Identification of the determinants of incomplete vaccination in Australian children

Christopher Lim, Grace E. Currie, Claire S. Waddington, Yue Wu, Sharon Setijo, Julie Leask, Julie A. Marsh, Thomas L. Snelling

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    Abstract

    Background and aims: We aimed to understand the risk factors associated with incomplete vaccination, which may help to identify and prioritise opportunities to intervene.

    Methods: Consenting parents of children <6 years old attending an outpatient clinic completed a questionnaire, which captured demographic information and their level of agreement with belief statements about vaccination using a 7-point Likert scale. Vaccination status was determined from the Australian Childhood Immunisation Register and deemed either “complete” (no doses overdue) or “incomplete” (1 or more doses overdue) at the time of questionnaire completion.

    Results: Of 589 children of respondents, 116 (20%) had an incomplete vaccination status. Of these, nearly two-thirds (63%) of parents believed that their child was, in fact, fully-vaccinated. Compared to those with a complete vaccine status, children with an incomplete vaccine status were more likely to be born overseas (p < 0.001), have a larger family size (p = 0.02) and to have parents with lower educational attainment (p = 0.001). Parents of children with an incomplete status reported more doubt about the importance of vaccination and greater concern about vaccine safety, compared to parents of children with a complete status.

    Conclusion: Most parents are supportive of vaccination. Sociodemographic factors may contribute more to the risk of incomplete vaccination than attitudes or beliefs. Some parents are unaware of their child's vaccination status, suggesting that simple and modern reminders may assist parents to keep up to date.

    Original languageEnglish
    Article number100010
    Pages (from-to)1-5
    Number of pages5
    JournalVaccine: X
    Volume1
    DOIs
    Publication statusPublished - 11 Apr 2019

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    Vaccination
    Parents
    vaccination
    Vaccines
    vaccines
    questionnaires
    family size
    dosage
    Ambulatory Care Facilities
    childhood
    Immunization
    immunization
    risk factors
    demographic statistics
    Demography
    Safety
    Surveys and Questionnaires

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    Lim, C., Currie, G. E., Waddington, C. S., Wu, Y., Setijo, S., Leask, J., ... Snelling, T. L. (2019). Identification of the determinants of incomplete vaccination in Australian children. Vaccine: X, 1, 1-5. [100010]. https://doi.org/10.1016/j.jvacx.2019.100010
    Lim, Christopher ; Currie, Grace E. ; Waddington, Claire S. ; Wu, Yue ; Setijo, Sharon ; Leask, Julie ; Marsh, Julie A. ; Snelling, Thomas L. / Identification of the determinants of incomplete vaccination in Australian children. In: Vaccine: X. 2019 ; Vol. 1. pp. 1-5.
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    title = "Identification of the determinants of incomplete vaccination in Australian children",
    abstract = "Background and aims: We aimed to understand the risk factors associated with incomplete vaccination, which may help to identify and prioritise opportunities to intervene. Methods: Consenting parents of children <6 years old attending an outpatient clinic completed a questionnaire, which captured demographic information and their level of agreement with belief statements about vaccination using a 7-point Likert scale. Vaccination status was determined from the Australian Childhood Immunisation Register and deemed either “complete” (no doses overdue) or “incomplete” (1 or more doses overdue) at the time of questionnaire completion. Results: Of 589 children of respondents, 116 (20{\%}) had an incomplete vaccination status. Of these, nearly two-thirds (63{\%}) of parents believed that their child was, in fact, fully-vaccinated. Compared to those with a complete vaccine status, children with an incomplete vaccine status were more likely to be born overseas (p < 0.001), have a larger family size (p = 0.02) and to have parents with lower educational attainment (p = 0.001). Parents of children with an incomplete status reported more doubt about the importance of vaccination and greater concern about vaccine safety, compared to parents of children with a complete status. Conclusion: Most parents are supportive of vaccination. Sociodemographic factors may contribute more to the risk of incomplete vaccination than attitudes or beliefs. Some parents are unaware of their child's vaccination status, suggesting that simple and modern reminders may assist parents to keep up to date.",
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    author = "Christopher Lim and Currie, {Grace E.} and Waddington, {Claire S.} and Yue Wu and Sharon Setijo and Julie Leask and Marsh, {Julie A.} and Snelling, {Thomas L.}",
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    Lim, C, Currie, GE, Waddington, CS, Wu, Y, Setijo, S, Leask, J, Marsh, JA & Snelling, TL 2019, 'Identification of the determinants of incomplete vaccination in Australian children', Vaccine: X, vol. 1, 100010, pp. 1-5. https://doi.org/10.1016/j.jvacx.2019.100010

    Identification of the determinants of incomplete vaccination in Australian children. / Lim, Christopher; Currie, Grace E.; Waddington, Claire S.; Wu, Yue; Setijo, Sharon; Leask, Julie; Marsh, Julie A.; Snelling, Thomas L.

