Infectious Diseases in Obstetrics and Gynecology / 2020 / Article / Tab 1

Research Article

Factors Associated with Antenatal Influenza Vaccination in a Medically Underserved Population

Table 1

Demographic and clinical characteristics of pregnant women with deliveries by influenza vaccination status, July 1, 2016–June 30, 2018.

CharacteristicTotal study population No influenza vaccination (50.2%)Influenza vaccination (49.8%)

Age at delivery (years)
 <21571 (15.3)308 (16.5)263 (14.2)
 21–342594 (69.7)1296 (69.3)1298 (70.1)
 >34558 (15.0)266 (14.2)292 (15.8)
Race/ethnicity
 Black, non-Hispanic2529 (68.4)1405 (75.7)1124 (61.1)
 Hispanic834 (22.6)299 (16.1)535 (29.1)
 Other, non-Hispanic216 (5.9)78 (4.2)138 (7.5)
 White, non-Hispanic116 (3.1)73 (3.9)43 (2.3)
Interpreter use
 No interpreter2872 (77.1)1552 (83.0)1320 (71.2)
 Spanish570 (15.3)202 (10.8)368 (19.9)
 Other language281 (7.6)116 (6.2)165 (8.9)
Parity
 0868 (23.3)444 (23.8)424 (22.9)
 1279 (7.5)132 (7.1)147 (7.9)
 2901 (24.2)424 (22.7)477 (25.7)
 ≥31673 (45.0)868 (46.5)805 (43.4)
Chronic medical condition
 Asthma357 (9.6)185 (9.9)172 (9.3)
 Cardiovascular disease33 (0.9)18 (1.0)15 (0.8)
 Diabetes mellitus96 (2.6)34 (1.8)62 (3.3)
 HIV-positive status81 (2.2)34 (1.8)47 (2.5)
Tobacco use in pregnancy414 (11.4)260 (14.2)154 (8.6)
Prenatal care adequacy
 Inadequate1614 (43.5)912 (49.0)702 (38.0)
 Intermediate553 (14.9)183 (9.8)370 (20.0)
 Adequate696 (18.7)221 (11.9)475 (25.7)
 Adequate plus249 (6.7)79 (4.2)170 (9.2)
 Unknown601 (16.2)468 (25.1)133 (7.2)
Primary insurance type
 Self-pay229 (6.2)40 (7.5)89 (4.8)
 Medicaid3275 (87.9)1613 (86.3)1662 (89.6)
 Medicare19 (0.5)13 (0.7)6 (0.3)
 Commercial201 (5.4)104 (5.6)97 (5.2)

Influenza vaccination was defined as documented administration of influenza vaccine in the Grady Health System EHR, the Georgia Registry of Immunization Transactions and Services, or self-reported receipt of influenza vaccine within the time frame of twelve months before delivery and the delivery date. Other, non-Hispanic race/ethnicity includes Asian, Hawaiian/other Pacific Islander, Native American, and multiple races. Data are (%). Data were missing for <5% of all variables.

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.