Table 1 Demographic characteristics by lifetime drug use and pattern of current drug use among FSWs in Iran during 2019–2020

Prevalence

70.7 (66.30–75.12)

29.3 (24.9–33.71)

-

9.39 (6.70–12.07)

9.47 (6.19–12.47)

-

Age mean ± SD

35.76 (9.15)

35.76 (9.05)

35.97 (9.41)

0.676

35.59 (9.07)

36.85 (9.89)

36.16 (9.11)

0.840

Age group

  ≤ 30 years

468 (31.76)

315 (70.83)

153 (29.17)

0.249

367 (81.52)

47 (8.49)

54 (9.98)

0.478

 31–40 years

599 (40.23)

395 (73.01)

204 (26.99)

487 (83.13)

44 (8.74)

68 (8.13)

 41–50 years

340 (22.88)

211 (66.77)

129 (33.23)

261 (77.61)

31 (11.21)

48 (11.17)

  ≥ 51 years

73 (5.12)

50 (69.46)

23 (30.54)

56 (79.01)

10 (11.83)

7 (9.17)

Marital status

 Single

146 (10.46)

92 (68.13)

54 (31.87)

0.002

117 (83.41)

14 (10.00)

15 (6.59)

0.002

 Married

315 (24.94)

213 (71.52)

102 (28.48)

252 (78.30)

35 (9.90)

28 (11.79)

 Divorced

676 (46.05)

462 (74.78)

214 (25.22)

553 (85.29)

53 (8.30)

70 (6.41)

 Concubine

172 (8.13)

109 (61.37)

63 (38.63)

132 (73.77)

10 (8.98)

30 (17.24)

 Widow

117 (8.19)

69 (63.59)

48 (36.41)

82 (73.24)

12 (12.85)

23 (13.91)

 Living with partner

45 (2.23)

20 (52.08)

25 (47.92)

29 (77.07)

8 (13.70)

8 (9.23)

Education

 Illiterate

109 (8.27)

59 (62.82)

50 (37.18)

0.011

73 (72.27)

14 (13.18)

22 (14.56)

0.066

 Elementary

302 (21.69)

186 (68.49)

116 (31.51)

225 (79.61)

36 (11.92)

41 (8.47)

 Middle school

357 (25.07)

212 (67.47)

145 (32.53)

273 (80.06)

34 (8.98)

50 (10.96)

 High school

173 (10.89)

115 (69.69)

58 (30.31)

137 (79.33)

16 (11.10)

20 (9.57)

 Diploma

381 (24.10)

289 (76.30)

92 (23.70)

330 (85.40)

22 (6.90)

29 (7.70)

 Academic

157 (9.96)

109 (77.32)

48 (22.68)

132 (86.00)

10 (6.04)

15 (7.95)

Type of FSWs

 Direct sex worker

1153 (79.90)

742 (68.75)

411 (31.25)

0.004

906 (80.33)

110 (10.38)

137 (9.29)

0.558

 Indirect sex worker

233 (20.10)

177 (78.00)

56 (22.00)

192 (82.03)

20 (8.16)

21 (9.81)