    In: Vaccine: X, Vol. 1, 100010, 11.04.2019, p. 1-5.

    Research output: Contribution to journalArticleResearchpeer-review

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    T1 - Identification of the determinants of incomplete vaccination in Australian children

    AU - Lim, Christopher

    AU - Currie, Grace E.

    AU - Waddington, Claire S.

    AU - Wu, Yue

    AU - Setijo, Sharon

    AU - Leask, Julie

    AU - Marsh, Julie A.

    AU - Snelling, Thomas L.

    PY - 2019/4/11

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    N2 - Background and aims: We aimed to understand the risk factors associated with incomplete vaccination, which may help to identify and prioritise opportunities to intervene. Methods: Consenting parents of children <6 years old attending an outpatient clinic completed a questionnaire, which captured demographic information and their level of agreement with belief statements about vaccination using a 7-point Likert scale. Vaccination status was determined from the Australian Childhood Immunisation Register and deemed either “complete” (no doses overdue) or “incomplete” (1 or more doses overdue) at the time of questionnaire completion. Results: Of 589 children of respondents, 116 (20%) had an incomplete vaccination status. Of these, nearly two-thirds (63%) of parents believed that their child was, in fact, fully-vaccinated. Compared to those with a complete vaccine status, children with an incomplete vaccine status were more likely to be born overseas (p < 0.001), have a larger family size (p = 0.02) and to have parents with lower educational attainment (p = 0.001). Parents of children with an incomplete status reported more doubt about the importance of vaccination and greater concern about vaccine safety, compared to parents of children with a complete status. Conclusion: Most parents are supportive of vaccination. Sociodemographic factors may contribute more to the risk of incomplete vaccination than attitudes or beliefs. Some parents are unaware of their child's vaccination status, suggesting that simple and modern reminders may assist parents to keep up to date.

    AB - Background and aims: We aimed to understand the risk factors associated with incomplete vaccination, which may help to identify and prioritise opportunities to intervene. Methods: Consenting parents of children <6 years old attending an outpatient clinic completed a questionnaire, which captured demographic information and their level of agreement with belief statements about vaccination using a 7-point Likert scale. Vaccination status was determined from the Australian Childhood Immunisation Register and deemed either “complete” (no doses overdue) or “incomplete” (1 or more doses overdue) at the time of questionnaire completion. Results: Of 589 children of respondents, 116 (20%) had an incomplete vaccination status. Of these, nearly two-thirds (63%) of parents believed that their child was, in fact, fully-vaccinated. Compared to those with a complete vaccine status, children with an incomplete vaccine status were more likely to be born overseas (p < 0.001), have a larger family size (p = 0.02) and to have parents with lower educational attainment (p = 0.001). Parents of children with an incomplete status reported more doubt about the importance of vaccination and greater concern about vaccine safety, compared to parents of children with a complete status. Conclusion: Most parents are supportive of vaccination. Sociodemographic factors may contribute more to the risk of incomplete vaccination than attitudes or beliefs. Some parents are unaware of their child's vaccination status, suggesting that simple and modern reminders may assist parents to keep up to date.

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    KW - Beliefs

    KW - Childhood vaccination

    KW - Risk-factors

    KW - Vaccine status

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    U2 - 10.1016/j.jvacx.2019.100010

    DO - 10.1016/j.jvacx.2019.100010

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    JF - Vaccine: X

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    Lim C, Currie GE, Waddington CS, Wu Y, Setijo S, Leask J et al. Identification of the determinants of incomplete vaccination in Australian children. Vaccine: X. 2019 Apr 11;1:1-5. 100010. https://doi.org/10.1016/j.jvacx.2019.100010