Table 1 Sociodemographic characteristics of the randomized sample at baseline and attrition to treatment

Age (15–29), M (SD)

20.53

(4.32)

19.95

(4.37)

21.10

(4.30)

−0.83

.407

Gender (Female) (%)

33

(82.5)

15

(75.0)

18

(90.0)

1.55

.405

Civil Status (Single) (%)

40

(100)

20

(100)

20

(100.0)

Parent’s nationality (Both Spanish) (%)

30

(75.5)

14

(70.0)

16

(80.0)

0.53

.465

Cohabitation with family of origin (%)

35

(87.5)

17

(85.0)

18

(90.0)

0.30

.633

Educational level (%)

4.46

.107

 Primary

20

(50.0)

11

(55.0)

9

(45.5)

 Secondary

13

(32.5)

8

(40.0)

5

(25.0)

 Universitary

7

(17.5)

1

(5.0)

6

(30.0)

Laboral Status (%)

0.46

.792

 Unemployed

14

(35.0)

6

(30)

8

(40)

 Partial Time Job

4

(10.0)

2

(10)

2

(10)

 Full Time Job

22

(5.5)

12

(60)

10

(50)

 Complete follow-up (%)

32

(80.0)

15

(75)

17

(85)

0.62

.693

Complete the treatment

2.56

.110

 (Number of group sessions ≥ 8) (%)

23

(59.0)

9

(45.0)

14

(70.0)

 Number of individual sessions, M (SD)

3.15

(3.39)

2.21

(2.37)

4.05

(3.99)

−1.73

.091