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  • 1
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    Online Resource
    The development and initial validation of self‐report measures of ICD‐11 depressive episode and generalized anxiety disorder: The International Depression Questionnaire (IDQ) and the International Anxiety Questionnaire (IAQ)
    Wiley ; 2023
    In:  Journal of Clinical Psychology Vol. 79, No. 3 ( 2023-03), p. 854-870
    Details
    In: Journal of Clinical Psychology, Wiley, Vol. 79, No. 3 ( 2023-03), p. 854-870
    Abstract: The new International Classification of Diseases came into effect in 2022 (ICD‐11; World Health Organization, 2022) and included updated descriptions and diagnostic rules for “Depressive Episode” and “Generalized Anxiety Disorder.” No self‐report measures align with these disorders so this study reports the development and initial validation of the “International Depression Questionnaire” (IDQ) and “International Anxiety Questionnaire” (IAQ). Methods Items were developed that aligned to the ICD‐11 descriptions and their performance was assessed using data from a community sample ( N  = 2058) that was representative of the United Kingdom adult population. Results Item response theory models indicated that the two scales were unidimensional, and the items performed well in terms of difficulty and discrimination. Estimates of internal reliability were high. Based on ICD‐11 derived diagnostic algorithms, 7.4% met requirements for ICD‐11 Depressive Episode and 7.1% for Generalized Anxiety Disorder. Conclusions The IDQ and the IAQ are short, easy to use, self‐report measures aligned to the new and updated ICD‐11 diagnostic descriptions. This study provides initial evidence that the scales produce scores that are reliable and valid.
    Type of Medium: Online Resource
    ISSN: 0021-9762 , 1097-4679
    URL: Issue
    URL: Article
    DOI: 10.1002/jclp.v79.3
    DOI: 10.1002/jclp.23446
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1475037-5
    SSG: 5,2
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  • 2
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    Online Resource
    Does improving indoor air quality lessen symptoms associated with chemical intolerance?
    Cambridge University Press (CUP) ; 2022
    In:  Primary Health Care Research & Development Vol. 23 ( 2022)
    Details
    In: Primary Health Care Research & Development, Cambridge University Press (CUP), Vol. 23 ( 2022)
    Abstract: To determine whether environmental house calls that improved indoor air quality (IAQ) is effective in reducing symptoms of chemical intolerance (CI). Background: Prevalence of CI is increasing worldwide. Those affected typically report symptoms such as headaches, fatigue, ‘brain fog’, and gastrointestinal problems – common primary care complaints. Substantial evidence suggests that improving IAQ may be helpful in reducing symptoms associated with CI. Methods: Primary care clinic patients were invited to participate in a series of structured environmental house calls (EHCs). To qualify, participants were assessed for CI with the Quick Environmental Exposure and Sensitivity Inventory. Those with CI volunteered to allow the EHC team to visit their homes to collect air samples for volatile organic compounds (VOCs). Initial and post-intervention IAQ sampling was analyzed by an independent lab to determine VOC levels (ng/L). The team discussed indoor air exposures, their health effects, and provided guidance for reducing exposures. Findings: Homes where recommendations were followed showed the greatest improvements in IAQ. The improvements were based upon decreased airborne VOCs associated with reduced use of cleaning chemicals, personal care products, and fragrances, and reduction in the index patients’ symptoms. Symptom improvement generally was not reported among those whose homes showed no VOC improvement. Conclusion: Improvements in both IAQ and patients’ symptoms occur when families implement an action plan developed and shared with them by a trained EHC team. Indoor air problems simply are not part of most doctors’ differential diagnoses, despite relatively high prevalence rates of CI in primary care clinics. Our three-question screening questionnaire – the BREESI – can help physicians identify which patients should complete the QEESI. After identifying patients with CI, the practitioner can help by counseling them regarding their home exposures to VOCs. The future of clinical medicine could include environmental house calls as standard of practice for susceptible patients.
