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Vaccine. 2011 Jan 29;29(5):994-9. doi: 10.1016/j.vaccine.2010.11.085. Epub 2010 Dec 8.

Parental decline of pneumococcal vaccination and risk of pneumococcal related disease in children.

Author information

1
Institute for Health Research, Kaiser Permanente Colorado, Denver, CO 80237-8066, USA. jason.m.glanz@kp.org

Abstract

BACKGROUND:

An increasing number of parents are choosing to decline immunizations for their children. This study examined the association between the parental decision to decline pneumococcal conjugate (PCV7) vaccinations and the risk of hospitalization due to pneumococcal disease or lobar pneumonia in children.

METHODS:

We conducted a case-control study nested within a cohort of children enrolled in the Kaiser Permanente Colorado (KPCO) health plan between 2004 and 2009. Each child hospitalized with pneumococcal disease or lobar pneumonia (n=106) was matched to 4 randomly selected controls (n=401). Cases were matched to controls by age, sex, high-risk status, calendar time, and length of enrollment in KPCO. Disease status and parental vaccination decisions were validated with medical record review. Cases and controls were classified as vaccine decliners or vaccine acceptors.

RESULTS:

Among 106 cases, there were 6 (6%) PCV7 vaccine decliners; among 401 controls, there were 4 (1%) vaccine decliners. Children of parents who declined PCV7 immunization were 6.5 times (OR=6.5; 95% CI=1.7, 24.5) more likely to be hospitalized for invasive pneumococcal disease or lobar pneumonia than vaccinated children.

CONCLUSIONS:

Parental decline of pneumococcal vaccination apparently increases the risk for hospitalization due to pneumococcal disease or lobar pneumonia in children. Providers can use this information when helping parents weigh the benefits and risks of immunizing their children.

PMID:
21145372
PMCID:
PMC3026079
DOI:
10.1016/j.vaccine.2010.11.085
[Indexed for MEDLINE]
Free PMC Article

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