Browsing by Author "Dikken, Jeroen"

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Perspectives of older people on environmental sustainability: A cross-cultural validation study between five countries
(Elsevier, 2024) Dikken, Jeroen; Kazak, Jan K.; Ivan, Loredana; Ayalon, Liat; Pavlovski, Daniel; Perek-Białas, Jolanta M.; Hoof, Joost van
The global agenda to move societies towards a more sustainable course of development also affects the lives of older people in our ageing populations. Therefore, it is important to understand the drivers, intentions and behaviours concerning sustainability among older adults. The aim of this study is to translate and cross-culturally validate an existing instrument (SustainABLE-16 Questionnaire), developed in the Netherlands, which measures how older people view the theme of environmental sustainability in their daily lives, for use in Romania, Poland, North Macedonia and Israel. The SustainABLE-16 covers three domains: 1) Pro-environmental behaviours; 2) Financial position; and 3) Beliefs. The scale was translated in Romanian, Polish, Macedonian, Albanian and Hebrew. Its 16 items were appraised for relevance by older people and experts in the field. A total of 2299 older people, including the original Dutch respondents, were included for the assessment of the level of measurement invariance across six languages, spoken in five countries. As the initial validation of the SustainABLE-16 did not meet internationally-recognised fit requirements, the shorter SustainABLE-8 was validated instead. This instrument proved valid for use in all participating countries (configural validity). Subsequently, increasingly constrained structural equation models were applied to test their fit with the data, ensuring that the fit did not deteriorate. The test results of measurement invariance across the countries indicated that items were stable, achieving partial scalar invariance, with five items demonstrating full scalar invariance. The shorter SustainABLE-8 functions uniformly across all language groups and can, therefore, be used to evaluate sustainable practices among older people. A better understanding of the drivers and practices among older citizens across Europe could, in turn, feed into more fitting public policies on sustainability in the built environment.
Unveiling the experienced age-friendliness of older people in Bucharest: A comprehensive study using the validated Romanian age-friendly cities and communities questionnaire and cluster analysis
(Elsevier, 2024) Ivan, Loredana; Dikken, Jeroen; Hoof, Joost van
Current global trends show that different regions of the globe face an increased level of urbanization, and there is a swift aging process from the Western to the Eastern European countries. Romania is a typical country expecting to triple the percentage of the older population aged 65 and over in the next 30 years. Urban policies often neglect such demographic perspectives. The World Health Organization launched the age-friendly city and communities' movement that proposes solutions for older people to age actively by improving their welfare and social participation. The concept of an age-friendly city comprised eight dimensions: (1) outdoor spaces and buildings; (2) transportation; (3) housing; (4) social participation; (5) respect and social inclusion; (6) civic participation and employment; (7) communication and information; and (8) community support and health services. It raises some important questions about how to measure and evaluate urban policies in this framework. Current work presents the process of adaptation and validation for the Romanian older population of a standardized tool - the Age-Friendly Cities and Communities Questionnaire (AFCCQ). The validation study was conducted in Bucharest (n = 424) on a representative sample of older people, who were asked to rate their life in the city, following the eight dimensions and an additional one regarding their financial situation. Four clusters were differentiated in the analysis, resulting in different views of older adults on their experience of living in the city, showing that people's socio-economic status, their living arrangements and health situation play a role in shaping their views on city life. The results highlight the importance of standardized tools to design urban policies following an age-friendly agenda.