a significant trendP = 0.028
There was a significant trend towards less use of cannabis (Fig. 3c , P = 0.028 and P = 0.456 for time components) and benzodiazepines (Fig. 3g , P < 0.001).
There was a significant trend towards less use of cannabis (Fig. 3c , P = 0.028 and P = 0.456 for time components) and benzodiazepines (Fig. 3g , P < 0.001).