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Peer-reviewedCC BY-NC-ND 4.0Aging Clinical and Experimental Research

Association between the Chinese version of the Mediterranean-DASH intervention for Neurodegenerative Delay diet and BADL/IADL disability among older adults in China: a nationwide survey

  • Yandi Fu1
  • Ziyi Chen2
  • Xiaoyan Lv3
  • Shiwei Cao4
  • Li Zeng5
  • Fangyi Yang6
  • Jingyi Shao4
  • Qian Zhang4
  • Anchao Song3
6 affiliations
  1. 1Faculty of Paediatrics, Chongqing Medical University, Chongqing, 400016 China
  2. 2College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, 400016 China
  3. 3College of Public Health, Chongqing Medical University, Chongqing, 400016 China
  4. 4The Second Clinical College, Chongqing Medical University, Chongqing, 400016 China
  5. 5School of Mathematics and Statistics, Chongqing Technology and Business University, Chongqing, 400067 China
  6. 6College of Life Sciences, Sichuan University, Chengdu, 610065 China
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Abstract

Background: Disability is a major challenge affecting older adults’ quality of life. Although the Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) diet has been shown to protect against functional disability in Western populations, its applicability across different cultural and diet contexts remains insufficiently validated. Therefore, this study aimed to investigate the association between the Chinese MIND (cMIND) diet and Basic/Instrumental Activities of Daily Living (BADL/IADL) disability. Methods: Using cross-sectional data from the 2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS), cMIND scores were categorized into Q1 (0–4), Q2 (4–5), Q3 (5–6.5), and Q4 (≥ 6.5). Potential confounders were identified using a directed acyclic graph (DAG). Logistic regression was employed to analyze the association between the cMIND diet and BADL/IADL disability. Restricted Cubic Splines (RCS) were used to assess linearity, alongside subgroup, interaction, and sensitivity analysis. Results: Among 9,511 participants, the prevalence of disability in BADL and IADL was 23.74% and 57.95%, respectively. In logistic regression, participants with a cMIND diet score in Q2 compared to those in Q1 had lower odds of BADL disability (OR = 0.821, 95% CI: 0.676–0.999), and participants with a cMIND diet score in Q2-Q4 compared to those in Q1 had lower odds of IADL disability. Subgroup analysis revealed heterogeneous associations across different populations. Conclusion: Among Chinese adults aged ≥ 65 years, the cMIND diet Q2 group was significantly associated with BADL disability, while the overall cMIND diet was significantly associated with IADL disability, supporting its potential role in promoting functional independence during aging.

Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s40520-026-03444-x.

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Cite

BibTeXRIS
BibTeX
@article{fu2026association,
  title = {{Association between the Chinese version of the Mediterranean-DASH intervention for Neurodegenerative Delay diet and BADL/IADL disability among older adults in China: a nationwide survey}},
  author = {Yandi Fu and Ziyi Chen and Xiaoyan Lv and Shiwei Cao and Li Zeng and Fangyi Yang and Jingyi Shao and Qian Zhang and Anchao Song},
  journal = {Aging Clinical and Experimental Research},
  year = {2026},
  month = aug,
  doi = {10.1007/s40520-026-03444-x},
  url = {https://doi.org/10.1007/s40520-026-03444-x},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - Association between the Chinese version of the Mediterranean-DASH intervention for Neurodegenerative Delay diet and BADL/IADL disability among older adults in China: a nationwide survey
AU  - Yandi Fu
AU  - Ziyi Chen
AU  - Xiaoyan Lv
AU  - Shiwei Cao
AU  - Li Zeng
AU  - Fangyi Yang
AU  - Jingyi Shao
AU  - Qian Zhang
AU  - Anchao Song
PY  - 2026
DA  - 2026/08/09
JO  - Aging Clinical and Experimental Research
DO  - 10.1007/s40520-026-03444-x
UR  - https://doi.org/10.1007/s40520-026-03444-x
AB  - Background: Disability is a major challenge affecting older adults’ quality of life. Although the Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) diet has been shown to protect against functional disability in Western populations, its applicability across different cultural and diet contexts remains insufficiently validated. Therefore, this study aimed to investigate the association between the Chinese MIND (cMIND) diet and Basic/Instrumental Activities of Daily Living (BADL/IADL) disability. Methods: Using cross-sectional data from the 2018 Chinese Longitudinal Healthy Longevity Survey (CLHLS), cMIND scores were categorized into Q1 (0–4), Q2 (4–5), Q3 (5–6.5), and Q4 (≥ 6.5). Potential confounders were identified using a directed acyclic graph (DAG). Logistic regression was employed to analyze the association between the cMIND diet and BADL/IADL disability. Restricted Cubic Splines (RCS) were used to assess linearity, alongside subgroup, interaction, and sensitivity analysis. Results: Among 9,511 participants, the prevalence of disability in BADL and IADL was 23.74% and 57.95%, respectively. In logistic regression, participants with a cMIND diet score in Q2 compared to those in Q1 had lower odds of BADL disability (OR = 0.821, 95% CI: 0.676–0.999), and participants with a cMIND diet score in Q2-Q4 compared to those in Q1 had lower odds of IADL disability. Subgroup analysis revealed heterogeneous associations across different populations. Conclusion: Among Chinese adults aged ≥ 65 years, the cMIND diet Q2 group was significantly associated with BADL disability, while the overall cMIND diet was significantly associated with IADL disability, supporting its potential role in promoting functional independence during aging.  Supplementary Information: The online version contains supplementary material available at https://doi.org/10.1007/s40520-026-03444-x.
SN  - 1594-0667
SN  - 1720-8319
ER  -