Hot instantaneous temperature and affect : meaningful activities as a buffer for older adults with low socioeconomic status

Lin, Zhixuan and Chin, David C. W. and Fung, Helene H. and Lay, Jennifer C. and Tse, Dwight C. K. (2023) Hot instantaneous temperature and affect : meaningful activities as a buffer for older adults with low socioeconomic status. Innovation in Aging, 7 (6). igad057. ISSN 2399-5300 (https://doi.org/10.1093/geroni/igad057)

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Abstract

Background and Objectives Extremely hot temperature affects psychological well-being negatively, especially for older adults with lower socioeconomic status (SES). The objectives of this study are to examine: (a) the impact of hot instantaneous temperature on older adults’ emotional well-being and (b) whether meaningful engagement could reduce the above impact, particularly for those of lower SES. Research Design and Methods We conducted a quantitative time-sampling study during hot-weather months (May–September) in 2021 and 2022. The sample comprises 344 participants aged 60 years or older (Mage = 67.15, SDage = 5.26) living in urban areas of Hong Kong, where hot days (daily maximum temperature ≥33°C) accounted for 23% of the study days. Participants reported positive and negative affect, and engagement in meaningful activities, three times a day over a 10-day period, and wore sensors that tracked the instantaneous temperature of their immediate environment. Multilevel modeling was employed to examine the impacts on affect from temperature, SES, and meaningful activity engagement. Results Hotter instantaneous temperature predicted greater momentary negative affect and less positive affect immediately afterwards. Meaningful engagement significantly buffered against the affective impacts of hotter temperature, and this buffering effect was more salient among older adults of lower SES. Discussion and implications This study highlights the role of meaningful engagement in reducing the impact of hotter instantaneous temperature on older adults’ emotional well-being, particularly for those of lower SES. Meaningful activity engagement may be capitalized on, as a strategy, to reduce climate-related social inequality.

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