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. 2020 Sep 30;11:579302. doi: 10.3389/fpsyt.2020.579302

Table 3.

Correlations and univariate regression of impulsivity, drug use characteristics and QOL.

PHYSQOL PSYCHQOL SOCIALQOL ENVIRQOL
Correlationsa
age of onset of MAUD 0.021 0.045 -0.028 0.039
number of relapses -0.187** -0.079 -0.175** -0.108*
total score of BIS-11 -0.467** -0.459** -0.308** -0.438**
Univariate regressionb
severe MAUD -0.157** -0.235*** -0.190*** -0.205***
comorbidity with OUDc -0.227*** -0.129* -0.134* -0.175**
comorbidity with KUDc -0.041 -0.073 -0.037 -0.074

*p < 0.05; **p < 0.01; ***p < 0.001.

QOL, quality of life; PHYSQOL, physical quality of life; PSYCHQOL, psychological quality of life; SOCIALQOL, social quality of life; ENVIRQOL, environmental quality of life; MAUD, methamphetamine use disorder; BIS-11, Barratt Impulsiveness Scale-11; OUD, opioid use disorder; KUD, ketamine use disorder.

a

Pearson correlation coefficient.

b

Standardized Beta coefficient.

c

The reference was simple MAUD.

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