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Sathvik S, Alsharef A, Singh AK, Shah MA, ShivaKumar G. Enhancing construction safety: predicting worker sleep deprivation using machine learning algorithms. Sci Rep 2024; 14:15716. [PMID: 38977777 PMCID: PMC11231247 DOI: 10.1038/s41598-024-65568-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 06/21/2024] [Indexed: 07/10/2024] Open
Abstract
Sleep deprivation is a critical issue that affects workers in numerous industries, including construction. It adversely affects workers and can lead to significant concerns regarding their health, safety, and overall job performance. Several studies have investigated the effects of sleep deprivation on safety and productivity. Although the impact of sleep deprivation on safety and productivity through cognitive impairment has been investigated, research on the association of sleep deprivation and contributing factors that lead to workplace hazards and injuries remains limited. To fill this gap in the literature, this study utilized machine learning algorithms to predict hazardous situations. Furthermore, this study demonstrates the applicability of machine learning algorithms, including support vector machine and random forest, by predicting sleep deprivation in construction workers based on responses from 240 construction workers, identifying seven primary indices as predictive factors. The findings indicate that the support vector machine algorithm produced superior sleep deprivation prediction outcomes during the validation process. The study findings offer significant benefits to stakeholders in the construction industry, particularly project and safety managers. By enabling the implementation of targeted interventions, these insights can help reduce accidents and improve workplace safety through the timely and accurate prediction of sleep deprivation.
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Affiliation(s)
- S Sathvik
- Department of Civil Engineering, Dayananda Sagar College of Engineering, Bengaluru, Karnataka, 560111, India.
| | - Abdullah Alsharef
- Department of Civil Engineering, College of Engineering, King Saud University, P.O. Box 800, 11421, Riyadh, Saudi Arabia
| | - Atul Kumar Singh
- Department of Civil Engineering, Dayananda Sagar College of Engineering, Bengaluru, Karnataka, 560111, India.
- Department of Civil Engineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India.
| | - Mohd Asif Shah
- Kabridahar University, P.O Box 250, Kebri Dehar, Ethiopia.
- Division of Research and Development, Lovely Professional University, Phagwara, Punjab, 144001, India.
- Centre of Research Impact and Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, Punjab, 140401, India.
| | - G ShivaKumar
- Department of Civil Engineering, Dayananda Sagar College of Engineering, Bengaluru, Karnataka, 560111, India
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Li ZQ, Qin Y, Cai WP, Deng SQ, Mao XF, Zhang JG, Hou TY, Pan Y, Cui Y, Ge YN, Dong W, Tang YX. Sleep Deprivation Impairs Human Cognitive Reappraisal Ability: A Randomized Controlled Trial. Nat Sci Sleep 2023; 15:729-736. [PMID: 37753520 PMCID: PMC10519222 DOI: 10.2147/nss.s414962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023] Open
Abstract
Purpose This study aims to examine the impact of sleep deprivation on individual cognitive reappraisal ability using a standardized behavioral paradigm. Methods A randomized pretest-posttest control group design was conducted. Thirty-nine participants were eventually enrolled and randomly assigned to receive either the sleep control (SC: n = 17) or the sleep deprivation (SD: n = 22). Both of them were required to perform a standardized behavioral paradigm of measuring cognitive reappraisal ability one time under sleep-rested condition and another time under the condition of different sleep manipulation a week later. Results Mean valence ratings of SD group were more negative than SC group's (p < 0.05) and mean arousal ratings of SD group were higher than SC group's (p < 0.01). Conclusion Sleep deprivation may impair individual cognitive reappraisal ability and could potentially undermine the efficacy of cognitive therapy in terms of emotion regulation.
