Relation between occupants' health problems, demographic and indoor environment subjective evaluations: A cross-sectional questionnaire survey study in Java Island, Indonesia.
TL;DR: In this article, a cross-sectional design study through a questionnaire survey with 443 respondents aged between 12 and 81 years was conducted to evaluate the link between health problems, demographic factors, and the indoor environment quality of residents in Indonesia.
Abstract: This study aimed to evaluate the link between health problems, demographic factors, and the indoor environment quality of residents in Indonesia. We conducted a cross-sectional design study through a questionnaire survey with 443 respondents aged between 12 and 81 years. The questionnaire was concerned with previous health problem occurrences associated with thermal discomfort experiences, indoor environments, economic conditions, and basic anthropometric factors. Logistic regression with the odds ratio (OR) was applied to evaluate the tendency of different respondent groups to suffer from certain health problems, when compared to reference groups. Furthermore, structural equation modelling (SEM) was used to incorporate certain factors (economic conditions, thermal discomfort experiences, and perceived indoor environments) into a single model to understand their direct and indirect effects on health conditions. The results indicate that economic conditions are the most significantly associated with health problems. Furthermore, we found that the low-income group was the most vulnerable to health problems, including coughing, puking, diarrhoea, odynophagia, headaches, fatigue, rheumatism, fidgeting, skin rashes, muscle cramps, and insomnia (OR: 1.94-6.04, p <0.05). Additionally, the SEM suggested that the respondents' economic conditions and thermal discomfort experiences had significant direct effects on their health problems with standardized estimates of -0.29 and 0.55, respectively. Additionally, perceived indoor environment quality, which is possible to cause thermal discomfort experience, indirectly affect health problems. These findings contribute an insightful and intuitive knowledge base which can aid health assessments associated with demographic and physical environments in developing sustainable and healthy environment strategies for the future.
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TL;DR: This article investigated children's perceptions and adaptive behaviors related to indoor thermal conditions of classrooms in primary schools with no air-conditioning systems during both summer and winter in Dehradun City, Uttarakhand, India.
Abstract: This study investigated children’s perceptions and adaptive behaviors related to indoor thermal conditions of classrooms in primary schools with no air-conditioning systems during both summer and winter in Dehradun City, Uttarakhand, India. Responses were collected from 5297 school children aged 6–13 years. During the measurement periods, 100% and 94% of the samples were obtained under conditions outside an 80% thermally acceptable comfort range in winter and summer, respectively. The analysis using receiver operating characteristics suggested that the students had the least sensitivity to the temperature variation for all scales of the thermal sensation vote (TSV). Approximately 95.1% of students were “very satisfied”, “satisfied”, or “slightly satisfied” with the thermal conditions under the condition of “extreme caution” or “danger” of heat risk. In contrast, adaptive thermal behaviors, such as adjusting clothing insulation ensembles, opening or closing classroom windows and doors, and utilizing ceiling fans, were found to be the most affordable options for optimizing indoor thermal comfort. Children’s reports of thermal sensations and thermal satisfaction did not correspond to the actual physical environment. This draws attention to the adequacy of applying widely used methods of TSV-based identification of the thermal comfort range in classrooms for children, especially in hot environments. The findings of this study are expected to serve as an evidence-based reference for local governments and authorities to take appropriate measures to mitigate heat risks for schoolchildren in the future.
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TL;DR: In this paper , the authors investigated dampness and mould growth in low-cost dwellings in the slum districts of Surakarta, Indonesia, by employing a set of time series data of indoor air temperature and relative humidity.
Abstract: Prolonged exposure to indoor dampness in dwellings triggers excessive mould, causing health problems for residents and damage to building structures. This study investigated dampness and mould growth in low-cost dwellings in the slum districts of Surakarta, Indonesia. A VTT mould growth model predicted mould risk in 17 dwellings by employing a set of time-series data of indoor air temperature and relative humidity (RH). Interviews were conducted with 11 houses to understand the residents’ perceptions and lifestyles related to mould risk. The daily average dampness (RH > 80%) ranged from 2.2 to 12.3 h. Low-cost dwellings with plywood board walls had a high risk of cumulative mould growth. Statistical correlation analysis revealed that volumetric heat capacity was significantly positively correlated with mould growth at higher percentiles (75th and 97.5th). Thus, dwellings with smaller volumes and plywood board walls were more susceptible to moulding. Moreover, the majority of the participants expressed dissatisfaction with indoor air quality owing to the presence of unpleasant odours from sewage and dampness, which coincided with their perception of inadequate air ventilation. This study provides a reference for developing standard guidelines for building and upgrading dwellings in Indonesia, focusing on assessing and mitigating mould risks and ensuring moisture safety.
