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Table 1 Sociodemographic characteristics among participants at the Miami IDEA syringe exchange

From: Baseline differences in characteristics and risk behaviors among people who inject drugs by syringe exchange program modality: an analysis of the Miami IDEA syringe exchange

Characteristics Sample total n (%) Fixed site n (%) Mobile van unit n (%) p value
Total 718 (100.0) 591 (82.3) 127 (17.7)  
Age
Mean ± standard deviation 38.44 ± 11.04 38.13 ± 10.80 39.92 ± 12.06 0.124
 18–24 37 (5.2) 30 (5.1) 7 (5.5) 0.611
 25–29 132 (18.5) 111 (18.9) 21 (16.5)
 30–39 266 (37.2) 224 (38.1) 42 (33.1)
 40–49 162 (22.7) 131 (22.3) 31 (24.4)
 50–59 72 (10.1) 58 (9.9) 14 (11.0)
 ≥60 46 (6.4) 34 (5.8) 12 (9.4)
Gender
 Male 537 (74.8) 456 (77.2) 81 (63.8) 0.002
 Female 180 (25.2) 135 (22.8) 45 (35.4)
Race/ethnicity
 Non-Hispanic White 373 (52.1) 325 (55.2) 48 (37.8) < 0.001
 Non-Hispanic Black or African American 52 (7.3) 29 (4.9) 23 (18.1)
 Hispanic, of any race 261 (3.6) 214 (36.3) 47 (37.0)
 Other 30 (4.2) 21 (3.6) 9 (7.1)
Marital status
 Single 367 (57.3) 320 (58.7) 47 (49.5) 0.050
 Relationship 143 (22.3) 119 (21.8) 24 (25.2)
 Married 62 (9.7) 55 (10.1) 7 (7.4)
 Separated, divorced, or widowed 68 (10.6) 51 (9.4) 17 (17.9)
Sexual orientation
 Heterosexual 579 (85.0) 497 (85.0) 82 (85.4) 0.575
 Gay/lesbian 57 (8.4) 51 (8.7) 6 (6.3)
 Bisexual 45 (6.6) 37 (6.3) 8 (8.3)
Educational attainment
 Some high school or less 93 (14.1) 78 (13.7) 15 (16.5) 0.214
 High school/GED 231 (35.1) 192 (33.8) 39 (42.9)
 Some college/technical school 178 (27.0) 160 (28.2) 18 (19.8)
 College graduate 130 (19.7) 116 (20.4) 14 (15.4)
 Advanced degree 27 (4.1) 22 (3.9) 5 (5.5)
Employment status
 Unemployed > 1 year 222 (33.2) 182 (31.5) 40 (43.5)  
 Unemployed < 1 year 178 (26.6) 154 (26.7) 24 (26.1) 0.031
 Employed (salary, hourly, or self-employed) 240 (35.9) 218 (37.8) 22 (23.9)
 Disability 29 (4.3) 23 (4.0) 6 (6.5)
Household income
 $0–$4999 205 (32.4) 156 (29.1) 49 (51.0) 0.001
 $5000–$14,999 138 (21.8) 123 (24.6) 15 (15.6)
 $15,000–$29,999 125 (19.8) 109 (20.3) 16 (16.7)
 $30,000–$44,999 75 (11.9) 70 (13.1) 5 (5.2)
 $45,000–$74,999 53 (8.4) 48 (9.0) 5 (5.2)
 > $75,000 36 (5.7) 30 (5.6) 6 (6.3)
Housing status  
 Currently homeless 268 (42.1) 210 (38.7) 58 (61.7) < 0.001
 Not homeless 368 (57.9) 332 (61.3) 36 (38.3)
How heard about exchange1
 Word of mouth 433 (69.5) 354 (67.4) 79 (80.6) < 0.001
 Online 149 (23.9) 141 (26.9) 8 (8.2)
 Fliers/newspaper 30 (4.8) 24 (4.6) 6 (6.1)
 Referral from healthcare provider 11 (17.7) 6 (1.1) 5 (5.1)
County of residence
 Miami-Dade 497 (72.2) 402 (70.3) 95 (81.9) 0.031
 Broward 124 (18.0) 112 (19.6) 12 (10.3)
 Other 67 (9.7) 58 (10.1) 9 (7.8)
  1. 1Totals may exceed 100% as participants were allowed to select multiple answers for this question