Local-Level Adult Influenza and Pneumococcal Vaccination Disparities: Chicago, Illinois, 2015--2016.

Influenza vaccines; Pneumococcal vaccines; Public health; Racial differences; Community health services; Influenza prevention; Streptococcal disease prevention; Acculturation; Age distribution; Black people; Confidence; Hispanic Americans; Insurance; Medical cooperation; Patient-professional relations; Probability theory; Race; Research; Sex distribution; Surveys; Trust; Descriptive statistics

Objectives. To investigate local-level adult influenza and pneumococcal vaccination disparities to inform targeted interventions. Methods. Questions on influenza and pneumococcal vaccination uptake were included in a door-to-door community-based representative survey conducted in 10 Chicago, Illinois, neighborhoods in 2015 and 2016. A total of 1543 adults completed the survey, including 172 adults aged 65 years or older.We calculated adult influenza (⩾18 years) and pneumococcal (⩾65 years) vaccination coverage by community area and respondent characteristics. Results. We observed significant differences in pneumococcal vaccination coverage between community areas (range = 18%-91%). Influenza vaccination coverage differed by gender, age, insurance coverage, acculturation, and confidence or trust in physician. Non-Hispanic Blacks were more likely to be vaccinated when they had higher confidence or trust in their physician (45% vs 20%; P < .01). Mexicans who reported less acculturation were more likely to be vaccinated than were Mexicans who were more acculturated (41% vs 27%; P = .02). Conclusions. Striking disparities between neighborhoods and racial/ethnic groups in adult influenza and pneumococcal vaccination coverage highlight the need for improved local-level immunization coverage data. [ABSTRACT FROM AUTHOR]

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