|When did you first start taking codeine?||
What prompted you to start?|
What products did you use?
Was this prescribed or not?
How did it make you feel?
What were the effects?
What were you thinking/doing?
|Can you describe your pattern of codeine use over time?||
How has your use of codeine changed (increased/ decreased; same/different products?)|
How do you explain the change of use?
|Could you tell me about your current use of codeine?||
What codeine products do you take and how much?|
When - time of day?
|What are your awareness of potential harm?|
|Did you ever source information on codeine on the internet?||