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. Author manuscript; available in PMC: 2024 Jul 30.
Published in final edited form as: Drug Alcohol Depend. 2022 Jun 16;237:109540. doi: 10.1016/j.drugalcdep.2022.109540

Table 1.

Characteristics of Syringe Services Program Participants in Vaccination Barriers and Opportunities Survey, June–August 2021.

N (%) or median (IQR)
Characteristics Overall (N = 105) SSPs with vaccinations (n =
46)
SSPs without vaccinations (n =
59)
P-
valuea
Total client visits per month, median (IQR) (3 missing) 200 (75, 382) 125 (73, 250) 250 (110, 443) 0.018
Number of clients (deduplicated) served per month, median (IQR) (20 missing) 100 (45, 210) 77 (28, 145) 135 (70, 300) 0.025
% of clients served at your SSP by age category (8 missing)
  Age 20 years or younger, median (IQR) 5 (1, 10) 5 (2, 10) 5 (1, 10) 0.290
  Age 21–64 years, median (IQR) 90 (75, 94) 90 (80, 90) 88 (75, 94) 0.991
  Age 65 years or older, median (IQR) 5 (2, 10) 5 (3, 15) 5 (2, 10) 0.595
% of clients served at your SSP by gender category (5 missing)
  Male gender, median (IQR) 60 (51, 69) 60 (50, 65) 60 (54, 70) 0.137
  Female gender, median (IQR) 39 (30, 45) 40 (35, 49) 35 (29, 43) 0.019
  Transgender, median (IQR) 1 (0, 2) 0 (0, 2) 1 (0, 3) 0.009
% of clients served at your SSP by race category (13 missing)
  American Indian/Alaska Native, median (IQR) 1 (0, 5) 1 (0, 7) 1 (0, 3) 0.264
  Asian, median (IQR) 0 (0, 1) 0 (0, 1) 1 (0, 2) 0.033
  Black/African American, median (IQR) 5 (1, 15) 2 (0, 10) 9 (2, 20) 0.008
  Native Hawaiian/Other Pacific Islander, median (IQR) 0 (0, 1) 0 (0, 0) 0 (0, 1) 0.098
  White, median (IQR) 78 (58, 90) 82 (56, 95) 70 (60, 88) 0.221
  Other race, median (IQR) 1 (0, 5) 0 (0, 5) 1 (0, 4) 0.987
  More than one race, median (IQR) 1 (0, 5) 0 (0, 5) 2 (0, 10) 0.233
% of clients who are Hispanic or Latino, median (IQR) (19 missing) 10 (2, 30) 5 (2, 28) 12 (3, 30) 0.165
% of clients experiencing homelessness, median (IQR) (7 missing) 45 (25, 60) 40 (25, 55) 50 (30, 70) 0.114
Rural or urban setting (4 missing)
  Mostly rural 43 (42.6) 27 (60.0) 16 (28.6)
  Mostly urban 58 (57.4) 18 (40.0) 40 (71.4) 0.002
SSP service delivery model
  Fixed site 86 (81.9) 43 (93.5) 43 (72.9) 0.001
  Mobile/street-based 57 (54.3) 15 (32.6) 42 (71.2) < 0.001
  Secondary or peer-delivery 37 (35.2) 8 (17.4) 29 (49.2) < 0.001
  Delivery 32 (30.5) 11 (23.9) 21 (35.6) 0.209
Who operates your SSP?
  Community-based organization or community coalition 62 (59.0) 14 (30.4) 48 (81.4) < 0.001
  Health department 34 (32.4) 28 (60.9) 6 (10.2) < 0.001
  Substance use treatment or behavioral health facility 11 (10.5) 5 (10.9) 6 (10.2) 1.000
  Federally Qualified Health Center, community health center, rural health clinic 7 (6.7) 3 (6.5) 4 (6.8) 1.000
  Hospital or health system 6 (5.7) 4 (8.7) 2 (3.4) 0.401
  University (non-medical) 3 (2.9) 2 (4.3) 1 (1.7) 0.580

Note. IQR = interquartile range; SSP = syringe services program.

a

P-values compare SSPs with vaccinations and SSPs without vaccinations.