    Type of Medium: Online Resource
    ISSN: 1463-4236 , 1477-1128
    URL: Article
    DOI: 10.1017/S1463423621000864
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2027892-5
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  • 3
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    Online Resource
    Measurement and rapid assessment of indoor air quality at mass gathering events to assess ventilation performance and reduce aerosol transmission of SARS-CoV-2
    SAGE Publications ; 2023
    In:  Building Services Engineering Research and Technology Vol. 44, No. 2 ( 2023-03), p. 113-133
    Details
    In: Building Services Engineering Research and Technology, SAGE Publications, Vol. 44, No. 2 ( 2023-03), p. 113-133
    Abstract: To assess risk factors for COVID-19 transmission and address the closure of mass gathering events since March 2020, the UK Government ran the Events Research Programme (ERP), following which it reopened live events in sports, music, and culture in July 2021. We report the rapid post-occupancy evaluation of Indoor Air Quality (IAQ) and associated long-range airborne transmission risk conducted in the Environmental Study of the ERP. Ten large venues around the UK were monitored with CO 2 sensors at a high spatial and temporal resolution during 90 events. An IAQ Index based on CO 2 concentration was developed, and all monitored spaces were classified in bands from A to G based on their average and maximum CO 2 concentrations from all events. High resolution monitoring and the IAQ Index depicted the overall state of ventilation at live events, and allowed identification of issues with ventilation effectiveness and distribution, and of spaces with poor ventilation and the settings in which long-range airborne transmission risk may be increased. In numerous settings, CO 2 concentrations were found to follow patterns relating to event management and specific occupancy of spaces around the venues. Good ventilation was observed in 90% of spaces monitored for given occupancies. Practical applications: High-resolution monitoring of indoor CO 2 concentrations is necessary to detect the spatial variation of indoor air quality (IAQ) in large mass gathering event venues. The paper summarises COVID-19 ventilation guidance for buildings and defines a methodology for measurement and rapid assessment of IAQ during occupancy at live events that can be implemented by venue managers. Comparisons of the CO 2 concentrations measured during the events identified the spaces at high risk of long-range transmission of airborne pathogens. Building operators should be mindful of the ventilation strategies used relative to the total occupancy in different spaces and the occupant’s activities.
    Type of Medium: Online Resource
    ISSN: 0143-6244 , 1477-0849
    URL: Article
    DOI: 10.1177/01436244221137995
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2053866-2
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  • 4
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    Assessing the validity and reliability of the International Anxiety Questionnaire and the International Depression Questionnaire in two bereaved national samples
    Wiley ; 2023
    In:  Clinical Psychology & Psychotherapy
    Details
    In: Clinical Psychology & Psychotherapy, Wiley
    Abstract: The International Anxiety Questionnaire (IAQ) and International Depression Questionnaire (IDQ) are self‐report measures of ICD‐11 Generalized Anxiety Disorder (ICD‐11 GAD) and ICD‐11 Single Episode Depressive Disorder (ICD‐11 DD). This study tested the psychometric properties of these scales in two samples of bereaved adults from the United Kingdom and the Republic of Ireland. Confirmatory factor analysis (CFA) was used to test the combined dimensionality and measurement invariance of the IAQ and IDQ across the United Kingdom ( n  = 1012) and Irish ( n  = 1011) samples. Differential item functioning (DIF) was tested using multiple indicator multiple cause (MIMIC) modelling while convergent validity was also assessed. CFA results supported a correlated two‐factor model in both samples. The MIMIC model showed that the IDQ item “Had recurrent thoughts of death or suicide” showed DIF and the effect was small. Internal reliability of the scales were high and convergent validity was supported. The prevalence of ICD‐11 GAD was 18.6% and 16.1% and ICD‐11 DD was 13.8% and 10.5% in the United Kingdom and Irish samples, respectively. Findings of the study provide support for the validity, measurement invariance, and reliability of the IAQ and IDQ among two bereaved national samples.
