Table 2.

Description of the scores obtained on items used in the validity and reliability analyses.

ODAS	Mean±SD
1. Continued heroin use	4.96±0.18
2.” Narcotic blockade” (crossed tolerance)	4.76±0.47
3a. Frequency of objective OWSa	4.88±0.36
3b. Intensity of objective OWSa	4.66±0.53
4a. Frequency of subjective OWSa	4.84±0.40
4b. Intensity of subjective OWSa	4.67±0.60
5a. Frequency of craving for heroin	4.76±0.43
5b. Intensity of craving for heroin	4.75±0.53
6a. Frequency of overmedication	4.92±30
6b. Intensity of overmedication	4.90±35

OWS^a: Opiate withdrawal symptoms.