Influenza Vaccination and Olfaction in Older Adults: Findings from Health ABC
2024

Flu Vaccination and Smell in Older Adults

Sample size: 2507 publication Evidence: moderate

Author Information

Author(s): Yuan Yaqun, Chamberlin Keran, Li Chenxi, Luo Zhehui, Tian Teresa, Simonsick Eleanor, Chen Honglei

Primary Institution: Michigan State University

Hypothesis

Is there a link between flu vaccination and olfactory impairment in older adults?

Conclusion

Flu vaccination may help protect against olfactory loss in older adults, particularly in men and white individuals.

Supporting Evidence

  • Olfactory impairment is common in older adults.
  • Flu vaccination was associated with better olfactory function.
  • The study adjusted for demographics and health status.

Takeaway

Getting a flu shot might help older people keep their sense of smell better.

Methodology

Cross-sectional study using multinomial logistic regression to analyze the association between flu vaccination and olfaction.

Potential Biases

Potential bias in self-reported flu vaccination status.

Limitations

The study is cross-sectional, which limits causal inferences.

Participant Demographics

Participants aged 71-82 years, 51.7% women, and 37.4% Black.

Statistical Information

P-Value

0.66 for moderate olfaction, 0.79 for poor olfaction

Confidence Interval

0.51-0.85 for moderate olfaction, 0.60-1.02 for poor olfaction

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2473

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication