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PurposeThis study aims to analyse the potential confounding and moderator role of job satisfaction on the effect of working hours on self-perceived health and to analyse the effect of transitions between working hours and job satisfaction.Design/methodology/approachUsing longitudinal data for the Catalan economy in 2005–2009, first, it runs a linear probability random effects model, with self-perceived health as the dependent variable, on one-year lagged job satisfaction, working hours and its interaction. Second, it estimated an ordered logit model to test the effect of transitions to working hours and different levels of job satisfaction on self-perceived health.FindingsShort working hours ≤ 20 h/w predict good self-perceived health for women. Long working hours 41–47 h/w predict poor self-perceived health among men and women but not for very long hours ≥ 48 h/w. Interaction effects between working 41–47 h/w and job satisfaction levels were found for men and women. Improvements in job satisfaction for health are reduced when working long hours. For employees, a decrease in job satisfaction may suggest a health risk except if hours also reduce.Social implicationsWorkplace practices aimed at gaining flexibility in working hours may be offset, in terms of health outcomes, by lower job satisfaction. Flexible working hours from the employees' side should be favoured to face reductions in job satisfaction.Originality/valueThe novelty of this paper is that highlights differential effect of job satisfaction in the relation between working hours and health status.

Objective: We aim to estimate the association between working hour mismatches and mental well-being. We also investigate the confounding and moderating role of job quality in this association. - Methods : We use cross-sectional data from the European Working Conditions Survey of 2015 in the analysis. The sample includes 9345 male and 10,998 female employees in 28 countries. We run a multilevel linear regression accounting for the clustering of countries with mental well-being assessed by the World Health Organization Index. We compute mismatches in working hours as the difference between desired and actual hours of work, categorized as underemployed, unconstrained, and overemployed. The main dependent variable is the combination of these mismatches for each of the following working schedules: ≤ 20; 21-34; 35-40; 41-47; and ≥ 48 h/week (h/w). - Results : The adverse association of short and long hours with well-being is mostly attributable to mismatches in working hours (except for men in the 41-47 h/w group). Once we adjust for job quality, overemployed men ≥ 48 h/w experience a reduction in mental well-being of − 5.2 (95 CI % − 7.04 to − 3.76) with respect to the unconstrained base category 35-40 h/w. Overemployed women experience a reduction in mental well-being ranging from − 4.94 (95 CI % − 6.54 to − 3.34) in the ≥ 48 h/w schedule to − 11.11 (95 CI % − 17.35 to − 4.87) in the ≤ 20 h/w schedule. We observe a confounding role of job quality across most working hour schedules, but the interaction effects are modest. Conclusion Employee control over working hours is associated with mental well-being with differences by gender. Labour policies aimed at promoting flexibility on the employee side could be favoured to improve workers' mental well-being.

Background: Car-dependent city planning has resulted in high levels of environmental pollution, sedentary lifestyles and increased vulnerability to the effects of climate change. The Barcelona Superblock model is an innovative urban and transport planning strategy that aims to reclaim public space for people, reduce motorized transport, promote sustainable mobility and active lifestyles, provide urban greening and mitigate effects of climate change. We estimated the health impacts of implementing this urban model across Barcelona. Methods: We carried out a quantitative health impact assessment (HIA) study for Barcelona residents ≥20 years (N = 1,301,827) on the projected Superblock area level (N = 503), following the comparative risk assessment methodology. We 1) estimated expected changes in (a) transport-related physical activity (PA), (b) air pollution (NO2), (c) road traffic noise, (d) green space, and (e) reduction of the urban heat island (UHI) effect through heat reductions; 2) scaled available risk estimates; and 3) calculated attributable health impact fractions. Estimated endpoints were preventable premature mortality, changes in life expectancy and economic impacts. Results: We estimated that 667 premature deaths (95% CI: 235-1,098) could be prevented annually through implementing the 503 Superblocks. The greatest number of preventable deaths could be attributed to reductions in NO2 (291, 95% PI: 0-838), followed by noise (163, 95% CI: 83-246), heat (117, 95% CI: 101-137), and green space development (60, 95% CI: 0-119). Increased PA for an estimated 65,000 persons shifting car/motorcycle trips to public and active transport resulted in 36 preventable deaths (95% CI: 26-50). The Superblocks were estimated to result in an average increase in life expectancy for the Barcelona adult population of almost 200 days (95% CI: 99-297), and result in an annual economic impact of 1.7 billion EUR (95% CI: 0.6-2.8). Discussion: The Barcelona Superblocks were estimated to help reduce harmful environmental exposures (i.e. air pollution, noise, and heat) while simultaneously increase PA levels and access to green space, and thereby provide substantial health benefits. For an equitable distribution of health benefits, the Superblocks should be implemented consistently across the entire city. Similar health benefits are expected for other cities that face similar challenges of environmental pollution, climate change vulnerability and low PA levels, by adopting the Barcelona Superblock model. ; We would like to thank Maria Foraster for helpful advice on the noise analyses and Glòria Carrasco for taking the pictures of the Sant Antoni Superblock. JB gratefully acknowledges funding from the European Union's Horizon 2020 research and innovation programme under grant agreements No 727852 (project Blue-Action), 730004 (project PUCS) and 737480 (Marie Sklodowska-Curie fellowship ACCLIM). The climate-fit. city is developed as part of the PUCS project, which has received funding from the European Union's H2020 Research and Innovation Programme under Grant Agreement No. 73004.