Table 2.
Risk behaviors by site
| Nairobi (n = 106) | Beijing (n = 366) | Hanoi (n = 645) | Kharkiv (n = 438) | Minsk (n = 400) | St. Petersburg (n = 400) | Bogota (n = 237) | Gran Rosario (n = 329) | Rio de Janeiro (n = 189) | Santos (n = 74) | |
| Receptive Sharing | 28 | 27 | 19 | 52 | 30 | 54 | 47 | 23 | 36 | 22 |
| Distributive Sharing | 44 | 22 | 9 | 47 | 32 | 65 | 44 | 16 | 39 | 15 |
| Cooker/Cotton/RinseWater Sharing | 40 | 16 | 9 | 28 | 59 | 81 | 68 | 30 | 48 | 43 |
| Drawing From a Common Solution | 18 | 20 | 14 | 82 | 68 | 80 | 67 | 27 | 63 | 32 |
| Pre-Filled Syringe | 3 | 1 | 11 | 61 | 26 | 6 | 3 | 20 | 32 | 18 |
| Frontloading/Backloading/Splitting | 14 | 9 | 14 | 23 | 25 | 69 | 2 | 13 | 17 | 8 |
| Receptive Sharing Primary Sex Partner | 6 | 3 | 3 | 16 | 7 | 15 | 6 | 8 | 3 | 7 |
| Receptive Sharing Close Friend | 22 | 23 | 14 | 39 | 23 | 36 | 34 | 18 | 26 | 15 |
| Distributive Sharing Primary Sex Partner | 5 | - | 1 | 16 | 8 | 17 | 5 | 5 | 8 | 3 |
| Distributive Sharing Close Friend | 42 | - | 5 | 37 | 20 | 40 | 37 | 13 | 26 | 8 |
| Unprotected Sex Primary Partners | 39 | 47 | 40 | 83 | 58 | 38 | 58 | 50 | 53 | 51 |
| Unprotected Sex Casual Partners | 7 | 10 | 5 | 27 | 20 | 12 | 27 | 25 | 50 | 18 |
Notes: Cell contents are the percentage of IDUs engaging in the risk behavior in the past 6 months. IDUs in Beijing were not asked about distributive sharing with primary sex partners and close friends. Missing data for other sites and behaviors ranged from 0–10% but was less than 1% in 75% of the 118 cells above.