    Type of Medium: Online Resource
    ISSN: 1063-3995 , 1099-0879
    URL: Article
    DOI: 10.1002/cpp.2917
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2004636-4
    SSG: 2,1
    SSG: 5,2
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  • 5
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    A field study of indoor air quality and occupant perception in experimental laboratories and workshops
    Emerald ; 2019
    In:  Management of Environmental Quality: An International Journal Vol. 30, No. 2 ( 2019-03-11), p. 467-482
    Details
    In: Management of Environmental Quality: An International Journal, Emerald, Vol. 30, No. 2 ( 2019-03-11), p. 467-482
    Abstract: Maintaining good indoor air quality (IAQ) in the built environment is essential to assure health, safety and productivity of occupants. The purpose of this paper is to report on the preliminary IAQ assessment of selected air-conditioned laboratories and naturally ventilated workshops in a tropical education institution. Design/methodology/approach The concentration levels of five major indoor air pollutants (IAPs) – carbon dioxide, carbon monoxide, respirable particulates, formaldehyde (HCHO) and total volatile organic compounds (TVOC) in each sampling area were measured using calibrated air sampling sensors and the tracer-gas analysis was used to determine the ventilation effectiveness. A questionnaire survey was carried out concurrently to study the prevalence of sick building syndrome (SBS) among users of laboratories and workshops and the data collected were statistically analysed using χ 2 test. Findings The air pollutant levels were found to be below the threshold limit values set in the local code of practice on IAQ, except for two of the air-conditioned laboratories. This is possibly due to insufficient ventilation, smaller floor area per occupant ratio, long-term exposure to chemical substances, and improper disposal of the used chemical substances. The total particulate levels were higher in naturally ventilated workshops because such spaces were assigned for mechanical works which involved grinding, welding and fabrication. Besides, it was identified that most of the air contaminant levels were not normally distributed ( p 〈 0.05) within the sampling areas and SBS like dry eyes, watery eyes, tiredness and dry throat were reported in both laboratories and workshops. The outcomes of this work suggest that an increase of ventilation rate was necessary to reduce the concentration of the IAPs in air-conditioned laboratories and improved housekeeping would help mitigate the prevalence of SBS symptoms. Research limitations/implications This research was carried out in selected laboratories and workshops in a Malaysian educational institution and only five major IAPs stipulated in the Department of Occupational Safety and Health (DOSH) code of practice were measured. Practical implications The results of this study will enable facility engineers and managers to understand the IAPs concentration levels and potential SBS problems in academic laboratories and workshops. The recommended strategies can be considered to improve IAQ conditions in such spaces. Originality/value Most of the previously conducted IAQ studies focused only on commonly occupied building spaces such as offices, classrooms and houses. Information of the quality of air and SBS conditions in experimental facilities in developing nations that is available is currently very limited. This case study provides detailed information on IAQ in laboratories and workshops in Malaysia with focuses on the concentration levels of particular harmful gases, the prevalence of SBS among users of these facilities and the appropriate mitigation strategies. The results presented are of value to both academic and industry communities.
    Type of Medium: Online Resource
    ISSN: 1477-7835
    URL: Article
    DOI: 10.1108/MEQ-04-2018-0074
    Language: English
    Publisher: Emerald
    Publication Date: 2019
    detail.hit.zdb_id: 2109970-4
    SSG: 3,4
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  • 6
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    Investigation of window-opening behaviour and indoor air quality in dwellings situated in the temperate zone in China
    SAGE Publications ; 2021
    In:  Indoor and Built Environment Vol. 30, No. 7 ( 2021-08), p. 938-956
    Details
    In: Indoor and Built Environment, SAGE Publications, Vol. 30, No. 7 ( 2021-08), p. 938-956
    Abstract: Indoor air quality (IAQ) is a key factor that could affect the indoor environment and people's health. In this study, we report a comprehensive study on IAQ in 30 dwellings in the temperate zone in China. Thirty naturally ventilated dwellings were selected in the urban area of Kunming, which is the largest city in temperate zone in China. In four seasons, short-term measurement of formaldehyde and benzene, toluene, xylenes-volatile organic compounds and air infiltration rate were conducted in these dwellings. A long-term 1-year monitoring of temperature, relative humidity, fine particulate matter (PM 2.5 ), carbon dioxide (CO 2 ), window-opening behaviour and night-time air change rate (ACR) were conducted in 13 of these dwellings by remote sensors. Short-term measurements showed the mean formaldehyde concentration in summer (100.76 μg/m 3 ), benzene concentration in winter (8.46 µg/m 3 ), PM 2.5 concentration (80.4 µg/m 3 ) in spring of 2017 exceeded the Chinese standard, the US Office of Environmental Health Hazard Assessment value and the World Health Organization guidelines. The night-time ACR was the highest in summer (2.1 h −1 ) and the lowest in winter (1.6 h −1 ) in bedrooms of 13 long-term monitored dwellings due to seasonal time variation in window opening in bedrooms, which was mainly driven by CO 2 concentration, indoor temperature and outdoor PM 10 concentration.
