Brief education to promote maternal influenza vaccine uptake: A randomized controlled trial |
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| Affiliation: | 1. School of Nursing, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong;2. Dept. of Obstetrics and Gynaecology, Kwong Wah Hospital, 25 Waterloo Road, Kowloon, Hong Kong;3. Dept. of Obstetrics and Gynaecology, Queen Mary Hospital, 102 Pokfulam Road, Pokfulam, Hong Kong;4. School of Nursing, University of British Columbia, 3333 University Way, Kelowna, British Columbia, Canada;1. Centre for the Evaluation of Vaccination, Vaccine & Infectious Disease Institute, University of Antwerp, Antwerp, Belgium;2. Agency for Care and Health, Infectious Disease Control and Vaccination, Brussels, Belgium;1. Emory University School of Medicine, Department of Medicine, Division of Infectious Diseases, Decatur, GA, United States;2. Emory University, Rollins School of Public Health, Department of Behavioral Sciences and Health Education, Atlanta, GA, United States;3. Emory University, Rollins School of Public Health, Hubert Department of Global Health, Atlanta, GA, United States;4. Emory University, Rollins School of Public Health, Department of Epidemiology, Atlanta, GA, United States;1. School of Media and Journalism, University of North Carolina at Chapel Hill, Campus Box 3365, University of North Carolina, Chapel Hill, NC 27599-3365, United States;2. School of Nursing and Department of Biostatistics, 2011 Carrington Hall, Campus Box 7460, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7460, United States;3. NC Child Health Research Network, Division of General Pediatrics and Adolescent Medicine, CB # 7225, 231 MacNider, University of North Carolina, Chapel Hill, NC 27599, United States;1. Planned Parenthood Federation of America, 434 West 33rd Street, New York, NY 10001, United States;2. Division of Family Planning, Department of Obstetrics and Gynecology, John H. Stroger, Jr. Hospital of Cook County, 1900 West Polk Street, 5th Floor, Chicago, IL 60612, United States;3. Westport Compass, 3011 S. Plateau, Salt Lake City, UT 84109, United States;1. Department of Community Health Nursing, Division of Health Sciences and Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;2. Department of Pediatrics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan;3. Yoiko-no Shounika Sato, Niigata, Japan;4. Department of Biostatistics, School of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;5. Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan |
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| Abstract: | BackgroundAlthough pregnant women are the highest priority group for seasonal influenza vaccination, maternal influenza vaccination rates remain suboptimal. The purpose of this study was to evaluate the effect of a brief education intervention on maternal influenza vaccine uptake.MethodsDuring the 2013–14 and 2014–15 influenza seasons, we recruited 321 pregnant women from the antenatal clinics of 4 out of 8 public hospitals in Hong Kong with obstetric services. Hospitals were geographically dispersed and provided services to pregnant women with variable socioeconomic backgrounds. Participants were randomized to receive either standard antenatal care or brief one-to-one education. Participants received telephone follow-up at 2 weeks postpartum. The primary study outcome was self-reported receipt of influenza vaccination during pregnancy. The secondary outcomes were the proportion of participants who initiated discussion about influenza vaccination with a health care professional and the proportion of participants who attempted to get vaccinated.ResultsCompared with participants who received standard care, the vaccination rate was higher among participants who received brief education (21.1% vs. 10%; p = 0.006). More participants in the education group initiated discussion about influenza vaccination with their HCP (19.9% vs. 13.1%; p = 0.10), but the difference was not statistically significant. Of participants who did not receive the influenza vaccine (n = 271), 45 attempted to get vaccinated. A significantly higher proportion of participants who attempted to get vaccinated were in the intervention group (82.2% vs. 17.8%; p < 0.001). If participants who had attempted vaccination had received the vaccine, vaccination rates would have been substantially higher (44.1% vs. 15%; p < 0.001). Twenty-six participants were advised against influenza vaccination by a healthcare professional, including general practitioners, obstetricians, and nurses.ConclusionAlthough brief education was effective in improving vaccination uptake among pregnant women, overall vaccination rates remain suboptimal. Multicomponent approaches, including positive vaccination recommendations by healthcare professionals, are needed to promote maternal influenza vaccination.Clinical Trial Registration: www.clinicaltrials.gov (NCT01772901). |
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| Keywords: | Influenza Influenza vaccination Antenatal Prenatal Pregnant women Pregnancy Education Interventions Randomized controlled trial |
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