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Table 1 Characteristics of persons who inject drugs (PWID) living in Thai Nguyen, Vietnam, in a multi-arm randomized control trial (n = 1673)

From: Characteristics of persons who inject drugs and who witness opioid overdoses in Vietnam: a cross-sectional analysis to inform future overdose prevention programs

 

Total study population (N = 1673)

Witness to 3 or more overdoses (N = 765)

Witness to less than 3 overdoses (N = 908)

Baseline characteristics

n (%)

n (%)

n (%)

Age, median (IQR) (years)

36 (28–44)

35 (28–42)

36 (28–44)

Education

 High school or more

702 (42.0)

362 (47.3)

340 (37.4)

 No high school

971 (58.0)

403 (52.7)

568 (62.6)

Marital status

 Not married or living with a partner

853 (51.0)

403 (52.7)

450 (49.6)

 Married or living with a partner

820 (49.0)

362 (47.3)

458 (50.4)

Employment status

 Less than full-time

436 (26.1)

223 (29.1)

213 (23.5)

 Full-time

1237 (73.9)

542 (70.9)

695 (76.5)

Spent the night outside in the past 3 monthsa

 No

1428 (85.4)

613 (80.1)

815 (89.8)

 Yes

245 (14.6)

152 (19.9)

93 (10.2)

Lifetime history of incarceration

 No

1087 (65.0)

450 (58.9)

637 (70.1)

 Yes

585 (35.0)

314 (41.1)c

271 (29.9)

Lifetime history of drug treatment

 No

1160 (69.3)

481 (62.9)

679 (74.8)

 Yes

513 (30.7)

284 (37.1)

229 (25.2)

Recent non-fatal overdoseb

 No

1569 (93.8)

685 (89.5)

884 (97.4)

 Yes

104 (6.2)

80 (10.5)

24 (2.6)

Daily injecting of drugs

 No

815 (48.7)

298 (38.9)

517 (56.9)

 Yes

858 (51.3)

467 (61.1)

391 (43.1)

Needle purchasing behavior purchased at a pharmacya

 No

222 (13.3)

106 (13.9)

116 (12.8)

 Yes

1450 (86.7)

659 (86.1)

791 (87.1)

 Don’t Know

1 (0.1)

0 (0.0)

1 (0.1)

Receptive needle sharing behavior

 No

1120 (66.9)

478 (62.5)

642 (70.7)

 Yes

553 (33.1)

287 (37.5)

266 (29.3)

Lifetime number of years injecting drugs, median (IQR) (years)d

8 (4–12)

9 (5–13)

7 (3–11)

  1. IQR interquartile range
  2. aPast 3 months
  3. bPast 12 months
  4. cOne individual missing information about incarceration history
  5. dThirteen responses “Don’t Know” (n = 1613)