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Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: A Nationwide Survey in Taiwan.
J Prev Alzheimers Dis. 2017; 4(1):37-43.JP

Abstract

BACKGROUND

Evidence of the associations of dietary habits and body mass index with dementia is inconsistent and limited in East Asian countries.

OBJECTIVE

We aim to explore the associations of dietary habits and body mass index with the odds of dementia.

DESIGN

Cross-sectional observational study.

SETTING

A nationwide, population-based, door-to-door, in-person survey.

PARTICIPANTS

Selected by computerized random sampling from all 19 counties in Taiwan.

MEASUREMENT

Diagnosis of dementia using the criteria recommended by the National Institute on Aging-Alzheimer's Association. Lifestyle factors, dietary habits and demographic data were compared between normal subjects and participants with dementia.

RESULTS

A total of 10432 residents were assessed, among whom 2049 were classified as having a mild cognitive impairment (MCI), 929 were diagnosed with dementia, and 7035 were without dementia or MCI. After adjustment for age, gender, education, body mass index (BMI), dietary habits, habitual exercises and co-morbidities, including hypertension, diabetes and cerebrovascular diseases, we found inverse associations of dementia with the consumption of fish (OR 0.62, 95% CI 0.41-0.94), vegetables (OR 0.35, 95% CI 0.13-0.95), coffee (OR 0.59, 95% CI 0.35-0.97), green tea (OR 0.51, 95% CI 0.34-0.75) and other types of tea (OR 0.41, 95% CI 0.28-0.60). There was no association between dementia and fruit consumption. Compared with people who had a normal BMI (18 < BMI <= 24), older overweight people (24 < BMI <=30) had a reduced risk of dementia with an adjusted OR of 0.77 (95% CI 0.61-0.96).

CONCLUSIONS

Our study provides preliminary evidence that suggests that the consumption of fish, vegetables, tea, and coffee has potential benefits against dementia in East Asian population. Being modestly overweight (nadir risk at BMI = 25) in late life was associated with decreased odds of dementia. The benefit of fruits may be offset by their high sugar content.

Links

Publisher Full Text (DOI)

Authors+Show Affiliations

Lee CY
Dr. Ming-Jang Chiu, Department of Neurology, National Taiwan University Hospital, College of Medicine; Graduate Institute of Brain and Mind Sciences; Graduate Institute of Psychology; Graduate Institute of Biomedical Engineering and Bioinformatics; National Taiwan University, Taipei, Taiwan, Tel: 886-2-23123456 ext 65339; Fax: 886-2-23418395; E-mail: mjchiu@ntu.edu.tw.
Sun Y
No affiliation info available
Lee HJ
No affiliation info available
Chen TF
No affiliation info available
Wang PN
No affiliation info available
Lin KN
No affiliation info available
Tang LY
No affiliation info available
Lin CC
No affiliation info available
Chiu MJ
No affiliation info available

MeSH

AnimalsBody Mass IndexCoffeeCognitive DysfunctionCross-Sectional StudiesDementiaDiet, HealthyFeeding BehaviorFishesOverweightTaiwanTeaVegetables

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

29188858

Citation

Lee, C-Y, et al. "Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: a Nationwide Survey in Taiwan." The Journal of Prevention of Alzheimer's Disease, vol. 4, no. 1, 2017, pp. 37-43.
Lee CY, Sun Y, Lee HJ, et al. Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: A Nationwide Survey in Taiwan. J Prev Alzheimers Dis. 2017;4(1):37-43.
Lee, C. Y., Sun, Y., Lee, H. J., Chen, T. F., Wang, P. N., Lin, K. N., Tang, L. Y., Lin, C. C., & Chiu, M. J. (2017). Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: A Nationwide Survey in Taiwan. The Journal of Prevention of Alzheimer's Disease, 4(1), 37-43. https://doi.org/10.14283/jpad.2016.123
Lee CY, et al. Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: a Nationwide Survey in Taiwan. J Prev Alzheimers Dis. 2017;4(1):37-43. PubMed PMID: 29188858.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Modest Overweight and Healthy Dietary Habits Reduce Risk of Dementia: A Nationwide Survey in Taiwan. AU - Lee,C-Y, AU - Sun,Y, AU - Lee,H-J, AU - Chen,T-F, AU - Wang,P-N, AU - Lin,K-N, AU - Tang,L-Y, AU - Lin,C-C, AU - Chiu,M-J, PY - 2017/12/1/entrez PY - 2017/12/1/pubmed PY - 2018/9/25/medline KW - Risk factor KW - body mass index KW - coffee KW - diet KW - tea SP - 37 EP - 43 JF - The journal of prevention of Alzheimer's disease JO - J Prev Alzheimers Dis VL - 4 IS - 1 N2 - BACKGROUND: Evidence of the associations of dietary habits and body mass index with dementia is inconsistent and limited in East Asian countries. OBJECTIVE: We aim to explore the associations of dietary habits and body mass index with the odds of dementia. DESIGN: Cross-sectional observational study. SETTING: A nationwide, population-based, door-to-door, in-person survey. PARTICIPANTS: Selected by computerized random sampling from all 19 counties in Taiwan. MEASUREMENT: Diagnosis of dementia using the criteria recommended by the National Institute on Aging-Alzheimer's Association. Lifestyle factors, dietary habits and demographic data were compared between normal subjects and participants with dementia. RESULTS: A total of 10432 residents were assessed, among whom 2049 were classified as having a mild cognitive impairment (MCI), 929 were diagnosed with dementia, and 7035 were without dementia or MCI. After adjustment for age, gender, education, body mass index (BMI), dietary habits, habitual exercises and co-morbidities, including hypertension, diabetes and cerebrovascular diseases, we found inverse associations of dementia with the consumption of fish (OR 0.62, 95% CI 0.41-0.94), vegetables (OR 0.35, 95% CI 0.13-0.95), coffee (OR 0.59, 95% CI 0.35-0.97), green tea (OR 0.51, 95% CI 0.34-0.75) and other types of tea (OR 0.41, 95% CI 0.28-0.60). There was no association between dementia and fruit consumption. Compared with people who had a normal BMI (18 < BMI <= 24), older overweight people (24 < BMI <=30) had a reduced risk of dementia with an adjusted OR of 0.77 (95% CI 0.61-0.96). CONCLUSIONS: Our study provides preliminary evidence that suggests that the consumption of fish, vegetables, tea, and coffee has potential benefits against dementia in East Asian population. Being modestly overweight (nadir risk at BMI = 25) in late life was associated with decreased odds of dementia. The benefit of fruits may be offset by their high sugar content. SN - 2426-0266 UR - https://www.unboundmedicine.com/medline/citation/29188858/Modest_Overweight_and_Healthy_Dietary_Habits_Reduce_Risk_of_Dementia:_A_Nationwide_Survey_in_Taiwan_ DB - PRIME DP - Unbound Medicine ER -