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Table 6 Instruction: please tick the appropriate box according to the actuality of drug using as before. (√)

From: Application of the Chinese version of the addiction profile index (API) in drug users: an analysis of validity and measurement invariance across genders

 

Only a few times

1–3 times a month

1–5 times a week

Almost everyday

1 Opioids

(Heroin, opiates)

    

Amphetamine-type stimulants

    

2 Ice

    

3 Magu

    

4 Ecstasy

    

5 Cannabis

    

6 Hallucinogen

(Ketamine, etc.)

    

7 Pills-Medicine

(calming/sleeping, pain-relievers, etc.)

    

8 Others

(LSD,GHB, Cocaine, Crack, etc.)

    
  1. 9 How often do you experience problems due to the effect of the (substance) (i.e. loss of consciousness, overdose, loss of control, etc.)
  2. [1] Never [2] Rarely [3] Sometimes [4] Usually Almost always