Substance use disorders and mood and anxiety disordersUnintentional poisoning by
Illicit opioidPrescription opioidsNon-opioid analgesicsSedatives and hypnotics
RR95% CIRR95% CIRR95% CIRR95% CI
Female
 Alcohol dependence1.07n.s.0.96 to 1.200.93n.s.0.86 to 1.011.29***1.18 to 1.400.79**0.68 to 0.93
 Drug dependence1.92***1.81 to 2.051.50***1.44 to 1.561.26***1.18 to 1.361.60***1.48 to 1.74
 Tobacco use disorder1.41***1.34 to 1.491.22***1.18 to 1.261.19***1.14 to 1.251.09**1.03 to 1.16
 Bipolar disorder1.00n.s.0.93 to 1.081.05*1.01 to 1.101.01n.s.0.95 to 1.081.19***1.10 to 1.29
 Depressive disorder1.06*1.00 to 1.121.12***1.08 to 1.151.18***1.13 to 1.231.43***1.36 to 1.51
 Anxiety disorder0.96n.s.0.90 to 1.031.01n.s.0.97 to 1.060.99n.s.0.94 to 1.051.02n.s.0.95 to 1.09
 Alcohol poisoning1.15n.s.0.98 to 1.351.08n.s.0.96 to 1.211.00n.s.0.86 to 1.161.13n.s.0.94 to 1.37
 Multidrug poisoning1.81***1.72 to 1.901.40***1.35 to 1.441.36***1.30 to 1.411.58***1.50 to 1.66
 TranquilisersAntidepressantsOther psychotropic agentsNervous system
RR95% CIRR95% CIRR95% CIRR95% CI
 Alcohol dependence1.14***1.06 to 1.221.31***1.14 to 1.520.95n.s.0.85 to 1.061.00n.s.0.87 to 1.15
 Drug dependence1.26***1.20 to 1.321.20**1.06 to 1.361.47***1.38 to 1.561.33***1.21 to 1.45
 Tobacco use disorder1.17***1.12 to 1.211.16***1.07 to 1.251.39***1.32 to 1.461.28***1.20 to 1.35
 Bipolar disorder1.51***1.45 to 1.582.03***1.84 to 2.241.29***1.22 to 1.371.27***1.18 to 1.37
 Depressive disorder1.40***1.35 to 1.452.18***2.02 to 2.360.94*0.88 to 0.991.09**1.02 to 1.16
 Anxiety disorder1.24***1.19 to 1.291.09n.s.0.99 to 1.190.92*0.85 to 0.990.99n.s.0.92 to 1.07
 Alcohol poisoning1.36***1.26 to 1.481.49***1.23 to 1.791.34***1.17 to 1.530.82n.s.0.66 to 1.02
 Multidrug poisoning2.11***2.04 to 2.183.02***2.82 to 3.241.48***1.41 to 1.552.03***1.93 to 2.13
  • †Estimated from Poisson regression adjusting for patient's age, race, primary payer, census region, location of residence and median income of patient's ZIP Code.

  • ***p<0.001; **p<0.01; *p<0.05.