Influenza and Tdap Vaccination Coverage Among Pregnant Women — United States, April 2018 (original) (raw)

2018, Morbidity and Mortality Weekly Report

Abbreviation: N/A = not applicable. * Women pregnant any time during October-January were included in the analysis to assess influenza vaccination coverage for the 2017-18 season. Women who received an influenza vaccination since July 1, 2017, before or during their pregnancy were considered vaccinated. † Women pregnant any time since August 1, 2017, and had a live birth were included in the analysis to assess Tdap coverage. Women who received a Tdap vaccination during their recent pregnancy were considered vaccinated. § ≥5 percentage-point difference compared with reference group. ¶ Reference group for comparison within subgroups. ** Race/ethnicity was self-reported. Women identified as Hispanic might be of any race. Women categorized as white, black, or other race were identified as non-Hispanic. The "other" race category included Asians, American Indians or Alaska Natives, Native Hawaiians or other Pacific Islanders, and women who selected "other" or multiple races. † † Women considered to have any public insurance selected at least one of the following when asked what kind of medical insurance they had: Medicaid, Medicare, Indian Health Service, state sponsored medical plan, or other government plan. Women considered to have private/military insurance selected private medical insurance and/or military medical insurance and did not select any type of public insurance. § § Estimates not reported because sample size was <30. ¶ ¶ Women who were employed for wages and self-employed were categorized as working; those who were out of work, homemakers, students, retired, or unable to work were categorized as not working. *** Poverty status was defined based on the reported number of people and children living in the household and annual household income, according to the U.S. Census poverty thresholds (https://www.census.gov/data/tables/time-series/demo/income-poverty/historical-poverty-thresholds.html). † † † Conditions associated with increased risk for serious medical complication from influenza, including chronic asthma, a lung condition other than asthma, a heart condition, diabetes, a kidney condition, a liver condition, obesity, or a weakened immune system caused by a chronic illness or by medicines taken for a chronic illness. Women who were missing information were not included in the analysis for high-risk conditions (n = 233). § § § Excluded women who did not report having a provider visit since July 2017 (n = 30) for the influenza vaccination coverage analysis; no women were excluded for the Tdap vaccination coverage analysis.