ArticleScientific reports2024
Higher socioeconomic deprivation in areas predicts cognitive decline in New Zealanders without cognitive impairment.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Co-exploring how environments shape brain health through a planetary health lens: a photovoice study in Auckland, Aotearoa New Zealand.BMJ open · 2026Article
- Social determinants of brain structure and cognition.Social science & medicine (1982) · 2026Article
- Resilience and social support as correlates of dementia risk: insights from a biopsychosocial analysis of the All of Us dataset.Frontiers in public health · 2026Article
- A digital twin methodology using real patient data for sample size reduction in Alzheimer's disease randomized controlled clinical trials.medRxiv : the preprint server for health sciences · 2025Article
- Applications and implicit assumptions in dementia risk scores: A scoping review of the LIBRA score.Journal of Alzheimer's disease reportsReview
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Authors and funding
3 authors.
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Abstract
Previous studies identified individual-level socioeconomic factors as key determinants of cognitive health. This study investigated the effect of area-based socioeconomic deprivation on cognitive outcomes in midlife to early late-life New Zealanders without cognitive impairment at baseline. Data stemmed from a subsample of the New Zealand Health, Work and Retirement Study, a cohort study on ageing, who completed face-to-face interviews and were reassessed two years later. Cognitive functioning was measured using Addenbrooke's Cognitive Examination-Revised, adapted for culturally acceptable use in Aotearoa New Zealand. Area-based socioeconomic deprivation was assessed using the New Zealand Deprivation Index (NZDep2006). Linear mixed-effects models analysed the association between area-based socioeconomic deprivation and cognitive outcomes. The analysis included 783 participants without cognitive impairment at baseline (54.7% female, mean age 62.7 years, 25.0% Māori, the Indigenous people of Aotearoa New Zealand). There was an association between higher area-based socioeconomic deprivation and lower cognitive functioning (B = -0.08, 95%CI: -0.15;-0.01; p = .050) and cognitive decline (B = -0.12, 95%CI: -0.20;-0.04, p = .013) over two years, while controlling for covariates. The findings emphasise the importance of considering neighbourhood characteristics and broader socioeconomic factors in strategies aimed at mitigating cognitive health disparities and reducing the impact of dementia in disadvantaged communities.
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