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Table 2 Injecting and sharing behaviors among 402 recruited IDUs

From: Ability to access community-based needle-syringe programs and injecting behaviors among drug users: a cross-sectional study in Hunan Province, China

  Overall Ability to access to NSP syringes χ2-test Venue stratification χ2-test
   <40% 40-70% >70% 2, p-value) MDC Community NSP 2, p value)
  N (%) N (%) N (%) N (%)   N (%) N (%) N (%)  
Used drugs in the last 30 days (n = 402)*
Yes 398 (99.0) 139 (97.9) 55 (100) 204 (99.5)   74 (94.9) 171 (100) 153 (100)  
No 4 (1.0) 3 (2.1) 0 (0) 1 (0.5) 2.89, p = 0.236 4 (5.1) 0 (0) 0 (0) 16.782, p < 0.001†
Frequency of injecting drugs in the last 30 days (n = 392)
<1 times / day 41 (10.5) 12 (8.8) 4 (7.4) 25 (12.4)   7 (9.6) 19 (11.1) 15 (10.1)  
1-2 times / day 220 (56.1) 68 (50.0) 21 (38.9) 131 (64.9)   37 (50.7) 109 (63.7) 74 (50.0)  
3-5 times / day 115 (29.3) 46 (33.8) 28 (51.9) 41 (20.3)   22 (30.1) 39 (22.8) 54 (36.5)  
>6 times / day 16 (4.1) 10 (7.4) 1 (1.9) 5 (2.5) 29.439, p < 0.001† 7 (9.6) 4 (2.3) 5 (3.4) 15.236, p = 0.019†
Times of repeated use per needle/syringe before disposal in the last 30 days (n = 389)
0 4 (1.0) 0 (0) 3 (5.9) 1 (0.5)   0 (0) 0 (0) 4 (2.7)  
1 248 (63.8) 81 (58.7) 26 (51.0) 141 (70.5)   49 (66.2) 111 (65.7) 88 (60.3)  
2-5 131 (33.7) 54 (39.1) 22 (43.1) 55 (27.5)   21 (28.4) 57 (33.7) 53 (36.3)  
6-9 1 (0.3) 1 (0.7) 0 (0) 0 (0)   1 (1.4) 0 (0) 0 (0)  
≥10 5 (1.3) 2 (1.4) 0 (0) 3 (1.5) 6.84, p = 0.033† 3 (4.1) 1 (0.6) 1 (0.7) 0.151, p = 0.927
Average ± SD 1.62 ± 1.32 1.80 ± 1.45 1.55 ± 0.86 1.52 ± 1.31   1.93 ± 2.00 1.54 ± 1.05 1.56 ± 1.13  
Shared syringes in the last 30 days (n = 400)
Yes 35 (8.8) 23 (16.3) 7 (12.7) 5 (2.5)   15 (19.5) 4 (2.3) 16 (10.5)  
No 365 (91.2) 118 (83.7) 48 (87.3) 199 (97.5) 21.326, p < 0.001† 62 (80.5) 167 (97.7) 136 (89.5) 20.507, p < 0.001†
Number of times shared syringes in the last 30 days (n = 29)
1 10 (34.5) 9 (45.0) 1 (16.7) 0 (0)   8 (66.7) 0 (0) 2 (15.4)  
2-5 16 (55.2) 9 (45.0) 5 (83.3) 2 (66.7)   4 (33.3) 3 (75.0) 9 (69.2)  
≥6 3 (10.3) 2 (10.0) 0 (0) 1 (33.3) 4.83, p = 0.090 0 (0) 1 (25.0) 2 (15.4) 5.780, p = 0.056
Average ± SD 4.28 ± 6.85 4.15 ± 7.37 2.17 ± 0.98 9.33 ± 9.29   1.55 ± 0.93 6.75 ± 8.85 5.92 ± 8.78  
Number of sharing partners in the last 30 days (n = 31)
1 10 (31.3) 5 (22.7) 5 (71.4) 0 (0)   4 (28.6) 1 (25.0) 5 (35.7)  
2-5 20 (62.5) 15 (68.3) 2 (28.6) 3 (100)   9 (64.3) 3 (75.0) 8 (57.1)  
6-9 1 (3.1) 1 (4.5) 0 (0) 0 (0)   0 (0) 0 (0) 1 (7.1)  
≥10 1 (3.1) 1 (4.5) 0 (0) 0 (0) 6.73, p = 0.035† 1 (7.1%) 0 (0) 0 (0) 0.594, p = 0.743
Average ± SD 2.53 ± 1.98 2.82 ± 2.26 1.43 ± 0.79 3.00 ± 0.0   2.64 ± 2.50 2.25 ± 0.96 2.85 ± 1.99  
Maximum number of group sharing partners in the last 30 days (n = 32)
1 2 (6.3) 1 (4.5) 1 (14.3) 0 (0)   1 (7.1) 0 (0) 1 (7.1)  
2-5 28 (87.5) 20 (90.9) 5 (71.4) 3 (100)   13 (92.9) 4 (100) 11 (78.6)  
6-9 2 (6.3) 1 (4.5) 1 (14.3) 0 (0) 3.19, p = 0.203 0 (0) 0 (0) 2 (14.3) 0.867, p = 0.648
Average ± SD 2.94 ± 1.68 2.86 ± 1.42 3.00 ± 2.71 3.33 ± 0.58   2.50 ± 0.76 2.50 ± 0.58 3.50 ± 2.35  
  1. ‡ Ability to access to NSP syringes is defined as the proportion of syringes obtained from NSPs during the past 3 months at the time of survey.
  2. † p-value is significantly (<0.05) by Chi-2 test.
  3. * Number in bracket refers to the number of participants who answered the particular question.