N |
38 |
37 |
38 |
39 |
|
|
|
Methadone Maintenance:
|
|
|
|
|
|
|
|
Mean methadone dose (mg/day; wks 3–14) |
69.2(11.6) |
70.0(12.4) |
68.4(15.8) |
69.5(14.4) |
F=0.09 |
3 |
p=0.96 |
Mean no. missed doses (wks 3–14) |
0.29(0.56) |
0.22(0.30) |
0.61(1.48) |
0.34(0.58) |
χ2=3.17 |
3 |
p=0.36 |
Opioid Use:
|
|
|
|
|
|
|
|
Mean % opioid-positive screens (wk 2) |
59.6(41) |
68.5(42) |
56.1(45) |
71.8(40) |
χ2=3.46 |
3 |
p=0.32 |
Mean % opioid-positive screens (wks 3–14) |
49.2(35) |
51.7(40) |
52.4(39) |
58.1(36) |
χ2=1.10 |
3 |
p=0.78 |
Mean no. bags of heroin used/wk (wk 2) |
7.2(14.4) |
9.6(24.0) |
5.8(9.6) |
7.5(13.8) |
χ2=1.65 |
3 |
p=0.65 |
Mean no. bags of heroin used/wk (wks 3–14) |
1.1(3.2) |
3.5(5.4) |
2.4(2.8) |
3.0(4.6) |
χ2=2.24 |
3 |
p=0.53 |
Mean no. pills opioids used/wk (wk 2) |
1.08(3.59) |
1.08(3.39) |
0.95(3.28) |
0.63(3.4) |
χ2=2.30 |
3 |
p=0.51 |
Mean no. pills opioids used/wk (wks 3–14) |
0.90(1.96) |
0.26(1.18) |
0.27(0.61) |
0.20(0.66) |
χ2=6.11 |
3 |
p=0.11 |
Alcohol Use:
|
|
|
|
|
|
|
|
Mean drinks alcohol used/wk (wk 2) |
0.02 (0.16) |
0.03 (0.17) |
0.05 (0.33) |
0.84 (3.81) |
χ2=2.13 |
3 |
p=0.54 |
Mean drinks alcohol used/wk (wks 3–14) |
0.24 (0.82) |
0.06 (0.13) |
0.16 (0.66) |
1.01 (3.93) |
χ2=3.07 |
3 |
p=0.38 |