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:ObjectivesTo highlight the prevalence of sleep problems and identify associated risk factors among a representative sample recruited from the general population of Hong Kong.Design, setting and participantsParticipants included 12 022 individuals (aged 15 or above) who took part in the Population Health Survey 2014/15, a territory-wide survey conducted by the Department of Health of the Government of the Hong Kong Special Administrative Region.Primary and secondary outcome measuresOutcomes were the prevalence of (1) insufficient sleep (<6 hours sleep per day) and (2) any sleep disturbance (difficulty initiating sleep, intermittent awakenings, early awakening) ≥3 times per week in the past 30 days. Multivariable logistic regression identified associations between sleep problems and sociodemographic, clinical and lifestyle factors.Results9.7% of respondents reported insufficient sleep and 10.5% reported sleep disturbances ≥3 times a week. Female gender, monthly household income <$12 250 (Hong Kong dollar), lower education level, mental health condition and physical health condition were significantly associated with both insufficient and disturbed sleep (all p<0.05). Unemployment, homemaker, insufficient physical activity, current/former smoking status and harmful alcohol consumption were associated with sleep disturbances only (all p<0.01).ConclusionsSleep problems are highly prevalent in Hong Kong. As such problems are associated with a range of health conditions, it is important to facilitate improvements in sleep. Our results show that harmful alcohol consumption, insufficient physical activity and current smoking are modifiable risk factors for sleep disturbances. Public health campaigns should focus on these risk factors in order to promote a healthy lifestyle and ultimately reduce sleep disturbances. Targeted interventions for high-risk groups may also be warranted, particularly for those with doctor-diagnosed physical and mental health conditions.

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.

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