Descriptives of confounders by cumulative cannabis use at age 16% (N).

FH- family history; IQ- intelligence quotient.
1No higher education. Categorised like this for purposes of presentation in this table only.
2Defined as score of 4 or over, for the purposes of presentation in this table only.
3Early onset persistent group membership. Categorised like this for purposes of presentation in this table only.
4Weekly or daily smoking. Categorised like this for purposes of presentation in this table only.
5Hazardous alcohol use. Categorised like this for purposes of presentation in this table only.
Descriptives of confounders by cumulative cannabis use at age 16% (N).

FH即家族史（family history）；IQ即智商（intelligence quotient）。
1. 无高等教育经历。本分类仅用于本表格的展示目的。
2. 定义为得分4分及以上，本标准仅用于本表格的展示目的。
3. 早发持续性群体归属。本分类仅用于本表格的展示目的。
4. 每周或每日吸烟。本分类仅用于本表格的展示目的。
5. 有害酒精使用。本分类仅用于本表格的展示目的。
按16岁时累积大麻使用情况分组的混杂因素描述性统计（样本量N）。