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  1. Article ; Online: Voice use of nurses working in the intensive care unit during the COVID-19 pandemic.

    Song, Ziwei / Lee, Pyoung-Jik

    Intensive & critical care nursing

    2024  Volume 82, Page(s) 103620

    Abstract: Objective: This study aimed to investigate the voice use of nurses working in intensive care units (ICUs) and their perception of acoustic environments.: Setting and sample: The research was conducted in four different hospitals in China during the ... ...

    Abstract Objective: This study aimed to investigate the voice use of nurses working in intensive care units (ICUs) and their perception of acoustic environments.
    Setting and sample: The research was conducted in four different hospitals in China during the COVID-19 pandemic. A total of 60 ICU nurses were recruited for their voice use monitoring and 100 nurses participated in the survey.
    Research methodology: Firstly, voice-related parameters such as voice level (SPL, dB), fundamental frequency (F0, Hz), and voicing time percentage (Dt, %) were measured using a vocal monitor. To collect data, a non-invasive accelerometer was attached to the participants' necks during their working hours. Secondly, the perception of the ICU acoustic environment was assessed using semantic differential.
    Results: The results showed that nurses spoke approximately 0.9-4 dB louder to patients and colleagues in ICUs compared to quiet rooms, and their fundamental frequency (F0) significantly increased during work. The voice levels of nurses were influenced by background noise levels, with a significant correlation coefficient of 0.44 (p < 0.01). Furthermore, the background noise levels ranged from 58.1 to 73.9 dBA, exceeding the guideline values set by the World Health Organisation (WHO). The semantic differential analysis identified 'Stress' and 'Irritation' as the two main components, indicating the prevalence of negative experiences within ICUs.
    Implications for clinical practice: This study highlights the potential risk of voice disorders among ICU nurses. The findings also underscore the importance of implementing strategies to reduce noise levels in ICUs to reduce voice disorders among nurses.
    MeSH term(s) Humans ; Phonation ; COVID-19 ; Pandemics ; Voice Disorders ; Intensive Care Units ; Nurses
    Language English
    Publishing date 2024-01-16
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1105892-4
    ISSN 1532-4036 ; 0964-3397
    ISSN (online) 1532-4036
    ISSN 0964-3397
    DOI 10.1016/j.iccn.2023.103620
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Smartphone applications for measuring noise in the intensive care unit: A feasibility study.

    Lee, Pyoung Jik / Hampton, Thomas

    Journal of critical care

    2023  Volume 79, Page(s) 154435

    Abstract: Purpose: This study aims to explore the suitability of using smartphone applications with low-cost external microphones in measuring noise levels in intensive care units.: Methods: Four apps and two external microphones were tested in a laboratory by ...

    Abstract Purpose: This study aims to explore the suitability of using smartphone applications with low-cost external microphones in measuring noise levels in intensive care units.
    Methods: Four apps and two external microphones were tested in a laboratory by generating test signals at five noise levels. The average noise levels were measured using the apps and a professional device (i.e. a sound level meter). A field test was performed in an intensive care unit with two apps and one microphone. Noise levels were measured in terms of average and maximum noise levels according to the World Health Organisation's guidance. All the measurements in both tests were conducted after acoustic calibration using a sound calibrator.
    Results: Overall, apps with low-cost external microphones produced reliable results of averaged noise levels in both the laboratory and field settings. The differences between the apps and the sound level meter were within ±2 dB. In the field test, the best combination of app and microphone showed negligible difference (< 2 dB) compared to the sound level meter in terms of the average noise level. However, the maximum noise level measured by the apps exhibited significant differences from those measured by the sound level meter, ranging from -0.9 dB to -4.7 dB.
    Conclusion: Smartphone apps and low-cost external microphones can be used reliably to measure the average noise level in the intensive care unit after acoustic calibration. However, professional equipment is still necessary for accurate measurement of the maximum noise level.
    MeSH term(s) Humans ; Mobile Applications ; Smartphone ; Feasibility Studies ; Noise ; Intensive Care Units
    Language English
    Publishing date 2023-09-25
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 632818-0
    ISSN 1557-8615 ; 0883-9441
    ISSN (online) 1557-8615
    ISSN 0883-9441
    DOI 10.1016/j.jcrc.2023.154435
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Prevalence of voice handicap among nurses in intensive care units due to occupational noise during pandemic.

    Song, Ziwei / Lee, Pyoung-Jik / Jung, HeeJung

    Frontiers in public health

    2023  Volume 11, Page(s) 1250512

    Abstract: Background: Healthcare workers have been identified as being at risk of occupational voice disorders. Among them, nurses working in intensive care units (ICUs) are particularly vulnerable due to the risk factors that are associated with their exposure ... ...

