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Table 1 Between groups comparisons regarding sociodemographic and clinical data

From: Cocaine use disorder in females is associated with altered social decision-making: a study with the prisoner’s dilemma and the ultimatum game

 

Controls (n = 55)

CUD (n = 129)

Statistics

p-value

Sociodemographic

 Age (years) – mean (SD)

26 (8.19)

30.43 (7.86)

t = 3.47

0.001

 Ethnicity (white) % (n)

53.4 (69)

66.6 (37)

χ2 = 3.53

0.316

 Income (R$) – mean (SD)

2697.8 (2431.4)

2017.1 (2663.5)

t = 1.63

0.103

 Years of formal education – mean (SD)

12.55 (4.28)

8.99 (3.71)

t = 5.71

0.001

 Marital status (single) % (n)

53.6 (30)

53.5 (69)

χ2 = 0.001

0.992

 Previous detention % (n)

1.8 (1)

20.2 (26)

χ2 = 10.57

0.001

 Number of psychiatric hospitalizations – mean (SD)

0.05 (0.29)

1.42 (2.77)

t = 3.68

0.001

 Craving for chocolate – mean (SD)

6.26 (2.87)

7.12 (2.90)

t = 1.84

0.066

Patterns of alcohol use

 Reported consumption % (n)

87 (48)

96 (124)

χ2 = 8.42

0.015

 Age of drug experimentation (year) – mean (SD)

15.19 (3.06)

14.25 (3.74)

t = 1.53

0.126

Patterns of tobacco use

 Reported consumption % (n)

57 (31)

100 (129)

χ2 = 47.76

0.001

 Age of drug experimentation (year) – mean (SD)

16.43 (5.35)

13.67 (3.09)

t = 3.75

0.009

Patterns of cannabis use

 Reported consumption % (n)

23 (13)

72 (94)

χ2 = 88.83

0.001

 Age of drug experimentation (year) – mean (SD)

16.23 (2.04)

17.70 (11.77)

t = 0.44

0.655

 Drug use over time (days) – mean (SD)

169.82 (801)

2744.67 (2865)

t = 9.35

0.001

Patterns of cocaine use

 Reported consumption % (n)

100 (129)

χ2 = 93.93

0.001

 Age of drug experimentation (year) – mean (SD)

19.1 (5.77)

  

 Drug use over time (days) – mean (SD)

3571.62 (1931)

  

 Only snorted cocaine consume - % (n)

 

13 (10%)

  

 Only smoked cocaine consume - % (n)

 

7 (5%)

  

 Combined smoked and snorted cocaine consume - % (n)

 

109 (85%)

  
  1. Legend: Control – Healthy control females without a history of substance abuse; CUD – Females diagnosed with Cocaine Use Disorder