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\"From street-markets and pop-up shops to art installations and Olympic parks, the temporary use of urban space is a growing international trend in architecture and urban design. Partly a response to economic and ecological crisis, it also claims to offer a critique of the status quo and an innovative way forward for the urban future. Cities in Time aims to explore and understand the phenomenon, offering a first critical and theoretical evaluation of temporary urbanism and its implications for the present and future of our cities. The book argues that temporary urbanism needs to be understood within the broader context of how different concepts of time are embedded in the city. In any urban place, multiple, discordant and diverse timeframes are at play - and the chapters here explore these different conceptions of temporality, their causes and their effects. Themes explored include how institutionalised time regulates everyday urban life, how technological and economic changes have accelerated the city's rhythms, our existential and personal senses of time, concepts of memory and identity, virtual spaces, ephemerality and permanence\"-- Provided by publisher.

Objective This study examines the relationship between telecommuting and gender inequalities in parents' time use at home and on the job before and during the COVID‐19 pandemic. Background Telecommuting is a potential strategy for addressing the competing demands of work and home and the gendered ways in which they play out. Limited evidence is mixed, however, on the implications of telecommuting for mothers' and fathers' time in paid and unpaid work. The massive increase in telecommuting due to COVID‐19 underscores the critical need to address this gap in the literature. Method Data from the 2003–2018 American Time Use Survey (N = 12,519) and the 2020 Current Population Survey (N = 83,676) were used to estimate the relationship between telecommuting and gender gaps in parents' time in paid and unpaid work before and during the pandemic. Matching and quasi‐experimental methods better approximate causal relationships than prior studies. Results Before the pandemic, telecommuting was associated with larger gender gaps in housework and work disruptions but smaller gender gaps in childcare, particularly among couples with two full‐time earners. During the pandemic, telecommuting mothers maintained paid work to a greater extent than mothers working on‐site, whereas fathers' work hours did not differ by work location. Conclusion In the context of weak institutional support for parenting, telecommuting may offer mothers a mechanism for maintaining work hours and reducing gender gaps in childcare, while exacerbating inequalities in housework and disruptions to paid work.

Background Time spent in sleep, sedentary behaviour (SB), and physical activity are exhaustive and mutually exclusive parts of a 24-h day that need to be considered in a combination. The aim of this study was to identify validated self-reported tools for assessment of movement behaviours across the whole 24-h day, and to review their attributes and measurement properties. Methods The databases PubMed, Scopus, and SPORTDiscus were searched until September 2023. Inclusion criteria were: (i) published in English language, (ii) per-reviewed paper, (iii) assessment of self-reported time spent in sleep, SB, and physical activity, (iv) evaluation of measurement properties of all estimates across the full 24-h day, and (v) inclusion of adolescents, adults, or older adults. The methodological quality of included studies was assessed using the Consensus-based Standards for the selection of health Measurement Instruments checklist. Results Our search returned 2064 records. After studies selection, we included 16 articles that reported construct validity and/or test-retest reliability of 12 unique self-reported tools – eight questionnaires, three time-use recalls, and one time-use diary. Most tools enable assessment of time spent in sleep, and domain-specific SB and physical activity, and account that sum of behaviours should be 24 h. Validity (and reliability) correlation coefficients for sleep ranged between 0.22 and 0.69 (0.41 and 0.92), for SB between 0.06 and 0.57 (0.33 and 0.91), for light-intensity physical activity between 0.18 and 0.46 (0.55 and 0.94), and for moderate- to vigorous-intensity physical activity between 0.38 and 0.56 (0.59 and 0.94). The quality of included studies being mostly fair-to-good. Conclusions This review found that only a limited number of validated self-reported tools for assessment of 24-h movement behaviours are currently available. Validity and reliability of most tools are generally adequate to be used in epidemiological studies and population surveillance, while little is known about adequacy for individual level assessments and responsiveness to behavioural change. To further support research, policy, and practice, there is a need to develop new tools that resonate with the emerging 24-h movement paradigm and to evaluate measurement properties by using compositional data analysis. Systematic review registration PROSPERO CRD42022330868.

Abstract Study Objectives Bedtime procrastination (BP) is defined as going to bed later than intended despite absence of external reasons. This study investigated sleep and psychological factors associated with BP in young adults, and further compared how high and low BP groups spend their time over 24 h and also 3 h prior to bedtime using time use surveys. Methods Young adults (N = 106) from the community were classified as either high (n = 54) or low (n = 52) BP group based on the Bedtime Procrastination Scale. All participants were asked to complete questionnaires on insomnia, depression, anxiety, stress, and chronotype, in addition to keeping a 7-day sleep diary and completing time use surveys over 48 h. Results Participants were 61.3% female, mean age 22.7 (±2.89) years old. Individuals in the high BP group reported significantly more depression, anxiety, and insomnia, went to bed later, woke up later, and had more eveningness tendencies compared to the low BP group. Results from the time use surveys revealed that the high BP group spent significantly more time engaging in leisure and social activity with the majority of time spent using media over 24 h compared to the low BP group. Finally, the high BP group spent on average approximately 451% (or 61 min) more time per day on their smartphone 3 h prior to bedtime compared to the low BP group. Conclusions Our results suggest that BP is negatively associated with sleep and mood, and should be considered a serious health-interfering behavior.

