Skip to main content
. 2021 Mar 16;18:33. doi: 10.1186/s12954-021-00477-5

Table 2.

Prevalence of lifetime and past-month non-injection drug use and drug injection among street-based female sex workers in Iran, 2017

Non-injection drug use Injection drug use
% Lifetime 95% CI % Past-month 95% CI % Lifetime 95% CI % Past-month 95% CI
Overall 60.36 57.07, 63.57 47.22 43.91, 50.54 8.69 6.93, 10.72 3.78 2.64, 5.25
Age at interview
 18–24 50.43 41.03, 59.79 42.73 33.63, 52.21 5.12 1.19, 1.08 2.56 0.53, 7.31
 25–34 60.16 55.00, 65.15 45.99 40.85, 51.18 8.02 5.47, 11.25 4.54 2.66, 7.17
 ≥ 35 67.31 62.22, 72.10 53.30 48.02, 58.51 11.54 8.44, 15.27 3.85 2.11, 6.36
Education
 Never attended school 59.68 46.44, 71.94 43.55 30.99, 56.74 8.06 2.67, 17.82 3.22 0.39, 11.17
 Primary school 66.06 59.41, 72.27 51.58 44.78, 58.33 12.67 8.58, 17.78 5.88 3.16, 9.84
 Secondary school 65.97 59.61, 71.93 44.60 49.08, 61.97 10.37 6.82, 14.93 3.32 1.44, 6.43
 High school 54.19 46.01, 62.21 39.35 31.61, 47.51 3.87 1.43, 8.23 2.58 0.70, 6.57
 Diploma or college 56.22 49.06, 63.18 42.79 35.84, 49.93 69.96 38.59, 11.41 3.48 1.41, 7.04
Marital status
 Single (never married) 40.34 33.98, 46.94 29.61 23.83, 35.92 6.00 3.32, 9.87 3.43 1.49, 6.65
 Currently married 65.77 57.56, 73.34 44.29 36.16, 52.65 5.36 2.34, 10.30 1.34 0.16, 4.76
 Divorced 67.51 62.36, 72.36 58.47 53.14, 63.65 8.76 6.02, 12.19 3.39 1.76, 5.84
 Temporarily married 78.57 68.26, 86.77 57.14 45.87, 67.89 13.09 6.72, 22.22 7.43 2.66, 14.90
 Widowed 57.69 45.97, 68.80 43.59 32.38, 55.29 17.95 10.17, 28.27 7.69 2.87, 15.99
Income
 $230 USD or less 74.04 64.51, 82.14 58.65 48.5, 68.22 10.58 5.39, 18.13 3.85 1.05, 9.55
 $230 to $1100 USD 63.34 59.09, 71.21 47.41 41.09, 53.78 13.15 9.22, 17.96 6.37 3.68, 10.14
 $1100 to $2200 USD 52 45.61, 58.33 42 35.80, 48.38 8.4 5.27, 12.55 4.4 2.21, 7.73
 $2200 USD or more 66.86 59.22, 73.90 57.40 49.57, 64.95 4.14 1.68, 8.34 0.00 0.00, 2.15
Housing status
 Living with family, friends, partner or spouse 57.72 53.22, 62.13 42.89 38.46, 47.39 6.91 4.83, 9.52 3.05 1.71, 4.97
 Living in their own house 50 40.22, 59.77 35.18 26.24, 44.96 9.25 4.52, 16.36 5.55 2.06, 11.70
 Homeless 76.19 69.84, 81.78 64.76 57.88, 71.21 14.28 9.85, 19.76 5.24 2.64, 9.17
Duration of sex work
 ≤ 5 53.05 45.11, 60.87 42.07 34.41, 50.01 5.49 2.53–10.16 3.05 0.9, 6.97
 > 5 66.85 62.68, 70.83 52.62 48.28, 56.92 11.80 9.18–14.84 5.06 3.35, 7.27
Age at first sex (years)
  ≤ 18 68.69 64.72, 72.46 55.30 51.13, 59.41 10.60 8.21, 13.41 4 2.55, 5.94
 > 18 49.59 43.15, 56.04 37.70 31.60, 44.11 6.56 3.79, 10.43 4.10 1.98, 7.40
Age at sex work debut (years)
 ≤ 18 63.39 56.71, 69.70 45.09 38.45, 51.85 11.16 7.35, 16.03 4.91 2.47, 8.61
 > 18 62.15 57.74, 66.41 50.80 46.33, 55.25 9.56 7.13, 12.47 4.18 2.60, 6.32
Number of clients per month
 < 5 55.40 48.45, 62.19 30.52 24.40, 37.17 6.57 3.63, 10.78 2.82 1.04, 6.03
 6–15 56.22 48.74, 63.48 42.16 34.95, 49.62 12.43 8.04, 18.06 7.03 3.79, 11.17
 16–30 71.75 63.22, 79.27 61.83 52.93, 70.17 12.98 7.74, 19.96 6.11 2.67, 11.67
 > 30 82.5 74.50, 88.82 79.17 70.80, 86.04 7.5 3.48, 13.76 0.8 0.02, 4.5
Group sex (ever)
 No 60.24 56.13, 64.24 45.44 41.33, 49–58 7.23 5.25, 9.64 3.10 1.84, 4.85
 Yes 60.75 58.81, 70.35 53.96 47.90, 59.92 12.23 8.62, 16.66 5.39 3.05, 8.74
Ever consumed alcohol
 No 41 36.13, 45.99 32.25 27.69, 37.07 3.75 2.11, 6.10 2.25 1.03, 4.22
 Yes 75.90 71.89, 79.59 59.24 54.77, 63.58 12.65 9.85, 15.89 5.02 3.27, 7.32
Ever incarcerated
 No 49.69 45.74, 53.63 40.16 36.33, 44.07 4.69 3.18, 6.62 3.28 2.04, 4.97
 Yes 86.82 82.07, 90.69 64.73 58.56, 70.55 18.60 14.04, 23.89 5.04 2.70, 8.46