Participants were asked: During the past 30 days, how often have you had 4 or more drinks (female sex) or 5 or more drinks (male sex) on one occasion?

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Participants were asked: During the past 12 months have you used cannabis?

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Participants were asked: If you answered yes to the previous question, in the past 30 days, how often did you use cannabis?

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Participants were asked: In the past 12 months, have you used any pain relievers?

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Participants were asked: If you answered yes to using pain relievers, during the past 12 months, have you used pain relievers for reasons other than for pain relief?

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Participants were asked: If you answered yes to using pain relievers, were the pain relievers you have used prescribed for you?

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Participants were asked: In the past 12 months, have you used any stimulants?

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Participants were asked: If you answered yes to using stimulants, during the past 12 months did you use stimulants for reasons other than why they are recommended?

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Participants were asked: If you answered yes to using stimulants, during the past 12 months, were all the stimulants you have used prescribed to you?

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Participants were asked: During the past 30 days, how often did you use an e-cigarette or vaping device?

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Participants were asked: On how many of the past 30 days did you vape an e-liquid with nicotine?

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Participants were asked: On how many of the past 30 days did you vape cannabis/marijuana?

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Participants were asked: On how many of the past 30 days did you vape just flavouring without nicotine?

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