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Affiliation(s)
- Zi-Qiang Li
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Ye Qin
- The School of Mechanical Engineering, Changzhou University, Changzhou, 210046, People’s Republic of China
| | - Wen-Peng Cai
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Si-Qi Deng
- Department of Clinical Psychological Counseling, Shanghai Tongxinjici Health Couseling Center, Shanghai, 200433, People’s Republic of China
| | - Xiao-Fei Mao
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Jian-Guo Zhang
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Tian-Ya Hou
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Yu Pan
- Department of Medical Psychology, Chinese PLA General Hospital, Beijing, 100830, People’s Republic of China
| | - Yi Cui
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Ying-Nan Ge
- Department of Hepatopancreatobiliary Surgery, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen, 518000, People’s Republic of China
| | - Wei Dong
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
| | - Yun-Xiang Tang
- Faculty of Psychology, Naval Medical University, Shanghai, 200433, People’s Republic of China
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Bridges J, Shishavan HH, Salmon A, Metersky M, Kim I. Exploring the Potential of Pulse Transit Time as a Biomarker for Sleep Efficiency through a Comparison Analysis with Heart Rate and Heart Rate Variability. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23115112. [PMID: 37299839 DOI: 10.3390/s23115112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023]
Abstract
The relationship between sleep dynamics and blood pressure (BP) changes is well established. Moreover, sleep efficiency and wakefulness during sleep (WASO) events have a significant impact on BP dipping. Despite this knowledge, there is limited research on the measurement of sleep dynamics and continuous blood pressure (CBP). This study aims to explore the relationship between sleep efficiency and cardiovascular function indicators such as pulse transit time (PTT), as a biomarker of CBP, and heart rate variability (HRV), measured using wearable sensors. The results of the study conducted on 20 participants at the UConn Health Sleep Disorders Center suggest a strong linear relationship between sleep efficiency and changes in PTT (r2 = 0.8515) and HRV during sleep (r2 = 5886). The findings of this study contribute to our understanding of the relationship between sleep dynamics, CBP, and cardiovascular health.
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Affiliation(s)
- Jenna Bridges
- Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Hossein Hamidi Shishavan
- Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Adrian Salmon
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Connecticut Health, Farmington, CT 06030, USA
| | - Mark Metersky
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Connecticut Health, Farmington, CT 06030, USA
| | - Insoo Kim
- Department of Medicine, University of Connecticut School of Medicine, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
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Sathvik S, Krishnaraj L, Awuzie BO. Establishing the root causes of unsafe behaviors among construction workers: an integrative interpretive structural modeling analysis. Sci Rep 2023; 13:7006. [PMID: 37117210 DOI: 10.1038/s41598-023-31793-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/17/2023] [Indexed: 04/30/2023] Open
Abstract
There has been a significant decline in worker productivity at construction sites globally owing to the increase in accidents and fatalities due to unsafe behavior among workers. Although many studies have explored the incidence of unsafe behaviors among construction workers, limited studies have attempted to evaluate the causal factors and to determine the root causes. An integrative interpretive structural modeling analysis of the interrelationships that exist between these causal factors established from relevant literature was conducted in this study to determine the root factors hence bridging this gap. Fifteen causal factors were identified through literature review, and the nature of interrelationships between them was determined using interpretive structural modeling (ISM) and a Cross-impact matrix multiplication applied to classification (MICMAC) analysis. Data was obtained from a purposively selected cohort of experts using semi-structured interviews. The emergent data was subsequently analyzed using the ISM and MICMAC analysis to ascertain the interrelationships between the causal factors. The results of the study showed that age, sleep quality, degree of interaction and workers' skillsets were the root causes of unsafe behavior among construction workers. Besides engendering the establishment of the root causes of unsafe behavior among construction workers, the results of this study will facilitate the prioritization of appropriate solutions for tackling the menace.
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Affiliation(s)
- S Sathvik
- Department of Civil Engineering, SRM Institute of Science & Technology, Kattankulathur, 603203, India.
| | - L Krishnaraj
- Department of Civil Engineering, SRM Institute of Science & Technology, Kattankulathur, 603203, India.