TL;DR: In this paper , the authors examined the relationship between residents' mental stress, indoor environment quality (IEQ), preventive behaviors, and socioeconomic status (SES) in Indonesia by using a cross-sectional study with a questionnaire survey in Indonesia.
Abstract: The outbreak of the SARS-CoV-2 virus forced people to work from home. This study aimed to examine the relationship between residents' mental stress, indoor environment quality (IEQ), preventive behaviors, and socioeconomic status (SES) in Indonesia by using a cross-sectional study with a questionnaire survey in Indonesia. A total of 1004 valid responses were obtained during the survey during the COVID-19 pandemic period (November-December 2021). Logistic regression and odds ratio (OR) was used to evaluate the association between the possibility of mental stress and sleeplessness relying on the classified group of income, education, and age. In addition, a structural equation model (SEM) was used to analyze the inter-relationship between these characteristics and their effects on mental stress and sleeplessness as a crisis variable. The results indicate that mental stress was more inclined among low-income households during the COVID-19 pandemic than middle-up and high-income groups, with OR = 0.48 and 0.50, respectively. Moreover, the SEM suggested that SES also had significant direct effects (p-value < 0.05) on preventive behaviors (ω = 0.105), IEQ (ω =0.102), and crisis (ω = −0.237). It evidenced that the higher socioeconomic levels could have less possibility of experiencing a crisis. The findings of this study could add to practical implications that support the researchers and public policy stakeholders in mitigating the long-term effect of COVID-19 in Indonesia related to mental health and indoor environments.
TL;DR: Wang et al. as mentioned in this paper combined the elderlyfriendly post-use evaluation theory with the specific context of traditional residential buildings in typical Tujia ancient towns in the Western Hunan region, namely, Furong, Liexi, Xichehe, and Liye.
Abstract: This exploratory study combines the elderly-friendly post-use evaluation theory with the specific context of traditional residential buildings in typical Tujia ancient towns in the Western Hunan region, namely, Furong, Liexi, Xichehe, and Liye. A post-use low satisfaction evaluation model of traditional residential buildings in ancient towns was constructed, and the importance ranking of evaluation factors, along with the importance analysis of secondary indicators, was discussed using statistical methods. The subjective evaluations of elderly residents in different ancient towns toward the living environment and the importance ranking of factors for low satisfaction were examined. The findings of this study showed that we should focus on safety, convenience, health, privacy, belonging and cultural factors, and factors influencing sustainable livability for improving the quality of life of elderly residents in Tujia ancient towns in Western Hunan. Finally, the study proposes targeted improvement strategies to guide the construction of elderly-friendly environments in Tujia ancient towns and provide a reference for low satisfaction evaluations of ancient towns in similar economically underdeveloped areas.
TL;DR: In this article , the authors proposed that leader instigated task conflict promotes job crafting behaviors of employees by considering attributions regarding leader-instigated conflict as a mechanism for this relationship.
Abstract: The role of leaders in conflict management remains the favorite area of researchers. This study aims to introduce a unique role of leaders in conflict named as leader instigated task conflict. We proposed that leader instigated task conflict promotes job crafting behaviors of employees by considering attributions regarding leader instigated conflict as mechanism for this relationship. Data were collected from 247 employees working in teams in marketing departments of different organizations across Pakistan. Data analyses was conducted through multilevel structural equation modeling. Findings revealed that leader instigated task conflict is positively related to promotion-focused job crafting and negatively related to prevention-focused job crafting via the mediating role of constructive conflict instigation attribution and destructive conflict instigation attribution respectively. The current study contributes to the literature on conflict by suggesting that leaders can be a source of task based conflict to achieve its positive outcomes. However, employee attributions play a vital role in achieving the positive outcomes of leader instigated task conflict, hence leaders must be careful about shaping constructive attributions of followers regarding their conflict instigation behavior in order to promote constructive behavioral responses of employees.
