Determinants of under-immunization and cumulative time spent under-immunized in a Quebec cohort

O’Donnell, Shauna; Dubé, Ève; Tapiéro, Bruce; Gagneur, Arnaud; Doll, Margaret K.; Quach, Caroline

doi:10.1016/j.vaccine.2017.08.072

Cited by 13 publications

(32 citation statements)

References 54 publications

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“…Only one study found that male babies were less likely to have delayed measles vaccinations than females, though the authors considered it to be of little population significance (Perinet et al 2018). No associations were found in the other three studies (Dummer et al 2012;Gilbert et al 2017;O'Donnell et al 2017).…”

Section: Gendermentioning

confidence: 98%

“…One study used medical records and a parental survey data from Edmonton (MacDonald et al 2014) and another used medical records and sociodemographic data from Winnipeg (Martens et al 2014). Two studies sampled children who were accessing health services; one study used parental vaccine records for the sibling of a child with autism spectrum disorder (ASD) in Toronto, Halifax, and Hamilton (Kuwaik et al 2014), and the other study used medical records and a parental survey in children who visited the emergency room in Quebec for gastritis (O'Donnell et al 2017). Another study conducted an online survey of the Canadian population asking parents for vaccination status without vaccine details (Greenberg et al 2017).…”

Section: Study Descriptionsmentioning

confidence: 99%

“…Studies used various indicators to assess vaccine status. Studies whose samples were within one province assessed vaccine status according to the provincial recommendations (Bell et al 2015;Dubé et al 2016c;Dummer et al 2012;Kiely et al 2018;Kuwaik et al 2014;MacDonald et al 2014;Martens et al 2014;O'Donnell et al 2017). Studies using national-level data assessed vaccine status using specific vaccines that are routinely provided across Canada (i.e., measles or MMR) (Greenberg et al 2017;Perinet et al 2018) or a combination of measles and pertussis vaccines (Carpiano et al 2019;Gilbert et al 2017).…”

Section: Vaccination Statusmentioning

confidence: 99%

“…Four studies examined whether the child's sex was associated with vaccination status (Dummer et al 2012;Gilbert et al 2017;O'Donnell et al 2017;Perinet et al 2018). Only one study found that male babies were less likely to have delayed measles vaccinations than females, though the authors considered it to be of little population significance (Perinet et al 2018).…”

Section: Gendermentioning

confidence: 99%

“…Mother's age at birth was examined in five studies (Bell et al 2015;Dubé et al 2016c;Kiely et al 2018;MacDonald et al 2014;O'Donnell et al 2017). Two cohort studies examined associations between vaccine status and mother's age at time of birth; no association was found in one study (Kiely et al 2018) while the other study found that the likelihood of incomplete vaccination decreased with increased maternal age (Bell et al 2015).…”

Section: Maternal Agementioning

confidence: 99%

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Vaccine hesitancy among parents of preschoolers in Canada: a systematic literature review

Schellenberg

Crizzle

2020

Can J Public Health

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Objectives The purpose was to synthesize the available literature on what factors influence vaccine hesitancy of parents of preschoolers in Canada. Methods Databases (e.g., CINAHL, PubMed, OVID, Proquest) were searched for relevant research articles produced between January 2009 and October 2019. Articles were required to examine vaccine uptake in children aged 0-7, in the English language, and focused within a Canadian context. Articles were excluded if they focused on uptake of the influenza vaccine and if the study population was children with chronic health conditions. A total of 367 articles were reviewed and 12 met the criteria for inclusion in this review. Synthesis This review found that between 50% and 70% of children are completely vaccinated at 2 years old, with up to 97% having received at least one vaccine, and 2-5% receiving no vaccines. This review found that trust and access to health care providers is significantly associated with vaccine uptake, likely more important than parents' vaccine knowledge, and may compensate for challenges related to socioeconomic status and family dynamics. Conclusion Vaccine programs need to be created that are accessible to all families, with an awareness of the significant impact of trust on vaccine uptake. Future research should include consistent measures of vaccine uptake, and data from First Nation communities, and should examine how increased trust between health care providers and parents of preschool children would increase vaccine uptake in Canada. Résumé Objectifs Synthétiser la documentation disponible sur les facteurs qui influent sur l'hésitation vaccinale des parents d'enfants d'âge préscolaire au Canada. Méthode Des bases de données (CINAHL, PubMed, OVID, Proquest) ont été interrogées pour recenser les articles de recherche pertinents produits entre janvier 2009 et octobre 2019. Les articles devaient porter sur les taux de vaccination des enfants de la naissance à 7 ans, être rédigés en anglais et se concentrer sur le contexte canadien. Ont été exclus les articles portant sur les taux de vaccination contre l'influenza et ceux dont la population étudiée était constituée d'enfants atteints de problèmes de santé chroniques. Sur les 367 articles examinés, 12 répondaient aux critères d'inclusion dans notre revue systématique. Synthèse Selon la revue, entre 50 et 70 % des enfants sont entièrement vaccinés à l'âge de 2 ans, jusqu'à 97 % ont reçu au moins un vaccin, et entre 2 et 5 % n'en ont reçu aucun. La confiance envers les professionnels de santé et l'accès à ces professionnels présentent une corrélation significative avec les taux de vaccination; cette confiance et cet accès sont probablement plus importants que les connaissances des parents sur les vaccins, et ils pourraient compenser les difficultés liées au statut socioéconomique et aux dynamiques familiales.