    Abstract Background: Healthcare workers have been identified as being at risk of occupational voice disorders. Among them, nurses working in intensive care units (ICUs) are particularly vulnerable due to the risk factors that are associated with their exposure to high levels of noise. Thus, this study aimed to determine the prevalence of voice disorders among ICU nurses.
    Methods: A questionnaire was administered to 100 ICU nurses from four hospitals in China. The questionnaire assessed vocal-related symptoms, perceived voice handicap, frequently heard noise sources, and the quality of communications.
    Results: Results indicate that the most frequently reported voice symptoms were 'voice tiredness' and 'voiceless'. Nurses working more than 50 h per week experienced voice symptoms more frequently than nurses working for 40-50 h per week. The median value of the perceived voice handicap score (VHI-30) was 23, indicating mild voice handicap, while 24% of the nurses reported severe voice handicap. Longer working hours and working at patient wards were significantly associated with higher VHI-30 scores. The nurses also reported that the quality of verbal communication with patients and colleagues and voice problems worsened during the COVID-19 pandemic.
    Conclusion: More than 20% of nurses reported severe voice handicap, however, voice handicap among ICU nurses did not appear universally to all nurses. Further research is necessary to identify the risk factors associated with voice disorders and the mechanism behind such heterogeneity among ICU nurses.
    MeSH term(s) Humans ; Noise, Occupational/adverse effects ; Pandemics ; Prevalence ; COVID-19/epidemiology ; Voice Disorders/epidemiology ; Voice Disorders/etiology ; Intensive Care Units ; Occupational Diseases/epidemiology ; Nurses
    Language English
    Publishing date 2023-09-01
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2711781-9
    ISSN 2296-2565 ; 2296-2565
    ISSN (online) 2296-2565
    ISSN 2296-2565
    DOI 10.3389/fpubh.2023.1250512
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Attitudes towards outdoor and neighbour noise during the COVID-19 lockdown: A case study in London.

    Lee, Pyoung Jik / Jeong, Jeong Ho

    Sustainable cities and society

    2021  Volume 67, Page(s) 102768

    Abstract: To stop the spread of COVID-19 transmission, the UK put a first lockdown on the entire country during the months of March and May 2020, which strictly curtailed personal mobility and economic activities. The present study is aimed to understand attitude ... ...

    Abstract To stop the spread of COVID-19 transmission, the UK put a first lockdown on the entire country during the months of March and May 2020, which strictly curtailed personal mobility and economic activities. The present study is aimed to understand attitude of people towards noise inside their homes in London during the lockdown. Tweets from the social media platform were collected during the lockdown and the same periods in 2019. Additionally, subjective responses to outdoor and neighbour noises were collected through a questionnaire survey. Tweets about noise complaints during the lockdown were more than twice of those before introduction of lockdown. A substantial increase in talking/shouting, and TV/music activities were observed among the neighbour noise sources. Similar findings were obtained from the survey. The respondents answered that the perceived outdoor noise level decreased but perceived neighbour noise level increased during the lockdown. The outdoor noise annoyance ratings were revealed to be significantly lower than those before the lockdown. In contrast, neighbour noises were more frequently heard and annoyance ratings increased compared to the pre-lockdown period. In particular, talking/shouting and TV/music were most annoying. Furthermore, neighbour noise was more annoying than outdoor noise during the lockdown. This suggests that neighbour noise is more problematic than outdoor noise during lockdown. The findings of this study would be useful in designing the future strategy to enhance the acoustic comfort and city sustainability.
    Language English
    Publishing date 2021-02-06
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-6715
    ISSN (online) 2210-6715
    DOI 10.1016/j.scs.2021.102768
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Editorial: Sound Perception and the Well-Being of Vulnerable Groups.

    Meng, Qi / Lee, Pyoung Jik / Ma, Hui

    Frontiers in psychology

    2022  Volume 13, Page(s) 836946

    Language English
    Publishing date 2022-02-10
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2563826-9
    ISSN 1664-1078
    ISSN 1664-1078
    DOI 10.3389/fpsyg.2022.836946
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Acoustic environments of intensive care units during the COVID-19 pandemic.

    Song, Ziwei / Lee, Pyoung-Jik / Hampton, Thomas

    Applied acoustics. Acoustique applique. Angewandte Akustik

    2022  Volume 199, Page(s) 109037

    Abstract: This study aims to investigate the typical noise levels and noise sources in an intensive care unit (ICU) during the COVID-19 pandemic. Acoustic experiments were conducted over 24 hrs in patient wards and at nurse stations in four Chinese hospitals. From ...

