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Table 2 Demographic and clinical characteristics of controls and methamphetamine dependence (SUD)

From: Association of PICK1 and BDNF variations with increased risk of methamphetamine dependence among Iranian population: a case–control study

Variable Controls Methamphetamine dependence (SUD) P-value*
Gender Female 38.9% 35.7% P < 0.001
  Male 68.1% 64.3%  
Age (SD) 31.96 (8.44 ± 0.58) 38.91 (9.11 ± 0.68) P = 0.423
Marriage status Married 56.7% 43.4% P < 0.001
Separated - 11.6%
Widow - 4.2%
Divorced 1.1% 20.6%
Single 42.1% 20.1%
  1. *Significant P-value < 0.05. SD: Standard deviation