Table 3 Examples of statements generated by the Concept Mapping process

This form of opioid medication makes you nauseous

This form of opioid medication results in a high that allows you to function (go to work, drive etc)

This form of opioid medication doesn't affect your appearance

This form of opioid medication can be safely injected

This form of opioid medication is preferred by my friends

This form of opioid medication makes you indifferent

This form of opioid medication has a greater addiction potential

This form of opioid medication gives you a whole-body buzz/rush

This form of opioid medication is painful to use

This form of opioid medication makes me feel like I can do anything

This form of opioid medication makes me feel I can do more than usual

This form of opioid medication makes you excited and hyper

This form of opioid medication makes you feel sleepy

This form of opioid medication makes you incoherent (cannot communicate with others)

This form of opioid medication can be easily concealed or hidden

This form of opioid medication creates pleasant hallucinations

This form of opioid medication creates tolerance easily (must take more to get high)

This form of opioid medication heightens sexual feelings

This form of opioid medication makes you thirsty ('cotton mouth')

This form of opioid medication relieves your anxiety