Influenza vaccination during pregnancy: Coverage rates and influencing factors in two urban districts in Sydney |
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| Authors: | Louise Maher Kirsty Hope Siranda Torvaldsen Glenda Lawrence Angela Dawson Kerrie Wiley Deborah Thomson Andrew Hayen Stephen Conaty |
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| Affiliation: | 1. NSW Public Health Officer Training Program, NSW Ministry of Health, 73 Miller Street, North Sydney, NSW 2060, Australia;2. School of Public Health and Community Medicine, University of New South Wales, UNSW, Sydney 2052, Australia;3. South Western Sydney and Sydney Local Health Districts Public Health Unit, King George V, Missenden Road, Camperdown, NSW 2050, Australia;4. Health Services and Practice Research Group, Faculty of Health, University of Technology Sydney, 235-253 Jones St Ultimo, NSW 2000, Australia;5. National Centre for Immunisation Research and Surveillance, Hawkesbury Road, Westmead, NSW 2145, Australia;6. Discipline of Paediatrics & Child Health, The University of Sydney, Sydney, NSW 2000, Australia |
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| Abstract: | BackgroundPregnant women have an increased risk of complications from influenza. Influenza vaccination during pregnancy is considered effective and safe; however estimates of vaccine coverage are low. This study aimed to determine influenza vaccination coverage and factors associated with vaccine uptake in pregnant women in two Sydney-based health districts.MethodsA random sample of women who delivered a baby in a public hospital in Sydney and South-Western Sydney Local Health Districts between June and September 2012 were surveyed using a computer assisted telephone interviewing service.ResultsOf the 462 participants (participation rate 92%), 116 (25%) reported receiving the influenza vaccine during their pregnancy. In univariate analysis, vaccination coverage varied significantly depending on antenatal care type, hospital of birth, and parity (p<0.05), but not for age category, highest level of education, country of birth, language spoken at home, or Aboriginal status. Women who received antenatal care through a general practitioner (GP) had 2.3 (95% CI 1.4–3.6) times the odds (unadjusted) of receiving the influenza vaccination than those who received their antenatal care through a public hospital. The main reason cited for vaccination was GP recommendation (37%), while non-recommendation (33%) and lack of knowledge (26%) were cited as main reasons for not receiving the vaccination. 30% of women recalled receiving a provider recommendation for the vaccination and these women had 33.0 times the odds (unadjusted) of receiving the vaccination than women who had not received a recommendation. In a multivariate model a provider recommendation was the only variable that was significantly associated with vaccination (OR 41.9; 95% CI 20.7–84.9).ConclusionRates of influenza vaccination during pregnancy are low. There is a significant relationship between healthcare provider recommendation for the vaccination and vaccine uptake. Increasing provider recommendation rates has the potential to increase coverage rates of influenza vaccination in pregnant women. |
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| Keywords: | Influenza Vaccine Pregnancy Provider recommendation |
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