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Neighborhood environments and intrinsic capacity interact to affect the health-related quality of life of older people in New Zealand

      Highlights

      • The WHO framework for healthy aging focusses attention on the interaction between intrinsic capacity and environments of aging.
      • Neighborhood environmental factors are related to the physical and mental health of older people.
      • Neighborhood access to facilities and social cohesion are related to changes in mental health over two years.
      • Neighborhood access to facilities interacts with intrinsic capacity to predict changes in physical health over two years.

      Abstract

      Objectives

      Following the WHO 2015 policy framework, we tested the effects of older people’s intrinsic capacity and their perceptions of their neighborhood environments on mental and physical health-related quality of life (QoL) outcomes across two years.

      Study design

      Participants (mean age = 66) were drawn from two waves of a longitudinal study of aging (n = 2910) in 2016 and 2018. Regression analyses tested the main and interaction effects of intrinsic capacity and neighborhood factors on health-related QoL at T2 (controlling for T1).

      Main outcome measures

      Intrinsic capacity was assessed with number of chronic conditions. Neighborhood perceptions was assessed with measures of housing suitability, neighborhood satisfaction, and neighborhood social cohesion. Health-related QoL was assessed with SF12 physical and mental health component scores.

      Results

      Perceptions of greater neighborhood accessibility and more trust among neighbours were associated with better mental health-related QoL two years later, but not to changes in physical health-related QoL. A significant interaction between intrinsic capacity and neighborhood access to facilities on physical health-related QoL over time showed that those reporting lower neighborhood access experienced a stronger impact of intrinsic capacity on physical health-related QoL.

      Conclusions

      The neighborhood environment is important to the wellbeing of older people and is amenable to policy interventions. We need more work on the aspects of the immediate environment that support QoL in older age. This study points to the need for accessible facilities and cohesive neighborhoods to support health.

      Keywords

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