Using time diary evidence on change in the frequency and distribution of activities from UK time diary data over the 15 years from the turn of the 21st century, we assess whether the thesis of ‘the speed-up society’ is manifested in an increase in time intensity in people’s daily lives. Comparing indictors like time fragmentation, multitasking and ICT use, to respondents’ reports of how rushed they normally feel, we find no evidence that time pressure is increasing, or that ICT use is associated with greater feelings of time pressure. Rather, we find consistent cross-sectional differentials in our measures of time intensity by gender and occupational status, supporting the idea of relative stasis in the underlying social inequalities of time. These findings are consistent with previous research based on time use data, and we pose them as a challenge to theories of societal speed-up.

Purpose The purpose of this paper is to analyze the time-allocation decisions of individuals who work from home (i.e. teleworkers), and compare them with their commuter counterparts. Design/methodology/approach Using data from the American Time Use Survey for the years 2003–2015, the authors analyze the time spent working, and the timing of work, of both commuters and teleworkers. Findings Results show that teleworkers devote 40 percent less time to market work activities than do commuters, and less than 60 percent of teleworkers work at “regular hours,” vs around 80 percent of their commuter counterparts. Using information from the Well-being Module for the years 2012 and 2013, the authors find that male teleworkers experience lower levels of negative feelings while working than do commuters. Originality/value This paper addresses the timing of work of workers working from home; and the instant well-being experienced, exploiting information at diary level.

Sleep, sedentary behaviour (SB), and physical activity are among key behavioural determinants of health. There is a need to evaluate questionnaires that capture movement behaviours across the full 24-h day. The aim of this study was to examine the measurement properties of the Daily Activity Behaviours Questionnaire (DABQ), a novel questionnaire (with a past seven-day recall period) for estimating the time spent in sleep, SB, light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA) among adults. A sample of 126 adults was recruited. DABQ was administered to the participants on two occasions seven days apart to examine its test-retest reliability. The convergent validity of DABQ estimates was explored against activPAL4 accelerometer/inclinometer estimates. Intraclass correlation coefficients for absolute agreement and consistency between the times spent in sleep, SB, LPA, and MVPA estimated by DABQ in the test and re-test ranged from 0.59 to 0.69. Spearman’s correlations between the times spent in sleep, SB, LPA, and MVPA estimated by DABQ and activPAL4 ranged from 0.38 to 0.66. In terms of reliability and validity, DABQ is comparable with existing questionnaires; however, it has an important advantage of enabling a comprehensive assessment of all four 24-h movement behaviours. The measurement properties of DABQ make it suitable for large-scale epidemiological studies on 24-h movement behaviours.

It is commonly claimed that ubiquitous connectivity erodes the boundaries that once separated work from other aspects of life. Mobile devices in particular enable people to perform work-related activities anytime anywhere. Surprisingly, however, we know little about how people nationwide organise their daily working time over a period that has witnessed rapid technological change. Using the United Kingdom Time Use Surveys 2000 and 2015, covering this period of technological change, we studied work extension practices, and the links between work extension, total work hours and subjective time pressure. We found a significant, though small, increase in work extension, and evidence that it was significantly associated with time pressure in 2015, but not in 2000. Additionally, work extension increased total work hours, which was concentrated entirely in time working with a mobile device. We discuss our results in light of some taken-for-granted narratives about mobile devices allowing work to colonise life.

Objective This study examines whether—and if so how—gender composition of children matters for mothers' and fathers' well‐being during parenting activities. Background Despite that parents interact with girls and boys differently and spend different amounts of time with them, scholars have paid little attention to how gender composition of children matters for parental well‐being. Method The study assessed parental well‐being during time spent with children, across four measures of subjective well‐being (N = 16,140 activities, 8,621 parents), pooled across three survey waves (2010, 2012, and 2013) from the American Time Use Survey Well‐being Module. Random intercept models were used to account for the multilevel structure of the data. Results For both mothers and fathers, gender composition of children was not associated with different levels of happiness or meaning while parenting. However, fathers reported greater stress parenting all girls and mixed‐gender children (i.e., girl/s and boy/s at the same time) compared to parenting all boys. Mothers reported greater fatigue and stress parenting all girls, compared to parenting all boys. Controlling for activity type explained some of the stress patterns. Conclusion This study, which is contextualized in broader literature on gender stereotypes, interactional processes, and time‐use, makes several contributions to research on gender, family, and health and identifies an important factor—gender composition of children—that helps shape mothers' and fathers' well‐being while parenting.

Using data from the 2003—2007 American Time Use Surveys (ATUS), we compare mothers' (N = 6,640) time spent in four parenting activities across maternal education and child age subgroups. We test the hypothesis that highly educated mothers not only spend more time in active child care than less-educated mothers but also alter the composition of that time to suit children's developmental needs more than less-educated mothers. Results support this hypothesis: not only do highly educated mothers invest more time in basic care and play when youngest children are infants or toddlers than when children are older, but differences across education groups in basic care and play time are largest among mothers with infants or toddlers; by contrast, highly educated mothers invest more time in management activities when children are 6 to 13 years old than when children are younger, and differences across education groups in management are largest among mothers with school-aged children. These patterns indicate that the education gradient in mothers' time with children is characterized by a \"developmental gradient.\"