Table 3 Factors associated with History of lifetime drug use among FSWs in Iran 2019–2020 using logistic regression

Married

 Marital status

Ref

Ref

 Single

1.23 (0.81, 1.85)

0.331

1.37 (0.82, 2.31)

0.230

 Divorced

0.97 (0.73, 1.29)

0.820

0.84 (0.59, 1.21)

0.353

 Concubine

1.21 (0.82, 1.78)

0.344

0.62 (0.38, 1.01)

0.056

 Widow

1.45 (0.94, 2.25)

0.094

1.28 (0.73, 2.24)

0.387

 Living with partner

2.61 (1.39, 4.92)

0.003

2.22 (0.94, 5.26)

0.069

 Education level^a

1.20 (1.12, 1.29)

 < 0.001

1.18 (1.07, 1.30)

0.001

Type of FSWs

 Indirect sex worker

Ref

Ref

 Direct sex worker

1.75 (1.27, 2.42)

0.001

1.77 (1.21, 2.61)

0.004

 Age of first transactional sex

0.98 (0.97, 0.99)

0.008

1.00 (0.98, 1.01)

0.586

History of worked in team houses/hangouts

 No

Ref

Ref

 Yes

1.71 (1.38, 2.12)

 < 0.001

1.51 (1.10, 2.06)

0.010

History of intentional abortion

 No

Ref

Ref

 Yes

1.48 (1.18, 1.85)

0.001

1.41 (1.07, 1.87)

0.014

Using of condom in last sex (Vaginal, anal or oral)

 No

Ref

Ref

 Yes

1.59 (1.26, 2.00)

 < 0.001

1.61 (1.19, 2.17)

0.002

History of arrest or prison

 No

Ref

Ref

 Yes

4.51 (3.54, 5.75)

 < 0.001

3.05 (2.25, 4.14)

 < 0.001

Violent sex

 No

Ref

Ref

 Yes

1.76 (1.42, 2.20)

 < 0.001

0.99 (0.73, 1.34)

0.952

HIV sero-status

 Negative

Ref

Ref

 Positive

3.91 (1.66, 9.19)

0.002

8.24 (1.66, 40.90)

0.010

Alcohol use

 No

Ref

Ref

 Yes

2.08 (1.65, 2.64)

 < 0.001

1.69 (1.24, 2.29)

0.001

The main way to find clients Cyberspace (phone, internet)

Ref

Ref

Hangout

1.33 (0.85, 2.09)

0.212

0.60 (0.33, 1.08)

0.089

Pimp

1.60 (1.12, 2.29)

0.011

1.03 (0.67, 1.59)

0.888

Others (party, shopping center, streets, friends, hotel, etc.)

1.84 (1.34, 2.53)

 < 0.001

1.46 (1.01, 2.12)

0.047