    Type of Medium: Online Resource
    ISSN: 1420-326X , 1423-0070
    URL: Article
    DOI: 10.1177/1420326X20924746
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 1482713-X
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  • 7
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    Online Resource
    Post more! The mediating role of social capital between Instagram use and satisfaction with life
    Springer Science and Business Media LLC ; 2023
    In:  Current Psychology Vol. 42, No. 14 ( 2023-05), p. 12175-12189
    Details
    In: Current Psychology, Springer Science and Business Media LLC, Vol. 42, No. 14 ( 2023-05), p. 12175-12189
    Abstract: Since more and more people have begun to use social networking sites (SNSs), research on the use of SNSs is flourishing. This study examines Instagram use and the psychological well-being of the users. It was conducted based on two samples ( n 1  = 143 and n 2  = 320) examining the relationship between Instagram use, social capital, and satisfaction with life using online questionnaires. Social capital was divided into bonding and bridging social capital and Instagram use was distinguished depending on an active and passive mode, respectively. Instagram use was measured by a behavioral report – the Instagram Activity Questionnaire (IAQ) – which was developed in accordance with the Facebook-Activity Questionnaire (FAQ; cf., Ozimek & Bierhoff, 2016). The results indicated consistently in both samples the occurrence of positive associations between mode of Instagram use and social capital variables. Furthermore, only bonding social capital – not bridging social capital – was positively correlated to satisfaction with life. A path model showed that the negative association of active Instagram use and satisfaction with life was positively mediated by bonding social capital. These results are discussed based on social capital theory. Limitations of this investigation are pointed out and suggestions for future research are outlined.
    Type of Medium: Online Resource
    ISSN: 1046-1310 , 1936-4733
    URL: Article
    DOI: 10.1007/s12144-021-02579-6
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2021598-8
    SSG: 5,2
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  • 8
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    Design Of Hvac System For Beverage Industry
    IOP Publishing ; 2021
    In:  IOP Conference Series: Materials Science and Engineering Vol. 1059, No. 1 ( 2021-02-01), p. 012063-
    Details
    In: IOP Conference Series: Materials Science and Engineering, IOP Publishing, Vol. 1059, No. 1 ( 2021-02-01), p. 012063-
    Abstract: The objective of this project is to design HVAC system for beverage industry. Firstly, the requirements and Design Basic Report (DBR) of the HVAC system are defined. DBR gives a clear picture of filtration level, required conditions, Cost-effectiveness, Energy conservation, Fire safety, Indoor air quality (IAQ) and Ease of maintenance. Air Flow diagram makes you understand the Air Handling Unit (AHU) zoning for the HVAC system. Beverage industry zoning areas include pulp cutting, blending and homogenizer, filler, anteroom, CIP room and pasteurization. Design calculation provides the data for recirculation and 100% fresh air supply and return system. Processing line is having sequence process rooms and each room have its own individual cooling load calculations. Design calculation gives the value of Tonnage of refrigerant, CFM and Dehumidification capacity of the system. Ducting layout issue the best routing for the site installation to distribute the air from the supply and return system. It includes the details of Damper, Ducting, Duct Insulation and Instrumentation to use in the facility. Supply and return system placement are also covered in this layout drawing and the Bill of Quantity is prepared.
    Type of Medium: Online Resource
    ISSN: 1757-8981 , 1757-899X
    URL: Article
    DOI: 10.1088/1757-899X/1059/1/012063
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2021
    detail.hit.zdb_id: 2506501-4
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  • 9
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    Online Resource
    A Systematic Review on the Application of Ultraviolet Germicidal Irradiation to HVAC Systems
    MDPI AG ; 2023
    In:  Energies Vol. 16, No. 22 ( 2023-11-14), p. 7569-
    Details
    In: Energies, MDPI AG, Vol. 16, No. 22 ( 2023-11-14), p. 7569-
    Abstract: With the renewed focus on indoor air quality (IAQ) due to “Sick building syndrome” and the recent COVID-19 pandemic, the availability of innovative components and innovative guidance for maintenance and systemic safety design will play an important role, with HVAC systems as protagonists. UV-C irradiation has been investigated for a long time, and some system solutions are known. The aim of this work is to provide an overview of the latest outcomes related to the innovative components of HVAC systems using UV-C irradiation and investigate the current state of the art. A procedure based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement was adopted, and the Scopus database was used to query the relevant literature. A total of 66 publications qualified for inclusion in the survey: 29 articles report experimental investigations, 24 articles are related to numerical or theoretical analysis, and both approaches were used in 13 articles. Many papers deal with upper-room UVGI, AHUs, and ducts. A few papers analyse mobile devices. The evaluation of the dose, as in the case of the definition of irradiance, is reported in a small number of articles. This lack of information makes the scenario imprecise and non-quantitative.
    Type of Medium: Online Resource
    ISSN: 1996-1073
    URL: Article
    DOI: 10.3390/en16227569
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2437446-5
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  • 10
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    Online Resource
    49 Exposure Assessment and Health Surveys at Metal Additive Manufacturing Facilities
    Oxford University Press (OUP) ; 2023
    In:  Annals of Work Exposures and Health Vol. 67, No. Supplement_1 ( 2023-05-10), p. i90-i91
    Details
    In: Annals of Work Exposures and Health, Oxford University Press (OUP), Vol. 67, No. Supplement_1 ( 2023-05-10), p. i90-i91
    Abstract: Additive manufacturing (AM) is the process of building parts from 3D model data by joining materials. AM includes different techniques, such as binder jetting and powder bed fusion which uses metal powder as feedstock. Knowledge regarding exposure-related health risks in metal AM environments is still limited. Herein, we report emission data from 8 different AM companies along with health examinations of 39 controls and 48 additive manufacturing machine users (AMMU). Exposure assessment of dust and metals was performed through stationary and personal sampling of total and inhalable dust followed by metal analysis by ICP-MS. Two handheld particle-counting instruments, Lighthouse 3016-IAQ (0.3-10 µm) and Philips Aerasense NanoTracer (10-300 nm), were used to identify dusty work tasks and thereby to help prioritize preventive measures. Health examinations consisted of questionnaires, spirometry, blood sampling after a workweek and collection of urine samples before and after a workweek. Clinical markers in urine (α1-microglobulin) and plasma (ASAT, ALAT, ALP, ApoA-1, ApoB, SAA1/PON1), and urinary metal levels were analyzed. Results: Daily averages of dust and metal exposure were in general low compared to Swedish occupational exposure limits. However, particle counting instruments identified specific work tasks with high exposure risk. Mann Whitney U-test indicated statistical differences between exposed and controls for three clinical markers; ASAT and ApoA-1 in plasma as well as α-1-microglobulin in urine. There were no significant increase in exposure markers Monday to Friday nor between AMMU and controls at a group level. Although high exposure levels were seen in some individuals.
    Type of Medium: Online Resource
    ISSN: 2398-7308 , 2398-7316
    URL: Article
    DOI: 10.1093/annweh/wxac087.221
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
    detail.hit.zdb_id: 2003484-2
    detail.hit.zdb_id: 2885099-3
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