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Table 3 The comparison of syringe sharing between injection-related variables

From: Needle and syringe sharing among Iranian drug injectors

    Syringe sharinge  
    Number Percent P value
First place of injection Own home, home of friends, student home   382 31.6% 0.003
Roofless public places   206 41.4%  
Roofed public places   88 50%  
Frequency of injection Lower than once per day   145 31% 0.001
Once and higher per day   573 38.2%  
Site of injection Hand No 76 34.4% 0.639
  Yes 673 36.0%  
Foot No 393 29.9% <0.001
  Yes 356 45.8%  
Groin No 393 29.9% <0.001
  Yes 160 58.4%  
Testis No 575 32.1% <0.001
  Yes 174 57.6%  
Neck No 622 33.4% <0.001
  Yes 127 56.2%  
Other No 725 35.6% 0.316
  Yes 24 42.1%  
Cause of first injection Speed of effect No 446 32.9% <0.001
  Yes 303 41.2%  
pleasure/enjoyment No 404 30.7% <0.001
  Yes 345 44.5%  
Effect less of before mode of drug use No 526 33.3% <0.001
  Yes 223 43.6%  
Pry No 589 35.9% 0.864
  Yes 160 35.5%  
Relief of use No 573 35.2% 0.265
  Yes 176 38.0%  
Pressure of friends No 610 35.2% 0.208
  Yes 139 38.7%  
Substance was not out of reach No 668 35.0% 0.007
  Yes 81 45.0%  
Low quality of present drugs No 665 34.5% <0.001
  Yes 84 52.2%  
Lower cost of injection No 603 32.7% <0.001
  Yes 146 59.6%  
Treatment of addiction No 736 36.2% 0.031
  Yes 13 22.4%  
Where do you usually inject? Own's home No 375 39.8% 0.001
  Yes 374 32.6%  
Park No 575 33.3% <0.001
  Yes 174 48.1%  
School No 743 35.8% 0.436
  Yes 6 46.2%  
Street and lane No 554 32.2% <0.001
  Yes 195 52.2%  
"Kharabe" No 385 26.2% <0.001
  Yes 364 58.4%  
Student's house No 740 35.7% 0.208
  Yes 9 50%  
Soldiers' camp No 737 35.5% <0.001
  Yes 12 80%  
Prison No 663 33.5% <0.001
  Yes 86 76.8%  
Work place No 661 35.5% 0.44
  Yes 88 38.1%  
Friend's home No 473 34.6% 0.096
  Yes 276 38.2%  
With whom do you usually inject? Alone   493 33.0% <0.001
With others(friends, relatives)   256 43.0%