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OMT PATIENTS WHO USE NEEDLE EXHANGE SERVICES-Do they still benefit from treatment?
Linn Gjersing & Anne Line Bretteville-Jensen
OPIOID MAINTENANCE TREATMENT
Administration of opioidsEffective
Improve somatic health Reduce
Opioid useMortality risk Criminal activity
OBJECTIVES
OMT pts who continue drug useBenefit from treatment?
Differ from other opioid users? Previous OMT pts Never in OMT?
METHODS
Cross-sectional study (2002-2011)Needle-exchange programInterviews
DESCRIPTION OF SAMPLEN=1,827
1,102 Never in OMT34.6 yrs
358 Current OMT pts37.4 yrs
367 Previous OMT pts37.6 yrs
1/3 women
70% methadone
30% subutex/subuxone
Never Current Previous0 %
10 %
20 %
30 %
40 %
50 %
60 %
70 %
80 %
90 %
100 %House/apartement Institution, hospits Homeless
HEROIN USE
Never in OMTN=1,102
Current OMT pts
N=358
Previous OMT pts
N=367
Injection days per month 21 days 13 days 25 days
Total per month 87 injections 52 injections 93 injections
Amount per month* 6 g 4 g 7 g
AMPHETAMINE USE
Never in OMTN=1,102
Current OMT ptsN=358
Previous OMT pts
N=367
Injection days per month 11 days 8 days 10 days
Total per month 62 injections 45 injections 56 injections
Amount per month* 10 g 6 g 7 g
TOTAL INJECTIONS PER MONTH 2002-2011 N=1795
b 95% CI P>|t|
Current OMT pts -35 -44; -26 <0.01
Previous OMT pts 14 6; 23 <0.01
Homeless or shelter user 29 21; 37 <0.01
Total number of drugs 12 9; 15 <0.01
Pills- Daily or almost daily 12 5; 19 <0.01
Alcohol- Daily or almost daily -25 -37; -14 <0.01
*Linear regression analysis
ILLEGAL ACTIVITES
Income sources
Never in OMTN=1,102
Current OMT pts
N=358
Previous OMT pts
N=367
Theft 13% 7% 11%
Dealing 38% 29% 40%
THEFT 2002-2011 N=1795
OR 95% CI P>|z|
Male 2.4 1.6; 3.5 <0.01
>40 years 0.4 0.2; 0.6 <0.01
Heroin- Daily or almost daily 1.7 1.2; 2.4 <0.01
Total number of drugs 1.2 1.1; 1.3 <0.01
*Logistic regression analysis
OVERDOSES
Never in OMTN=1,101
Current OMT pts
N=358
Previous OMT pts
N=367
Ever 62% 68% 77%
Previous month 9% 4% 10%
Previous year 24% 15% 26%
OVERDOSE PREVIOUS MONTH 2002-2011 N=1795
Overdoses OR 95% CI P>|z|
Current OMT pts 0.6 0.3; 1.0 0.05
Male 0.7 0.5; 1.0 0.06
Homeless or shelter user 1.4 1.0; 2.1 0.05
Total number of drugs 1.2 1.1; 1.4 <0.01
*Logistic regression analysis
OVERDOSE PREVIOUS MONTH 2006-2011 N=930
Overdoses OR 95% CI P>|z|
Homeless or shelter user 2.0 1.2; 3.3 <0.01
Methadone-daily or almost daily 0.1 0.03; 0.7 <0.02
*Logistic regression analysis
SUMMARY OMT pts
Higher proportion with long-term accomodation
Less Homeless Heroin and amphetamine Injections Illegal activites Overdoses previous month
Methadone Less overdoses
OMT pts who continue to use drugs and inject still benefit from treatment