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Section: Gendermentioning

confidence: 98%

Section: Study Descriptionsmentioning

confidence: 99%

Section: Vaccination Statusmentioning

confidence: 99%

Section: Gendermentioning

confidence: 99%

Section: Maternal Agementioning

confidence: 99%

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Vaccine hesitancy among parents of preschoolers in Canada: a systematic literature review

Schellenberg

Crizzle

2020

Can J Public Health

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Determinants of incomplete vaccination in children at age two in France: results from the nationwide ELFE birth cohort

et al. 2022

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Incomplete vaccination in the pediatric population is a growing public health issue in high-income countries, but its determinants are poorly understood. Their identification is necessary to design target actions that can improve vaccination uptake. Our aim was to assess the determinants of incomplete vaccination in two-year-old children in France. Among the 18,329 children included in the 2011 ELFE French nationwide population-based birth cohort, we selected those for whom vaccination status was available at age two years. Incomplete vaccination was defined as ≥ 1 missing dose of recommended vaccines. Potential determinants of incomplete vaccination were identified by using logistic regression, taking into account attrition and missing data. Of the 5,740 (31.3%) children analyzed, 46.5% (95% confidence interval [CI] 44.7–48.0) were incompletely vaccinated. Factors independently associated with incomplete vaccination were having older siblings (adjusted odds ratio 1.18, 95% CI [1.03–1.34] and 1.28 [1.06–1.54] for one and ≥ 2 siblings, respectively, vs. 0), residing in an isolated area (1.92 [1.36–2.75] vs. an urban area), parents not following health recommendations or using alternative medicines (1.81 [1.41–2.34] and 1.23 [1.04–1.46], respectively, vs. parents confident in institutions and following heath recommendations), not being visited by a maternal and child protection service nurse during the child’s first two months (1.19 [1.03–1.38] vs. ≥ 1 visit), and being followed by a general practitioner (2.87 [2.52–3.26] vs. a pediatrician). Conclusions : Incomplete vaccination was highly prevalent in the studied pediatric population and was associated with several socio-demographic, parental, and healthcare service characteristics. These findings may help in designing targeted corrective actions. What is Known: • Incomplete vaccination in the pediatric population is a growing public health issue in high-income countries. • The partial understanding of the determinants of incomplete vaccination precludes the design of effective targeted corrective actions. What is New: • High prevalence of incomplete vaccination at age two years in France. • Incomplete vaccination was independently associated with several socio-demographic, parental, and healthcare service characteristics. Supplementary Information The online version contains supplementary material available at 10.1007/s00431-022-04733-z.

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Determinants of vaccine refusal, delay and reluctance in parents of 2-year-old children in Canada: Findings from the 2017 Childhood National Immunization Coverage Survey (cNICS)

Schellenberg

Petrucka

Leurer

et al. 2023

Travel Medicine and Infectious Disease

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Determinants of under-immunization and cumulative time spent under-immunized in a Quebec cohort

Cited by 13 publications

References 54 publications

Vaccine hesitancy among parents of preschoolers in Canada: a systematic literature review

Vaccine hesitancy among parents of preschoolers in Canada: a systematic literature review

Determinants of incomplete vaccination in children at age two in France: results from the nationwide ELFE birth cohort

Determinants of vaccine refusal, delay and reluctance in parents of 2-year-old children in Canada: Findings from the 2017 Childhood National Immunization Coverage Survey (cNICS)

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