Table 1.
Baseline sociodemographic and network characteristics of PWID in Ukraine (N = 1195)
| Control arm (n = 585) | Intervention arm (n = 610) | Overall/Total (N = 1195) | |
|---|---|---|---|
| Age in years | |||
| Mean (SD) | 31.4 (8.8) | 31.2 (7.9) | 31.3 (8.4) |
| Median (IQR) | 30 (25–37) | 30 (25–36) | 30 (25–37) |
| χ2 (p-value) | – | – | 0.01 (0.925) |
| Gender, n (%) | |||
| Female | 136 (23.2) | 165 (27.0) | 301 (25.2) |
| Male | 449 (76.8) | 445 (73.0) | 894 (74.8) |
| χ2 (p-value) | – | – | 2.29 (0.130) |
| Ethnicity, n (%) | |||
| Ukrainian | 427 (73.0) | 473 (77.5) | 900 (75.3) |
| Russian | 137 (23.4) | 121 (19.8) | 258 (21.6) |
| Other | 21 (3.6) | 16 (2.6) | 37 (3.1) |
| χ2 (p-value) | – | – | 3.50 (0.174) |
| City of residence, n (%) | |||
| Odesa | 205 (35.0) | 216 (35.4) | 421 (35.2) |
| Mykolaiv | 193 (33.0) | 218 (35.7) | 411 (34.4) |
| Donetsk | 187 (32.0) | 176 (28.9) | 363 (30.4) |
| χ2 (p-value) | – | – | 1.62 (0.445) |
| Relationship status, n (%) | |||
| Single | 288 (49.2) | 286 (46.9) | 574 (48.0) |
| Married | 85 (14.5) | 89 (14.6) | 174 (14.6) |
| Common law married, cohabiting | 93 (15.9) | 123 (20.2) | 216 (18.1) |
| Separated, divorced | 95 (16.2) | 92 (15.1) | 187 (15.6) |
| Widowed, other | 24 (4.1) | 20 (3.3) | 44 (3.7) |
| χ2 (p-value) | – | – | 4.16 (0.385) |
| Injection frequencya | |||
| Mean (SD) | 3.0 (0.9) | 3.1 (0.9) | 3.0 (0.9) |
| Median (IQR) | 3.0 (2.4–3.7) | 3.1 (2.3–3.7) | 3.1 (2.4–3.7) |
| χ2 (p-value) | – | – | 0.40 (0.525) |
| Gender of network membersb | |||
| Female | 107 (25.8) | 116 (27.6) | 223 (26.7) |
| Male | 307 (74.2) | 304 (72.4) | 611 (73.3) |
| χ2 (p-value) | – | – | 0.33 (0.566) |
| Number of women in network, including index | |||
| 0 | 252 (43.1) | 268 (43.9) | 520 (43.5) |
| 1 | 240 (41.0) | 220 (36.1) | 460 (38.5) |
| 2 | 81 (13.8) | 92 (15.1) | 173 (14.5) |
| 3 | 12 (2.1) | 30 (4.9) | 42 (3.5) |
| χ2 (p-value) | – | – | 9.26 (0.026)* |
| Number of women in network, excluding index | |||
| 0 | 310 (53.0) | 326 (53.4) | 636 (53.2) |
| 1 | 223 (38.1) | 223 (36.6) | 446 (37.3) |
| 2 | 52 (8.9) | 61 (10.0) | 113 (9.5) |
| χ2 (p-value) | – | – | 0.60 (0.742) |
| Index genderc | |||
| Female | 29 (17.0) | 49 (25.8) | 78 (21.6) |
| Male | 142 (83.0) | 141 (74.2) | 283 (78.4) |
| χ2 (p-value) | – | – | 4.14 (0.042)* |
PWID, people who inject drugs; SD, standard deviation; IQR, interquartile range
aLog-transformed
bOut of a total of 834 network members (control: n = 414; intervention: n = 420)
cOut of a total of 361 indexes (control: n = 171; intervention: n = 190)
*p < 0.05