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This study examined the moderating influences of active social networks (ASN), sedentary social networks (SSN) and ASN lost on the relationship between neighbourhood walkability and social activity in community-dwelling older adults aged 60 years or more in Accra, Ghana. A total of 863 individuals participated after G*Power 3.1 was utilized to calculate the minimum sample size. We analysed the data with Pearson's correlation test and hierarchical linear regression models. A sensitivity analysis was conducted to select the ultimate confounding variables. The study found a positive influence of neighbourhood walkability on social activity after the covariate adjustment (β = 0.18; t = 5.2; p = 0.000). The positive influence of neighbourhood walkability on social activity was significantly reduced by ASN lost and SSN. ASN did not have a significant moderating influence on the primary relationship. The study concludes that the positive influence of walkable neighbourhoods on social activity decreases as SSN and ASN lost increase., (© The Author(s) 2021. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Aim: Understanding how the utilization of walkable neighbourhoods to reduce sedentary behaviour is affected by social and demographic factors is important. Therefore, this study examined the moderating influences of active social networks, sedentary social networks and active social networks lost on the association between neighbourhood walkability and sedentary behaviour. Subject and Methods: Twelve hundred community-dwelling older adults (≥60 years old) in Accra, Ghana, participated in this study. From these, 863 returned completed questionnaires on their social networks and sedentary behaviours and were incorporated into the analysis using Pearson's correlation and hierarchical linear regression (HLR) models controlling for confounding variables identified using sensitivity analysis. Results: Low neighbourhood walkability was associated with sedentary behaviour after controlling for confounders (β = –0.09; t = –2.7; p < 0.05). The negative influence of neighbourhood walkability on sedentary behaviour was significantly increased by the number of social network members independently of their activity levels. Conclusion: Low neighbourhood walkability was associated with sedentary behaviour, and older adults ought to constantly replenish or at least retain their social networks and active social networks in particular as they age to reduce sedentary behaviour. [ABSTRACT FROM AUTHOR]

This study aimed to assess the moderating influence of neighborhood walkability on the association between physical activity (PA) and mental health among older African academics aged 50 years or more in cities with social distancing protocols in response to the Coronavirus disease 2019 (COVID-19). A total of 905 volunteer academics participated in the study. A hierarchical linear regression analysis was employed to conduct sensitivity analyses and test the study hypotheses. After controlling for sex, education and age, there was a positive association between PA and mental health. Neighborhood walkability moderated the relationship between PA and mental health, which suggests that during the pandemic PA was associated with higher mental health scores in more walkable neighborhoods. The study concludes that PA was beneficial to mental health in the social distancing context and was associated with higher mental health in more walkable neighborhoods, particularly in a social distancing context. [ABSTRACT FROM AUTHOR]