Table 1 Characteristics of included studies
From: Attitudes toward driving after cannabis use: a systematic review
Characteristic | Number of studies |
|---|---|
Study population | |
 Youth/young adults/students | 27 |
 Cannabis users | 24 |
 Drivers | 26 |
 Special population | 5 |
Country | |
 US | 37 |
 Canada | 17 |
 Australia | 11 |
 United Kingdom | 4 |
 New Zealand | 2 |
 Spain | 2 |
 Israel | 1 |
Data collection method | |
 Surveys | 54 |
 Interview | 15 |
 Focus group | 6 |