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. 2018 Mar 1;8(3):31. doi: 10.3390/bs8030031

Table 3.

GPA by gender and patterns of polydrug use.

Male (n = 259 1) Female (n = 186 1) Total (n = 445 1)
Polydrug use GPA SD N GPA SD N GPA SD N
Non-dual use: CAN-TOB 6.69 0.78 143 6.87 0.84 102 6.77 0.81 245
Concurrent use: CAN-TOB 6.38 1.16 85 6.64 0.80 66 6.50 1.02 151
Simultaneous use: CAN-TOB 6.19 1.46 10 6.12 0.25 4 6.17 1.22 14
Simultaneous use: CAN-TOB-ALC 5.91 0.94 21 6.54 0.82 14 6.16 0.93 35

CAN: cannabis; TOB: tobacco; ALC: alcohol; GPA: grade point average; SD: standard deviation; 1 32 participants did not report their GPA.