & ContactMethods� Study design� Data resources•    Cross-sectional anonymous questionnaire in 2006/07•    Subject: 33692 Chinese students (44.9% boys; mean age 14.8, SD 1.9 years) from 42 randomly selected secondary schools� Measurements• Independent variable     Doctor-diagnosed sleep aponea (reported by student, yes or no)• Dependent variables     The frequency of night-eating (eating meals between dinner and sleep)      3 categories: none (reference),  1-4 days per week, 5-7 days per week.    Usual dinner time       3 categories: early (6-7PM) (reference), normal (7:30-9:30PM), late (10PM)�  Data analysis�  Descriptive statistics•     Doctor-diagnosed prevalence of sleep apnoea •     Prevalence of reported late night eating � Logistic regression     AORs of sleep apnoea (independent) for night-eating, dinner time.  AORs of sleep apnoea (dependent variable) for night-eating and dinner time, adjusting for each other, age, sex, perceived family affluence and usual bedtime on weekdays and weekends.  Figure 2. sleep aponea associated with dinner time  Figure 1. sleep aponea associated with night eating  The prevalence of sleep apnoea was 1.0% overall, 1.2% in boys and 0.7% in girls (P<0.001).  

Doctor-diagnosed sleep apnoea in Hong Kong adolescents: prevalence and associations with night-eating and dinner time

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Doctor-diagnosed sleep apnoea in Hong Kong adolescents: prevalence and associations with night-eating and dinner time

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