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Table 1 Mean score and standard deviation for HSCL-25 at baseline and follow-up, according to sociodemographic variables at baseline and substance-use variables at both at baseline and follow-up. Paired t-test and independent t-test.

From: Axis I and II disorders as long-term predictors of mental distress: a six-year prospective follow-up of substance-dependent patients

 

T1

T2

  
 

Mean

SD

Mean

SD

Pa

Pb

Total sample (n = 137)

2.08

0.61

2.01

0.63

0.219

 

Age

      

< 30 years (n = 28)

2.12

0.63

2.00

0.61

0.371

0.933

≥ 30 years (n = 109)

2.07

0.61

2.01

0.64

0.366

 

Sex

      

Male (n = 97)

2.03

0.62

2.03

0.65

0.996

0.513

Female (n = 40)

2.19

0.58

1.96

0.58

0.019

 

Education

      

Only primary school (n = 59)

2.20

0.62

2.11

0.61

0.317

0.150

More than primary school (n = 66)

2.00

0.60

1.95

0.65

0.543

 

Civil status

      

Not married/cohabiting (n = 77)

2.13

0.66

2.03

0.63

0.200

0.650

Married/cohabiting (n = 50)

2.02

0.56

1.98

0.65

0.589

 

Employment %

      

Yes (n = 44)

2.04

0.61

2.03

0.66

0.940

0.911

No (n = 83)

2.13

0.62

2.02

0.62

0.098

 

Main substance of abuse

      

Alcohol (n = 77)

2.04

0.63

2.04

0.63

0.930

0.578

Poly-substance abuse (n = 60)

2.13

0.59

1.98

0.63

0.106

 

Age at onset of substance use disorder

      

≥ 18 years (n = 76)

2.07

0.63

1.90

0.64

0.022

0.020

< 18 years (n = 61)

2.09

0.58

2.15

0.59

0.489

 

Use of substances at T2

      

"Abstainers" (n = 41)

1.94

0.60

1.61

0.59

0.002

< 0.001

"Relapsers" (n = 96)

2.14

0.61

2.18

0.56

0.514

 
  1. aP value on paired t-test.
  2. bP value on independent t-test T2