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Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: A Prospective Cohort Study.
Ann Behav Med. 2019 03 01; 53(3):267-282.AB

Abstract

BACKGROUND

One of the major factors contributing to parental refusal of vaccinations is the perception that vaccines cause side effects. Although symptoms are commonly reported following vaccinations, their causes are not always straightforward. Although some may be directly attributable to the vaccine itself, others may reflect pre-existing or coincidental symptoms that are misattributed to the vaccine.

PURPOSE

To investigate psychological factors associated with parental report of side effects following vaccination with the child influenza vaccine, and parental intention to re-vaccinate one's child the following year.

METHODS

A prospective cohort study was run in primary care practices in London in the 2016-2017 influenza season (ClinicalTrials.gov number NCT02909855). Two hundred seventy parents from 14 practices completed a questionnaire before their child's vaccination. Follow-up questionnaires were completed 3 days after vaccination and one month after vaccination. Parental report of side effects and vaccination intention for the subsequent year were measured.

RESULTS

Parental report of side effects was strongly associated with pre-vaccination expectation of side effects. Suggestions received from the media, National Health Service (NHS) vaccination leaflet, and health care workers, as well as uncertainty-related beliefs, perceived sensitivity of the child to medicines, pessimism, and anxiety were also associated with reporting side effects. Side effect report was associated with lower vaccination intention for the following influenza season.

CONCLUSIONS

Side effect perception following vaccination is influenced by psychological factors, in particular expectations. Perceiving side effects reduces future vaccination intention. Future public health communications should aim to decrease unrealistic expectations of side effects to increase vaccine uptake.

Authors+Show Affiliations

King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK. Public Health England, Emergency Response Department of Science and Technology, Porton Down, UK.King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK.Public Health England, Emergency Response Department of Science and Technology, Porton Down, UK.King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK.King's College London, Institute of Psychiatry, Psychology and Neuroscience, London, UK.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

29868792

Citation

Smith, Louise E., et al. "Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: a Prospective Cohort Study." Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine, vol. 53, no. 3, 2019, pp. 267-282.
Smith LE, Weinman J, Amlôt R, et al. Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: A Prospective Cohort Study. Ann Behav Med. 2019;53(3):267-282.
Smith, L. E., Weinman, J., Amlôt, R., Yiend, J., & Rubin, G. J. (2019). Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: A Prospective Cohort Study. Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine, 53(3), 267-282. https://doi.org/10.1093/abm/kay040
Smith LE, et al. Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: a Prospective Cohort Study. Ann Behav Med. 2019 03 1;53(3):267-282. PubMed PMID: 29868792.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Parental Expectation of Side Effects Following Vaccination Is Self-fulfilling: A Prospective Cohort Study. AU - Smith,Louise E, AU - Weinman,John, AU - Amlôt,Richard, AU - Yiend,Jenny, AU - Rubin,G James, PY - 2018/6/6/pubmed PY - 2020/5/13/medline PY - 2018/6/6/entrez KW - Attitudes KW - Child vaccination KW - Influenza KW - Psychological factors KW - Symptom SP - 267 EP - 282 JF - Annals of behavioral medicine : a publication of the Society of Behavioral Medicine JO - Ann Behav Med VL - 53 IS - 3 N2 - BACKGROUND: One of the major factors contributing to parental refusal of vaccinations is the perception that vaccines cause side effects. Although symptoms are commonly reported following vaccinations, their causes are not always straightforward. Although some may be directly attributable to the vaccine itself, others may reflect pre-existing or coincidental symptoms that are misattributed to the vaccine. PURPOSE: To investigate psychological factors associated with parental report of side effects following vaccination with the child influenza vaccine, and parental intention to re-vaccinate one's child the following year. METHODS: A prospective cohort study was run in primary care practices in London in the 2016-2017 influenza season (ClinicalTrials.gov number NCT02909855). Two hundred seventy parents from 14 practices completed a questionnaire before their child's vaccination. Follow-up questionnaires were completed 3 days after vaccination and one month after vaccination. Parental report of side effects and vaccination intention for the subsequent year were measured. RESULTS: Parental report of side effects was strongly associated with pre-vaccination expectation of side effects. Suggestions received from the media, National Health Service (NHS) vaccination leaflet, and health care workers, as well as uncertainty-related beliefs, perceived sensitivity of the child to medicines, pessimism, and anxiety were also associated with reporting side effects. Side effect report was associated with lower vaccination intention for the following influenza season. CONCLUSIONS: Side effect perception following vaccination is influenced by psychological factors, in particular expectations. Perceiving side effects reduces future vaccination intention. Future public health communications should aim to decrease unrealistic expectations of side effects to increase vaccine uptake. SN - 1532-4796 UR - https://www.unboundmedicine.com/medline/citation/29868792/Parental_Expectation_of_Side_Effects_Following_Vaccination_Is_Self_fulfilling:_A_Prospective_Cohort_Study_ L2 - https://academic.oup.com/abm/article-lookup/doi/10.1093/abm/kay040 DB - PRIME DP - Unbound Medicine ER -