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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Drug Alcohol Depend. 2016 Jun 29;166:85–92. doi: 10.1016/j.drugalcdep.2016.06.026

Table 1.

Questions and response options included in the ASSIST, version 3.1

Question Response options and associated score
1) In your life, which of the following substances have you used (non-medical use only)? Yes (1) /No (0)
    a. Item asked for: tobacco, alcohol, inhalants, cannabis, cocaine, amphetamines, sedatives, hallucinogens, other substance
2) In past three months, how often have you used the substances mentioned in Q1? Never (0), once or twice (2), monthly (3), weekly (4), daily or almost daily (6)
    a. Item asked for each substance endorsed in Q1.
3) During past three months, how often have you had an urge or strong desire to use? Never (0), once or twice (3), monthly (4), weekly (5), daily or almost daily (6)
    a. Item asked for each substance used in past three months
4) During past three months, how often has your use led to health, social, legal, or financial problems? Never (0), once or twice (4), monthly (5), weekly (6), daily or almost daily (7)
    a. Item asked for each substance used in past three months
5) During past three months, how often have you failed to do what was expected of you because of use? Never (0), once or twice (5), monthly (6), weekly (7), daily or almost daily (8)
    a. Item asked for each substance used in past three months
6) Has a friend or relative or anyone else ever expressed concern about your use? No, never (0), Yes, in the past three months (6), Yes, but not in the past three months (3)
    a. Item asked for each substance endorsed in Q1
7) Have you ever tried to cut down on using but failed? No, never (0), Yes, in the past three months (6), Yes, but not in the past three months (3)
    a. Item asked for each substance endorsed in Q1
8) Have you ever used any drug by injection? No, never, Yes, in the past three months, Yes, but not in the past three months (no scoring for Q8)
    a. Item asked for all participants who endorsed any substance in Q1

Specific substance involvement (SSI) score calculated from questions 2 through 7 and total substance involvement (TSI) score calculated from questions 1 through 8 for all substances