Description of exposed and unexposed cohorts.
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1Expressed as the number who ever had a prescription over the 6 months.2All available records of subjects were searched for information on substance use.3Percentage of women who consumed >14 units of alcohol/week, and men who consumed >21 units/week.42% of the exposed and 3% of the unexposed did not have data on deprivation.
创建时间：
2015-12-02
