| First Preferred Substance Type |
| When was the last time you used drugs or alcohol? |
| Have you ever used drugs intravenously? |
| Is there anyone in your family who is addicted to alcohol or uses drugs? |
| What is the prevalence of drug or alcohol use among your friends? |
| Does Your Environment Have Easy Access to Substances or Is It Predominantly Inhabited by Substance Users? |
| How much do withdrawal symptoms affect your life? |
| Do You Have Difficulties While Under the Influence of Substances? |
| Have you ever inflicted harm on yourself? |
| Do you have any prior experience with quitting alcohol or drugs? |
