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By 2050, it's projected that the elderly population will make up approximately 14% of the global populace. United Nations forecasts indicate a notable increase in the average age of Iran's population, expected to rise from 29.5%–49.4% by 2100, presenting significant societal and environmental challenges for the future. Given this demographic shift, addressing the implications of an aging population in Iran is paramount, underscoring the necessity for a socio-ecological approach. This experimental study seeks to explore the effects of green gardens on the mental well-being of the elderly, employing practical experience and a socio-ecological perspective. The study cohort consisted of elderly individuals residing in eldercare facilities in Kermanshah city, located in western Iran. Utilizing a purposive sampling method, 80 individuals were carefully selected and included in the study. Participants were then randomly divided into two groups: an experimental group (n = 40) and a control group (n = 40), ensuring demographic homogeneity. Adopting a quasi-experimental research design with pre-test/posttest measures and a control group, data were gathered through the Geriatric Anxiety Inventory (GAI) questionnaire. The results revealed statistically significant differences in anxiety variables—cognitive (p < .01, d = 0.78), arousal (p < .01, d = 1.64), and somatic (p < .01, d = 0.85) aspects—both before and after the implementation of green garden initiatives in eldercare facilities among the experimental group. Conversely, no significant changes were observed in these variables within the control group before and after the intervention. The practical application of the socio-ecological approach has the potential to strengthen the connection between the elderly and their environment, leading to substantial changes in human resources concerning psychological characteristics and contributing to the development of green spaces in urban areas. This research provides valuable insights into addressing the health and well-being of the aging population through socio-ecological interventions. Furthermore, this study has practical and theoretical implications by addressing urban agriculture practices. Overall, this study contributes to urban agriculture practice on one hand and has a significant impact on the health of the elderly on the other hand.
Gholami et al. (Tue,) studied this question.