Please answer all questions:

Have you ever used an electronic cigarette or a portable electronic vaporizer, and are you currently using it? Yes, I use it every day Yes, occasionally (not every day) No, but I used the e-cig in the past No, I have never used the e-cig

Have you ever used an electronic cigarette or a portable electronic vaporizer to inhale cannabis , and are you currently using it for that purpose? Yes, I use the e-cig every day to inhale cannabis Yes, occasionally (not every day) to inhale cannabis No, but I used the e-cig in the past to inhale cannabis No, I have never used the e-cig to inhale cannabis

For how many days in total did you use the electronic cigarette or the portable electronic vaporizer to inhale cannabis ? days in total

How many days per week do you currently use the electronic cigarette or the portable electronic vaporizer to inhale cannabis ? 0 1 2 3 4 5 6 7 days per week

How many puffs of cannabis vapor do you inhale per day from the electronic cigarette or the portable electronic vaporizer, on the days you use it for this purpose? puffs of cannabis vapor per day on my e-cigarette or my portable electronic vaporizer

What brand and model of electronic cigarette or a portable electronic vaporizer do you use most to inhale cannabis ? Brand:

Type / model:

To 'vape' cannabis, do you use an e-cigarette or a portable electronic vaporizer specially designed for this purpose? Yes No, I use an e-cig that is designed for e-liquid that does not contain cannabis If 'yes', please describe this model:

What cannabis product do you use in your e-cigarettes or portable electronic vaporizers? Yes No Amount of this product that you 'vape' per week: Cannabis leaves Amount per week: (in the e-cig) Haschisch Amount per week: (in the e-cig) Cannabis oil Amount per week: (in the e-cig) Wax / BHO Amount per week: (in the e-cig)

How much do you spend per week on this usage? (Only the cannabis that you 'vape', not the cannabis that you smoke) US $ UK £ Euros CHF CAN$ per week

What is the effect of cannabis 'vaping' on your total consumption of cannabis? 'Vaping' cannabis helps me stop or reduce my total cannabis consumption 'Vaping' cannabis has NO influence on my total cannabis consumption 'Vaping' cannabis makes me use even more cannabis

Why did you use the electronic cigarette or the portable electronic vaporizer to inhale cannabis rather than smoking or ingesting it? (Cite 3 reasons) 1. 2. 3.

If inhaling cannabis using the electronic cigarette or the portable electronic vaporizer has been beneficial, please describe these effects: 1. 2.

If inhaling cannabis using the electronic cigarette or the portable electronic vaporizer has had unwanted side effects, please describe these effects: 1. 2.

If you have stopped using the electronic cigarette or the portable electronic vaporizer for inhaling cannabis , please indicate why: 1. 2.

Please describe the 2 most positive aspects about the inhalation of cannabis using the electronic cigarette or the portable electronic vaporizer, the things that you liked the most? 1. 2.

Please describe the 2 most negative aspects about the inhalation of cannabis using the electronic cigarette or the portable electronic vaporizer, the things that you liked the least? 1. 2.

What are the questions that you ask yourself about the inhalation of cannabis through the electonique cigarette or the portable electronic vaporizer? 1. 2.

Have you ever used the electronic cigarette or the portable electronic vaporizer to inhale illicit substances other than cannabis? If so, which ones? Yes No

If 'yes', which ones?