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. Author manuscript; available in PMC: 2024 Nov 15.
Published in final edited form as: Health Aff (Millwood). 2024 Jun;43(6):883–891. doi: 10.1377/hlthaff.2024.00032

Exhibit 3.

Characteristics and COVID-19 vaccine metrics from 218 PWID, Syringe Services Program Clients, Baltimore City Health Department, April 2021-June 2022.

Characteristics N %
Age (Mean, SD) 52 13
Gender
Female 62 28%
Male 156 72%
Race
Black 176 81%
White 21 15%
Other 5 2%
Not Specified 4 2%
Ethnicity
Hispanic or Latino 5 2.5%
Non-Hispanic or Latino 208 95%
Not Specified 5 2.5%
Dose 1 COVID-19 vaccine (n=218)
Viral vector 77 35%
mRNA 141 65%
Dose 2 COVID-19 vaccine (n=133)
Viral vector 4 3%
mRNA 128 96.5%
Unspecified 1 0.5%
Booster 1 COVID-19 vaccine (n=66)
Viral vector 1 1.5%
mRNA 65 98.5%
Booster 2 COVID-19 vaccine (n=9)
mRNA 9 100%

Notes: All values are number and percent except for Age, which is mean and standard deviation.

Source: Author’s analysis of abstracted data from the electronic health record where COVID-19 vaccine data was entered Please list sources here.