Comparison of rates of dementia among older adult recipients of two, one, or no vaccinations
© 2021 The Authors. Journal of the American Geriatrics Society published by Wiley Periodicals LLC on behalf of The American Geriatrics Society..
BACKGROUND: Multiple types of vaccinations are associated with lower risk for dementia, but it is not known if receiving more than one vaccination type is associated with a greater decrease in incident dementia as compared with receiving only one type. We determined if dementia risk is lowest in patients who receive both herpes zoster (HZ) and tetanus, diphtheria, pertussis (Tdap) vaccinations as compared with receipt of only one or the other type of vaccination.
METHODS: Primary analysis in a Veterans Health Administration (VA) cohort was replicated in private sector medical claims data. Eligible patients were ≥65 years of age and free of dementia for 2 years prior to baseline (VHA n = 80,070; MarketScan n = 129,200). At index, patients either had both HZ and Tdap, only HZ, only Tdap, or neither vaccination. Confounding was controlled with generalized boosted propensity scores and inverse probability of treatment weighting. Competing risk (VHA) and Cox proportional hazard (MarketScan) models estimated the association between vaccination status and incident dementia.
RESULTS: VHA patients' mean age was 76.8 ± 7.6 years, 4.4% were female and 90.9% were White, and MarketScan patients' mean age was 70.5 ± 5.9 and 65.4% were female. In both cohorts, having both HZ and Tdap vaccinations compared with no vaccination was significantly associated with lower dementia risk (VHA HR = 0.50; 95% CI: 0.43-0.59; MarketScan HR = 0.58; 95% CI: 0.38-0.89). In both cohorts, compared with neither vaccination, patients with only one or the other vaccination types had a significantly lower risk for dementia. Incident dementia was lower in patients with both vaccinations versus only one vaccination type.
CONCLUSIONS AND RELEVANCE: Receiving two types of vaccinations versus one type was associated with lower dementia risk. Vaccinations may have non-specific associations with incident dementia. Low cost and accessible, common adult vaccinations may be an overlooked intervention for reducing dementia risk.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:70 |
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| Enthalten in: |
Journal of the American Geriatrics Society - 70(2022), 4 vom: 12. Apr., Seite 1157-1168 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wiemken, Timothy L [VerfasserIn] |
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| Links: |
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| Themen: |
Cohort |
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| Anmerkungen: |
Date Completed 07.04.2022 Date Revised 31.07.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/jgs.17606 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM33434123X |
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| 100 | 1 | |a Wiemken, Timothy L |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Comparison of rates of dementia among older adult recipients of two, one, or no vaccinations |
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| 500 | |a Date Revised 31.07.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2021 The Authors. Journal of the American Geriatrics Society published by Wiley Periodicals LLC on behalf of The American Geriatrics Society. | ||
| 520 | |a BACKGROUND: Multiple types of vaccinations are associated with lower risk for dementia, but it is not known if receiving more than one vaccination type is associated with a greater decrease in incident dementia as compared with receiving only one type. We determined if dementia risk is lowest in patients who receive both herpes zoster (HZ) and tetanus, diphtheria, pertussis (Tdap) vaccinations as compared with receipt of only one or the other type of vaccination | ||
| 520 | |a METHODS: Primary analysis in a Veterans Health Administration (VA) cohort was replicated in private sector medical claims data. Eligible patients were ≥65 years of age and free of dementia for 2 years prior to baseline (VHA n = 80,070; MarketScan n = 129,200). At index, patients either had both HZ and Tdap, only HZ, only Tdap, or neither vaccination. Confounding was controlled with generalized boosted propensity scores and inverse probability of treatment weighting. Competing risk (VHA) and Cox proportional hazard (MarketScan) models estimated the association between vaccination status and incident dementia | ||
| 520 | |a RESULTS: VHA patients' mean age was 76.8 ± 7.6 years, 4.4% were female and 90.9% were White, and MarketScan patients' mean age was 70.5 ± 5.9 and 65.4% were female. In both cohorts, having both HZ and Tdap vaccinations compared with no vaccination was significantly associated with lower dementia risk (VHA HR = 0.50; 95% CI: 0.43-0.59; MarketScan HR = 0.58; 95% CI: 0.38-0.89). In both cohorts, compared with neither vaccination, patients with only one or the other vaccination types had a significantly lower risk for dementia. Incident dementia was lower in patients with both vaccinations versus only one vaccination type | ||
| 520 | |a CONCLUSIONS AND RELEVANCE: Receiving two types of vaccinations versus one type was associated with lower dementia risk. Vaccinations may have non-specific associations with incident dementia. Low cost and accessible, common adult vaccinations may be an overlooked intervention for reducing dementia risk | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a dementia | |
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| 650 | 4 | |a infectious disease | |
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| 700 | 1 | |a Salas, Joanne |e verfasserin |4 aut | |
| 700 | 1 | |a Morley, John E |e verfasserin |4 aut | |
| 700 | 1 | |a Hoft, Daniel F |e verfasserin |4 aut | |
| 700 | 1 | |a Jacobs, Christine |e verfasserin |4 aut | |
| 700 | 1 | |a Scherrer, Jeffrey F |e verfasserin |4 aut | |
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