Dataset Information

Effect of noise tolerance on non-restorative sleep: a population-based study in Hong Kong.

ABSTRACT: OBJECTIVE:The aim of this study was to assess the impact of auditory noise tolerance on non-restorative sleep using an objective audiometric test in a representative sample. DESIGN:A total of 202 Chinese individuals aged 15 years and above were recruited from a population-based household survey. Their non-restorative sleep was assessed by a single item, the degree of feeling refreshed on waking up, on a 0-10 scale, while noise tolerance was measured by the most comfortable level expressed in A-weighted decibels. RESULTS:The 202 individuals (106 women) had a mean degree of feeling refreshed on waking up of 6.5 on the 0-10 scale and a mean maximum comfortable sound level of 69.2 dB. A multivariable analysis showed that a 1 dB increase in noise tolerance was associated with a 0.1-unit increase in the degree of feeling refreshed after adjusting for age, education, marital status, occupation, exercise, smoking, alcohol consumption, household noise level, stress, anxiety and depression. Moreover, housewives, non-smokers and individuals who were less anxious or stressed felt significantly more refreshed on waking up. CONCLUSION:People with higher levels of noise tolerance experienced more refreshing sleep. Additional clinical consideration of enhancing noise tolerance in patients with sleep complaints is needed.

SUBMITTER: Fong DYT

PROVIDER: S-EPMC5857695 | biostudies-other | 2018 Mar

REPOSITORIES: biostudies-other

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Effect of noise tolerance on non-restorative sleep: a population-based study in Hong Kong.

Fong Daniel Y T DYT Wong Janet Y H JYH Huang Lixi L

BMJ open 20180312 3

<h4>Objective</h4>The aim of this study was to assess the impact of auditory noise tolerance on non-restorative sleep using an objective audiometric test in a representative sample.<h4>Design</h4>A total of 202 Chinese individuals aged 15 years and above were recruited from a population-based household survey. Their non-restorative sleep was assessed by a single item, the degree of feeling refreshed on waking up, on a 0-10 scale, while noise tolerance was measured by the most comfortable level e ...[more]

PMID: 29530913

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Project description:BackgroundA history of self-harm is strongly associated with future self-harm attempts. Large-scale Asian cohort studies examining risk factors for repeated self-harm are lacking. This paper reports on annual prevalence, cumulative risk, annual risk of non-fatal self-harm repetition, and risk factors among Hong Kong patients with a history of self-harm.MethodsThe Hong Kong Clinical Data Analysis and Reporting System (CDARS) provided all accident & emergency department and inpatient self-harm records between Jan 1, 2002 and Dec 31, 2016. Demographic and clinical characteristics were extracted. Annual prevalence, over-time cumulative and annual risks of non-fatal self-harm repetition were estimated, and the adjusted hazard ratios (HR; plus 95% CIs) of putative risk factors associated with repetition were estimated using Wei-Lin-Weissfeld (WLW) generalization of the Cox model for recurrent event analysis.FindingsThere were 127,801 self-harm episodes by 99,116 individuals. Annual prevalence of repeated self-harm, of all self-harms, ranged from 7•36% to 28•71% during the study period. Risk of self-harm repetition within one year of the index event was 14•25% (95% CI, 14•04%-14•46%). People with four or more previous self-harm episodes carried the highest risk of self-harm repetition (adjusted HR 4•81 [95% CI 4•46-5•18]). Significant risk factors for non-fatal self-harm repetition included male gender (1•08 [1•05-1•11]), older age (65+ years) (1•07 [1•01-1•13]), social welfare for payment (1•30 [1•27-1•34]), psychiatric admission (1•60 [1•50-1•72]), self-injury only (1•19 [1•15-1•23]), self-injury combined with self-poisoning (1•38 [1•24-1•53]), depression and bipolar disorders (1•09 [1•04-1•14]), personality disorders (1•18 [1•06-1•32]), substance misuse (1•31 [1•27-1•36]), and asthma (1•18 [1•02-1•36]).InterpretationHong Kong self-harm patients with non-fatal self-harm events should be supported by effective, timely and ongoing aftercare plans based on their risk profiles, to reduce risk of self-harm reoccurrence.FundingResearch Grants Council, General Research Funding: 17611619.

Dataset Information

Effect of noise tolerance on non-restorative sleep: a population-based study in Hong Kong.

Publications

Effect of noise tolerance on non-restorative sleep: a population-based study in Hong Kong.

Similar Datasets

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