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Table 1 Frequency distribution of demographic variables by treatment modality

From: Characterizing substance users and risk profiles across treatment centers: insights from Iran

Variables

MMT N:220

DICs N:101

TC N:48

Article 16 N:101

P-Value

Total N: 470

Sex

Male (%)

184(83.64)

89(88.12)

48(100)

101 (100)

0.000

422(89.79)

Female (%)

36(16.36)

12(11.88)

0(0)

0(0)

48(10.21)

Age

 < 25 years (%)

10(4.55)

10(9.9)

5(10.42)

8(7.92)

0.000

33(7.02)

26–45 years (%)

134(60.91)

68(67.33)

41(85.42)

78(77.23)

321(68.30)

46 years ≤ (%)

76(34.55)

23(22.77)

2(4.17)

15(14.85)

116(24.68)

Education

Illiterate (%)

60(27.27)

37(36.63)

7(14.58)

40(36.60)

0.0000

144(30.64)

Incomplete high school diploma (%)

75(34.09)

40(36.60)

13(27.08)

44(43.56)

172(36.60)

High school diploma (%)

58(26.36)

18(23.19)

21(43.75)

12(11.88)

109(23.19)

University degree (%)

27(12.27)

6(9.57)

7(14.58)

5(4.95)

45(9.57)

Marital status

Single (%)

35(15.91)

75(25.74)

23(47.92)

39(38.61)

0.000

123(26.17)

Married (%)

163(74.09)

56(55.45)

22(45.83)

56(55.45)

297(63.19)

Divorced/Widowed (%)

22(10)

19(18.81)

3(6.25)

6(5.94)

50(10.64)

Occupation

Unemployed (%)

32(14.55)

43(42.57)

25(52.08)

38(37.62)

0.000

138(29.36)

Part-time (%)

135(61.36)

45(44.55)

15(31.25)

45(44.55)

240(51.06)

Full-time (%)

53(24.09)

13(12.87)

8(16.67)

18(12.87)

92(19.57)

Age at first use

43(19.55)

48(47.52)

23(47.92)

30(29.70)

0.000

144(30.64)

Under 18 years old (%) Over 18 years old (%)

177(80.45)

53(52.48)

25(52.08)

71(70.30)

326(69.36)

History of substance use in family members

Father (%)

72(32.73)

26(25.74)

19(39.58)

15(14.85)

0.000

132(28.09)

Mother (%)

29(13.18)

13(12.87)

2(4.17)

6(5.94)

50(10.46)

Brother (%)

27(12.27)

24(23.76)

6(12.50)

24(23.76)

81(17.23)

Sister (%)

6(2.73)

4(3.96)

0(0)

0(0)

10(2.13)

Friends (%)

83(37.73)

32(31.68)

21(43.75)

56(55.45)

192(40.85)

Children (%)

3(1.36)

2(1.98)

0(0)

0(0)

5(1.06)

Number of attempts to quit

2 times or less (%)

151(68.64)

58(57.43)

28(58.33)

68(67.33)

0.110

305(64.89)

3 to 5 times (%)

43(19.55)

27(26.73)

8(16.67)

23(22.77)

101(21.49)

More than 6 times (%)

26(11.82)

16(15.84)

12(25)

10(9.9)

64(13.62)

Previous treatment-seeking by treatment center

Yes (%)

90 (40.9)

20 (19.8)

27 (56.25)

37 (36.63)

0.000

174 (37.02)

No (%)

130(59.1)

81 (80.2)

21 (43.75)

64 (63.37)

296 (62.98)

History of injection substance use

Yes (%)

1(0.45)

10(9.9)

2(4.17)

2(1.98)

0.000

15(3.19)

No (%)

219(99.55)

91(90.10)

46(95.83)

99(98.02)

455(96.81)

History of incarceration

Yes (%)

16(7.27)

54(53.47)

18(37.50)

47(46.53)

0.000

135(28.72)

No (%)

204(92.73)

47(46.53)

30(62.50)

54(53.47)

335(71.28)

  1. aIn this study, opioid prescription medications—including methadone, buprenorphine, and tramadol—were classified and reported as a separate category. The label “Prescription Pill” refers specifically to non-opioid medications, primarily encompassing over-the-counter analgesics (e.g., ibuprofen) and sedative agents