Increased Tdap and Influenza Vaccination Acquisition Among Patients Participating in Group Prenatal Care
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Increased Tdap and Influenza Vaccination Acquisition Among Patients Participating in Group Prenatal Care Dikea Roussos‑Ross1 · Autumn Prieto2 · Amie Goodin3,4 · Amelia K. Watson2 · Melissa A. Bright1,5 Published online: 5 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract CenteringPregnancy, an alternative to traditional prenatal care, offers additional time between clinicians and patients with the goal of increasing knowledge, understanding, and autonomy in pregnant participants. We investigated whether these women would be more likely to receive recommended Tdap and influenza vaccinations relative to others who received one-on-one traditional prenatal care. Our study employed a retrospective chart review of all women who participated in CenteringPregnancy group care compared to a group of matched women who received only traditional prenatal care at a large, quaternary care referral academic center. We extracted demographic and clinical characteristics from charts that included maternal age during pregnancy care and parity. Outcome variables of interest were influenza and Tdap vaccination status. Compared with traditional obstetrical care patients, women who participated in CenteringPregnancy were 1.7–2.7 times more likely to obtain the Tdap and influenza vaccines. These findings may be attributable to the increased opportunity for patient education and social support offered by the CenteringPregnancy model. Keywords CenteringPregnancy · Prenatal immunizations · Prenatal care model evaluation
* Melissa A. Bright [email protected] 1
Department of Obstetrics and Gynecology, University of Florida, Gainesville, USA
2
College of Medicine, University of Florida, Gainesville, USA
3
Department of Pharmaceutical Outcomes and Policy, University of Florida, Gainesville, USA
4
Center for Drug Evaluation and Safety (CoDES), University of Florida, Gainesville, USA
5
Department of Pediatrics, University of Florida, Gainesville, USA
13
Vol.:(0123456789)
414
The Journal of Primary Prevention (2020) 41:413–420
Introduction Preventing influenza and pertussis prevents serious respiratory illness; preventing tetanus is important to avoid life-threatening cases of neonatal tetanus (Dodds et al., 2007; Izurieta et al., 2000; Jamieson et al., 2009; Munoz, 2002; Sheffield & Ramin, 2004). Prenatal transfer of select maternal antibodies are highly protective against these illnesses for infants (Marshall, McMillan, Andrews, Macartney, & Edwards, 2016). In a multi-year study of all pregnant women and their infants enrolled in a single health system, researchers examined the incidence rate of infant pertussis based on maternal vaccination. These researchers found that maternal tetanus, diphtheria, and pertussis (Tdap) vaccines during pregnancy reduced the risk of infant pertussis by 91% in the first 2 months and 69% in the first year of life (Baxter, Bartlett, Fireman, Lewis, & Klein, 2017). Similar findings were found from another group who examined pertussis toxin antibodies. Thes
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