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Table 2 Substance use by sample participants (n = 77) attending a low-threshold MMT program

From: The relationship between self-reported substance use and psychiatric symptoms in low-threshold methadone maintenance treatment clients

Drug

% (n) Sample Ever Used

Mean Age (SD) of First Use for Lifetime Users

% (n) Sample Using in Preceding 30 days

Of Lifetime Users, Number of Days of Use in Preceding 30 Days M(SD)

Tobacco

100.0 (77)

11.5(4.0)

97.4 (75)

29.68(1.95)

Alcohol

98.7 (76)

13.0(4.5)

21.1 (16)

1.72(5.23)

Crack Cocaine

93.5 (72)

26.1(9.1)

44.2 (34)

4.92(9.39)

Powder Cocaine

89.6 (69)

19.2(5.8)

9.1 (7)

0.59(3.65)

Amphetamine/Methamphetamine

57.1 (44)

20.4(7.0)

0 (0)

0(0)

MDMA1

66.2 (51)

26.5(9.9)

3.9 (3)

0.12(0.52)

Cannabis

94.8 (73)

13.2(3.4)

48.1 (37)

6.47(10.70)

LSD2

84.4 (65)

16.2(3.7)

1.3 (1)

0.14(1.13)

Psilocybin

71.4 (55)

17.0(4.4)

0 (0)

0(0)

Mescaline

59.7 (46)

19.1(4.7)

0 (0)

0(0)

Peyote

14.3 (11)

18.5(2.8)

0 (0)

0(0)

Salvia

14.3 (11)

32.2(11.3)

1.3 (1)

0.90(0.30)

GHB3

9.1 (7)

20.4(6.3)

0 (0)

0(0)

Peyote

14.3 (11)

18.5(2.8)

0 (0)

0(0)

PCP4

44.2 (34)

20.8(7.4)

1.3 (1)

0.47(2.65)

Ketamine

23.4 (18)

26.1(7.3)

2.6 (2)

1.06(4.24)

Inhalants

40.3 (31)

16.6(7.0)

1.3 (1)

0.32(0.18)

Opium

22.1 (17)

22.4(6.7)

0 (0)

0(0)

Heroin

49.4 (38)

24.3(6.1)

0 (0)

0(0)

Only Prescribed Prescription Opioids

88.3(68)

--5

9.1(7)

--

Any Non-prescribed Prescription Opioids

98.7 (76)

--

24.7 (19)

--

Only Prescribed Benzodiazepines

76.6 (59)

--

20.8 (16)

--

Any Non-prescribed Benzodiazepines

89.6 (69)

--

40.3 (31)

--

  1. 13,4-Methylenedioxymethamphetamine
  2. 2Lysergic acid diethylamide
  3. 3Gamma-hydroxybutyrate
  4. 4Phencyclidine
  5. 5Data for the general categories of Only Prescription Opioids, Any Non-Prescribed Prescription Opioids, Only Prescribed Benzodiazepines and Any Non-Prescribed Benzodiazepines were not collected for age of ever use and number days of use/past 30.