    Abstract This study aims to investigate the typical noise levels and noise sources in an intensive care unit (ICU) during the COVID-19 pandemic. Acoustic experiments were conducted over 24 hrs in patient wards and at nurse stations in four Chinese hospitals. From the measurements, noise levels and sources were analysed in terms of the A-weighted equivalent sound pressure levels (
    Language English
    Publishing date 2022-09-19
    Publishing country England
    Document type Journal Article
    ISSN 0003-682X
    ISSN 0003-682X
    DOI 10.1016/j.apacoust.2022.109037
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: How residents in multifamily housing cope with neighbour noise: The role of attitude towards the neighbours.

    Park, Sang Hee / Lee, Pyoung Jik

    Journal of community psychology

    2019  Volume 47, Issue 8, Page(s) 1909–1925

    Abstract: Aims: Residents in multifamily housing are considerably exposed to neighbour noise, which can lead to neighbour disputes and even criminal violence. This study investigated how residents' attitudes towards noisy neighbours develop and the role of such ... ...

    Abstract Aims: Residents in multifamily housing are considerably exposed to neighbour noise, which can lead to neighbour disputes and even criminal violence. This study investigated how residents' attitudes towards noisy neighbours develop and the role of such attitudes in their reactions to neighbour noise.
    Methods: In-depth interviews were carried out with 57 South Korean residents. The data were collected and analyzed using grounded theory methods. Concepts and categories were identified through open coding and axial coding, respectively.
    Results: Residents' attitudes towards the neighbours (i.e., noise source) were grouped into friends, enemies, and strangers/acquaintances. Each attitude formation was influenced by the individual's past experience/history, the attitude shown by the neighbours, and the predictability/certainty of noise exposure. Different attitudes towards the neighbours resulted in different cognitive and behavioural copings.
    Conclusion: Given that the neighbour noise issue involves the interpersonal relationship between neighbours, the findings extend the scope of existing understanding. The paper suggests that further investigation into coping strategies would have practical implementations for reducing conflict arising from neighbour disputes.
    MeSH term(s) Adaptation, Psychological ; Adult ; Attitude ; Environmental Exposure ; Female ; Grounded Theory ; Housing ; Humans ; Interviews as Topic ; Male ; Middle Aged ; Noise/adverse effects ; Republic of Korea ; Residence Characteristics
    Language English
    Publishing date 2019-08-26
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1491194-2
    ISSN 1520-6629 ; 0090-4392
    ISSN (online) 1520-6629
    ISSN 0090-4392
    DOI 10.1002/jcop.22234
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Attitudes to Noise Inside Dwellings in Three Megacities: Seoul, London, and São Paulo.

    Lee, Pyoung Jik / Hopkins, Carl / Penedo, Rafaella

    International journal of environmental research and public health

    2020  Volume 17, Issue 16

    Abstract: This study investigated people's attitudes towards noise inside their homes. Online questionnaire surveys were conducted in Seoul, London, and São Paulo. The questionnaire was designed to assess annoyance caused by noise from neighbours and environmental ...

    Abstract This study investigated people's attitudes towards noise inside their homes. Online questionnaire surveys were conducted in Seoul, London, and São Paulo. The questionnaire was designed to assess annoyance caused by noise from neighbours and environmental noise (transportation). Information was also collected on situational, personal, and socio-demographic variables. Respondents that were more annoyed by outdoor noise inside their dwelling reported higher neighbour noise annoyance. In Seoul, neighbour noise was found to be more annoying than outdoor noise, and those with higher noise sensitivity reported higher annoyance towards neighbour noise. However, neighbour noise and outdoor noise was found to be equally annoying in London and São Paulo. For neighbour noise, the average percentage of respondents hearing structure-borne sources compared to airborne sources differed in each city. Most neighbour noise sources in São Paulo gave rise to higher annoyance ratings than Seoul and London. Education and income levels had a limited effect on annoyance and coping strategy. Annoyance with indoor noise from neighbours was found to have stronger relationships with cognitive and behavioural coping strategies than outdoor noise annoyance.
    MeSH term(s) Attitude ; Child ; Cities ; Environmental Exposure ; Female ; Humans ; London ; Male ; Noise, Transportation ; Seoul ; Surveys and Questionnaires
    Language English
    Publishing date 2020-08-18
    Publishing country Switzerland
    Document type Journal Article
    ISSN 1660-4601
    ISSN (online) 1660-4601
    DOI 10.3390/ijerph17166005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Emotions evoked by exposure to footstep noise in residential buildings.