| | - Bankole Ostia Awuzie
- School of Construction Economics and Management, University of Witwatersrand, Jan Smuts Avenue, Braamfontein, Johannesburg, 2050, South Africa
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Andrade FC, Hoyle RH. A synthesis and meta-analysis of the relationship between trait self-control and healthier practices in physical activity, eating, and sleep domains. PERSONALITY AND INDIVIDUAL DIFFERENCES 2023. [DOI: 10.1016/j.paid.2023.112095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Killgore WDS, Grandner MA, Tubbs AS, Fernandez FX, Doty TJ, Capaldi II VF, Dailey NS. Sleep loss suicidal ideation: the role of trait extraversion. Front Behav Neurosci 2022; 16:886836. [PMID: 36338878 PMCID: PMC9630630 DOI: 10.3389/fnbeh.2022.886836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 09/26/2022] [Indexed: 11/29/2022] Open
Abstract
Background: It is known that sleep disturbance is associated with increased suicidal thinking. Moreover, completed suicides, when adjusted for the proportion of the populace that is awake at a given time, are more probable during the late night/early morning hours. Despite these concerns, no studies have examined the role of trait-like individual differences in vulnerability to suicidal ideation during sleep deprivation or insomnia. In two separate studies, we examined whether the trait of extraversion is predictive of changes in suicidal thinking following two nights of sleep deprivation and among individuals meeting the criteria for insomnia. Methods:Study 1: Twenty-five healthy military personnel (20 males), ages 20–35 completed the NEO-PI-R Extraversion scale and the Suicidal Ideation (SUI) scale of the Personality Assessment Inventory (PAI). Participants completed 77 h of continuous sleep deprivation. After 56 h of sleep deprivation, participants completed the SUI scale a second time. We predicted a change in SUI scores from baseline extraversion. Study 2: 2,061 adults aged 18–79 (900 males) were divided into two groups based on the clinical threshold (≥ 10) on the Insomnia Severity Index (ISI) and completed measures of extraversion and depression, including the suicide item of the Patient Health Questionnaire-9 (PHQ9). Results:Study 1: After controlling for the caffeine group and changes in PAI Depression, Extraversion scores were used to predict changes in SUI scores using stepwise multiple linear regression. Higher Extraversion was significantly associated with increased non-clinical suicidal ideation following sleep loss, β = 0.463, partial r = 0.512, p = 0.013. Study 2: After controlling for depression, the effect of insomnia on suicidal ideation was moderated by trait extraversion (p < 0.0001). Overall, the presence or absence of insomnia had little effect on individuals low in trait extraversion (i.e., introverts), but insomnia was associated with significantly higher suicidal ideation among high trait extraverted individuals. Conclusions: Higher trait extraversion was associated with increased vulnerability to suicidal ideation between rested baseline and total sleep deprivation and was associated with greater suicidal ideation among those meeting criteria for clinically severe insomnia. These findings point to a potential trait-like vulnerability factor that may further our understanding of sleep disruption in the phenomenology of suicide.
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Affiliation(s)
- William D. S. Killgore
- Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ, United States
- Walter Reed Army Institute of Research, Silver Spring, MD, United States
- *Correspondence: William D. S. Killgore
| | - Michael A. Grandner
- Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ, United States
| | - Andrew S. Tubbs
- Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ, United States
| | | | - Tracy Jill Doty
- Walter Reed Army Institute of Research, Silver Spring, MD, United States
| | | | - Natalie S. Dailey
- Department of Psychiatry, University of Arizona College of Medicine, Tucson, AZ, United States
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Sathvik S, Krishnaraj L, Irfan M. Evaluation of sleep quality and duration using wearable sensors in shift laborers of construction industry: A public health perspective. Front Public Health 2022; 10:952901. [PMID: 36203668 PMCID: PMC9530656 DOI: 10.3389/fpubh.2022.952901] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/15/2022] [Indexed: 01/24/2023] Open
Abstract
Approximately 21% of the workers in developing and developed countries are shift laborers. The laborer's work shifts can affect personal life and sleep standards, adversely impacting laborers and their manage. This study assesses the impact of various shift plans (seven evenings/7 days, fixed-night or fixed-day, and backup shifts) on shift laborers, considering four shift schedules. Most laborers were on rotational shifts, whereas others were on a permanent day, permanent night, and standby shifts. In a cross-sectional study, 45 development laborers from the National Construction firm were enlisted. Bio-wearable sensors were provided to monitor sleep. Participants were approached and asked to complete a survey bundle comprising the Pittsburgh sleep quality index (PSQI) and Epworth sleepiness scale (ESS). Differences in sleep models were estimated using a Fitbit watch at various shift schedules. The average age of laborers who participated in the study was 37.5 years, and their average experience in the construction company was 6.5 years. The average total sleep time was 346 ± 46 min. The rotational shift laborers yielded the minimum total sleep time compared to the average PSQI and ESS scores of 7.66 ± 1.3 and 6.94 ± 3.4, respectively. Fifteen shift laborers (33.33%) were affected by a sleeping disorder in the present experimental investigation, and 30 participants had inadequate standards of sleep based on the PSQI scores. Poor sleep quality and duration among construction shift laborers decrease productivity at work. Additional studies are expected to assess sleep-related issues affecting construction shift laborers.
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Affiliation(s)
- S. Sathvik
- Department of Civil Engineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - L. Krishnaraj
- Department of Civil Engineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India,*Correspondence: L. Krishnaraj
| | - Muhammad Irfan
- Faculty of Management Science, Department of Business Administration, ILMA University, Karachi, Pakistan,Muhammad Irfan
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