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Prev Med. 2014 Sep;66:87-94. doi: 10.1016/j.ypmed.2014.06.012. Epub 2014 Jun 16.

Determinants of Bacillus Calmette-Guérin (BCG) vaccination among Québec children.

Author information

1
INRS-Institut Armand-Frappier, Université du Québec, 531 des Prairies, Laval, Québec H7V 1B7, Canada; Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, 1020 Pine Avenue West, Montréal, Québec H3A 1A2, Canada.
2
Montreal Chest Institute, McGill University Health Centre, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada; Respiratory Epidemiology and Clinical Research Unit (RECRU), McGill University, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada; Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, 1020 Pine Avenue West, Montréal, Québec H3A 1A2, Canada.
3
Montreal Chest Institute, McGill University Health Centre, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada; Respiratory Epidemiology and Clinical Research Unit (RECRU), McGill University, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada.
4
Montreal Chest Institute, McGill University Health Centre, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada; Respiratory Epidemiology and Clinical Research Unit (RECRU), McGill University, 3650 St-Urbain, Montréal, Québec H2Z 2P4, Canada; Department of Epidemiology, Biostatistics and Occupational Health, Faculty of Medicine, McGill University, 1020 Pine Avenue West, Montréal, Québec H3A 1A2, Canada; Department of Medicine, McGill University, 3655 Sir William Osler, Montréal, Québec H3F 1Y6, Canada.
5
INRS-Institut Armand-Frappier, Université du Québec, 531 des Prairies, Laval, Québec H7V 1B7, Canada. Electronic address: marie-claude.rousseau@iaf.inrs.ca.

Abstract

OBJECTIVES:

To identify determinants of Bacillus Calmette-Guérin (BCG) vaccination among children born in Québec, Canada, in 1974, the last year of the systematic vaccination campaign.

METHOD:

A retrospective birth cohort was assembled in 2011 through probabilistic linkage of administrative databases (n=81,496). Potential determinants were documented from administrative databases and by interviewing a subset of subjects (n=1643) in 2012. Analyses were conducted among subjects with complete data, 71,658 (88%) birth cohort subjects and 1154 (70%) interviewed subjects, then redone using multiple imputation. Determinants of BCG vaccination during the organized vaccination program (in 1974), and after the program (1975 onwards) were assessed separately. Logistic regression with backward elimination was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs).

RESULTS:

Overall, 46% of subjects were BCG vaccinated, 43% during the program and 4% after it ended. BCG vaccination during the program was associated with parents' birthplace and urban or rural residence. BCG vaccination after the organized program was only related to ethnocultural origin of the child's grandparents.

CONCLUSION:

Different factors were related to vaccination within and after the organized program. Determinants of BCG vaccination in Québec, Canada, have never been studied and will be useful for future research and vaccination campaigns.

KEYWORDS:

BCG; Childhood vaccination; Determinant; Developed country; Non-mandatory vaccination; Socio-demographic

PMID:
24945693
DOI:
10.1016/j.ypmed.2014.06.012
[Indexed for MEDLINE]
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