    Park, Sang Hee / Lee, Pyoung Jik / Jeong, Jeong Ho

    PloS one

    2018  Volume 13, Issue 8, Page(s) e0202058

    Abstract: In the present study, the effect of footstep noise on emotions was investigated. This study used noise stimulus of human footsteps throughout the study. First, Korean emotion lexicons were collected from narratives of residents living in multi-family ... ...

    Abstract In the present study, the effect of footstep noise on emotions was investigated. This study used noise stimulus of human footsteps throughout the study. First, Korean emotion lexicons were collected from narratives of residents living in multi-family housing buildings. The lexicons were then classified into four emotion clusters, with three expressing negative emotions (anger, dislike, and pain) and the fourth depicting empathy. Since self-reported annoyance has long been investigated as one of the major non-auditory responses to noise, annoyance was measured along with affective responses in a laboratory experiment with varying noise levels. The findings revealed that the emotion and noise annoyance experienced by the participants were significantly affected by noise levels. All clusters expressing negative emotions showed strong correlations with noise annoyance, whereas that representing empathy showed the weakest correlation. Noise sensitivity and attitudes to the noise source were observed as possible moderators in emotional responses and annoyance ratings.
    MeSH term(s) Adult ; Aged ; Analysis of Variance ; Emotions ; Environmental Exposure ; Female ; Housing ; Humans ; Male ; Middle Aged ; Noise ; Republic of Korea ; Residence Characteristics ; Surveys and Questionnaires ; Young Adult
    Language English
    Publishing date 2018-08-13
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0202058
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Association between transportation noise and blood pressure in adults living in multi-storey residential buildings

    Lee, Pyoung Jik / Choung, Taeryang / Jeong, Jeong Ho / Kim, Kwan Yong / Park, Sang Hee

    Environment international. 2019 Aug. 12,

    2019  

    Abstract: Epidemiological studies have demonstrated that transportation noise is associated with blood pressure and hypertension, but little is known about its relationship in the adults living in multi-storey residential buildings, where neighbour noise is ... ...

    Abstract Epidemiological studies have demonstrated that transportation noise is associated with blood pressure and hypertension, but little is known about its relationship in the adults living in multi-storey residential buildings, where neighbour noise is frequently heard. This study aimed to investigate the effects of transportation noise exposure on blood pressure in 400 adult residents of multi-storey residential buildings and modifying effects of indoor noise annoyance and self-rated noise sensitivity on the associations between transportation noise and blood pressure. Noise levels were measured on the top of buildings for 24 h, and levels of each house unit were then predicted for different sources and periods using noise maps. Adjusted linear regression analyses were performed to estimate the associations of noise exposure levels (LDEN, LDay, and LNight) with systolic blood pressure (SBP) and diastolic blood pressure (DBP). The questionnaire also included questions related to annoyance caused by indoor noise, noise sensitivity, and sociodemographic variables. Adjusted regression models yielded significant effect estimates for a 5-dBA increase in overall transportation noise for 24 h (SBP β = 0.20; 95% confidence interval (CI): 0.25–1.81; DBP β = 0.16; 95% CI: 0.12–0.93). The overall (road traffic and railway noise) and road traffic noises showed stronger associations with the SBP than with the DBP, while the railway noise had similar associations with the SBP and the DBP. Stronger associations were estimated for the participants who reported higher indoor noise annoyance ratings. Furthermore, the regression coefficients between the noise exposure and blood pressure slightly increased (β = 0.26 and 0.22 for overall and road traffic noise, respectively for SBP) in a subgroup that excluded participants exposed to high railway noise. The results lend some support to the hypothesis that long-term exposure to transportation noise is associated with a higher blood pressure in adults living in multi-storey residential buildings.
    Keywords adults ; buildings ; chronic exposure ; confidence interval ; diastolic blood pressure ; epidemiological studies ; hypertension ; noise pollution ; questionnaires ; railroads ; regression analysis ; residential housing ; systolic blood pressure ; traffic
    Language English
    Dates of publication 2019-0812
    Publishing place Elsevier Ltd
    Document type Article
    Note Pre-press version
    ZDB-ID 554791-x
    ISSN 1873-6750 ; 0160-4120
    ISSN (online) 1873-6750
    ISSN 0160-4120
    DOI 10.1016/j.envint.2019.105101
    Database NAL-Catalogue (AGRICOLA)

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