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Fig 1.

Poly drug use past 30 days and past 12 months.

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Table 1.

Participant demographics.

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Table 2.

Past 30-day drug use prevalence stratified by gender, minority ethnic status, and location.

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Table 2 Expand

Table 3.

Past 12-month drug use prevalence stratified by gender, minority ethnic status, and location.

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Table 3 Expand

Fig 2.

Cluster analysis of past 30-day and past 12-month drug use.

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Fig 2 Expand

Fig 3.

30-Day drug use and alcohol consumption.

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Fig 3 Expand