Table 1 Descriptive statistics (frequencies or mean and standard error) of the sociodemographic and clinical data for the two groups and the statistical contrasts carried out.

From: Neuropsychological Performance in Polyconsumer Men Under Treatment. Influence of Age of Onset of Substance Use

 

OSU ≤ 16 (N = 41)

OSU ≥ 17 (N = 39)

Statistical contrasts

p values

Sociodemographic data

Age (yr)

34.83 ± 1.29

38.15 ± 1.26

t = −1.84

0.070

Years of education

10.02 ± 0.29

10.72 ± 0.43

U = 634.50

0.097

Marital status

  

X2 = 2.49

0.646

 Single

56.1%

51.3%

  

 Stable partner

9.8%

5.1%

  

 Married

19.5%

17.9%

  

 Separate/Divorced

14.6%

25.6%

  

Economic status

  

X2 = 4.47

0.346

 Active

22.0%

43.6%

  

 Disability pension

24.4%

15.4%

  

 Sick leave

4.9%

2.6%

  

 Unemployed

26.8%

20.5%

  

 No income

22%

17.9%

  

Clinical data

Relatives with SUD

  

U = 666.00

0.044

 Yes

24.4%

7.7%

  

 No

75.6%

92,3%

  

Relatives with psychiatric disorder

  

U = 772.50

0.762

 Yes

65.9%

69.2%

  

 No

34,1%

30.8%

  

Number of suicidal attempts

0.39 ± 0.14

0.13 ± 0.05

U = 716.50

0.227

Past treatment for SUD

  

U = 773.50

0.762

 Yes

36.4%

33.3%

  

 No

63.4%

66.7%

  

Daily number of cigarettes for tobacco smokers

13.05 ± 1.12

12.38 ± 1.5

U = 760.00

0.698

Fagerström Score for tobacco smokers

  

U = 483.00

0.913

 Low Dependence

34.3%

32.1%

  

 Moderate Dependence

54.3%

57.1%

  

 High Dependence

11%

10.7%

  

Daily beverages with caffeine

2.23 ± 0.28

3.78 ± 1.24

U = 679.50

0.238

  1. OSU ≤ 16: Onset of substance use at age 16 or earlier; OSU ≥ 17: Onset of substance use at age 17 or later; yr: years; SUD: Substance Use Disorder.