Mood and influenza vaccination in older adults: A randomized controlled trial.

Ayling, Kieran, Fairclough, Lucy, Buchanan, Heather, Wetherell, Mark and Vedhara, Kavita (2019) Mood and influenza vaccination in older adults: A randomized controlled trial. Health Psychology, 38 (11). pp. 984-996. ISSN 0278-6133

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Mood and Influenza Vaccination in Older Adults - Final Accepted.pdf - Accepted Version

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Official URL: https://doi.org/10.1037/hea0000786

Abstract

Objective: Positive mood on the day of vaccination has been associated with subsequent antibody responses to the influenza vaccine in older adults. The primary aim of this trial was to examine whether a brief intervention was able to enhance positive mood at the time of vaccination in a clinical context. Secondary aims included exploratory analyses of the effects of the intervention on nonspecific and influenza-specific immunity. Method: One hundred three older adults (65–85 years) participated in a 2-arm, parallel, single-blind, randomized controlled trial. Participants viewed either a 15-min video package designed to induce positive mood or a matched neutral control video, immediately prior to receiving a standard dose quadrivalent influenza vaccination. State affect and secretory immunoglobulin A levels were assessed immediately prior to, and following, the interventions. Antigen-specific immunoglobulin G responses to the vaccination were assessed at 4 and 16 weeks postvaccination. Results: The positive mood intervention resulted in significant improvements in state positive affect, compared with the neutral control. Secretory immunoglobulin A levels significantly increased across both groups. Antigen-specific immunoglobulin G responses to influenza vaccination were not statistically significantly different between groups, although point estimates of effect size favored participants who viewed the positive mood intervention for most strains at both 4 and 16 weeks postvaccination. Conclusions: A 15-min intervention can improve positive mood in older adults prior to vaccination. Future trials should examine whether enhancing mood at the time of vaccination could enhance the effectiveness of influenza vaccination on patients and benefit health services.

Item Type: Article
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Elena Carlaw
Date Deposited: 03 Sep 2019 14:17
Last Modified: 25 Oct 2019 10:15
URI: http://nrl.northumbria.ac.uk/id/eprint/40498

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