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TL;DR: The debate is attempted to shift the debate from questions about whether poverty is associated with CMD in LMIC, to questions about which particular dimensions of poverty carry the strongest (or weakest) association.
992 citations
TL;DR: This review examines the current knowledge of water intake as it pertains to human health, including overall patterns of intake and some factors linked with intake, the complex mechanisms behind water homeostasis, and the effects of variation in water intake on health and energy intake, weight, and human performance and functioning.
Abstract: This review examines the current knowledge of water intake as it pertains to human health, including overall patterns of intake and some factors linked with intake, the complex mechanisms behind water homeostasis, and the effects of variation in water intake on health and energy intake, weight, and human performance and functioning. Water represents a critical nutrient, the absence of which will be lethal within days. Water's importance for the prevention of nutrition-related noncommunicable diseases has received more attention recently because of the shift toward consumption of large proportions of fluids as caloric beverages. Despite this focus, there are major gaps in knowledge related to the measurement of total fluid intake and hydration status at the population level; there are also few longer-term systematic interventions and no published randomized, controlled longer-term trials. This review provides suggestions for ways to examine water requirements and encourages more dialogue on this important topic.
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TL;DR: This mini-review concisely summarizes the present state of knowledge about human temperature regulation and aging in thermoneutral conditions, as well as during hypo- and hyperthermic challenges, and examines the altered physiological responses to cold stress that result from aging.
Abstract: This mini-review focuses on the effects of aging on human temperature regulation. Although comprehensive reviews have been published on this topic (Kenney WL. Exercise and Sport Sciences Reviews, Baltimore: Williams & Wilkins, 1997, p. 41-76; Pandolf KB. Exp Aging Res 17: 189-204, 1991; Van Someren EJ, Raymann RJ, Scherder EJ, Daanen HA, and Swaab DF. Ageing Res Rev 1: 721-778, 2002; and Young AJ. Exp Aging Res 17: 205-213, 1991), this mini-review concisely summarizes the present state of knowledge about human temperature regulation and aging in thermoneutral conditions, as well as during hypo- and hyperthermic challenges. First, we discuss age-related effects on baseline body core temperature and phasing rhythms of the circadian temperature cycle. We then examine the altered physiological responses to cold stress that result from aging, including attenuated peripheral vasoconstriction and reduced cold-induced metabolic heat production. Finally, we present the age-related changes in sweating and cardiovascular function associated with heat stress. Although epidemiological evidence of increased mortality among older adults from hypo- and hyperthermia exists, this outcome does not reflect an inability to thermoregulate with advanced age. In fact, studies that have attempted to separate the effects of chronological age from concurrent factors, such as fitness level, body composition, and the effects of chronic disease, have shown that thermal tolerance appears to be minimally compromised by age.
399 citations
TL;DR: Health risks from indoor air pollution are likely to be greatest in cities in developing countries, especially where risks associated with solid fuel combustion coincide with risk associated with modern buildings.
Abstract: Indoor air pollution is ubiquitous, and takes many forms, ranging from smoke emitted from solid fuel combustion, especially in households in developing countries, to complex mixtures of volatile and semi-volatile organic compounds present in modern buildings. This paper reviews sources of, and health risks associated with, various indoor chemical pollutants, from a historical and global perspective. Health effects are presented for individual compounds or pollutant mixtures based on real-world exposure situations. Health risks from indoor air pollution are likely to be greatest in cities in developing countries, especially where risks associated with solid fuel combustion coincide with risk associated with modern buildings. Everyday exposure to multiple chemicals, most of which are present indoors, may contribute to increasing prevalence of asthma, autism, childhood cancer, medically unexplained symptoms, and perhaps other illnesses. Given that tobacco consumption and synthetic chemical usage will not be declining at least in the near future, concerns about indoor air pollution may be expected to remain.
331 citations
TL;DR: Because many older adults have several factors from different domains affecting their sleep, these complaints are best approached as a multifactorial geriatric health condition, necessitating a multifaceted treatment approach.
196 citations