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Table 4 Distribution of adolescents’ and parental skills at Baseline, 12, and 24 months

From: Does the Brazilian version of the strengthening families program (Familias Fortes) reduce adolescent substance use and change parental behavior? Evidence from a 2-year follow-up study

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Baseline

12-month follow-up

24 month follow-up

Control

Intervention

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Control

Intervention

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Control

Intervention

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Mean (SD)

Mean (SD)

p-value

Mean (SD)

Mean (SD)

p-value

Mean (SD)

Mean (SD)

p-value

Parental skills

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 Rules and expectations about drug use

10.86(2.10)

10.45(2.17)

0.006

10.83(2.02)

10.77(2.04)

0.682

10.98(1.88)

10.92(1.91)

0.676

 Parental monitoring

14.17(2.53)

14.21(2.27)

0.839

13.76(2.65)

14.13(2.26)

0.065

14.02(2.49)

14.24(2.29)

0.270

 Parental expectations

20.70(3.92)

21.02(3.43)

0.228

20.51(4.20)

20.66(3.95)

0.645

20.26(4.37)

20.59(3.97)

0.343

 Quality of parent-child relationship

9.43(2.63)

9.26(2.54)

0.348

8.89(3.10)

9.2(2.79)

0.191

9.05 (3.04)

9.19(2.73)

0.570

 Family problem-solving skills

21.52(5.29)

21.60(5.29)

0.834

20.38(7.11)

21.52(5.87)

0.029

21.44(6.47)

21.77(5.71)

0.515

 Positive parental practices

21.45(3.99)

21.56(3.36)

0.686

20.07(5.07)

20.51(4.17)

0.240

20.87(4.13)

20.77(3.82)

0.771

 Goal communication

7.07(1.61)

7.01 (1.59)

0.637

6.79(1.88)

6.90(1.54)

0.397

7.14 (1.51)

7.08(1.51)

0.634

Adolescents socioemotional skills

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 Parental expectations

12.58(3.50)

12.00(3.46)

0.019

13.41(3.00)

13.13(3.11)

0.243

13.23(3.07)

12.80(3.24)

0.101

 Quality of parent-child relationship

12.64(3.45)

12.41(3.35)

0.337

13.16(3.18)

12.67(3.14)

0.052

13.29(3.14)

13.05(3.11)

0.364

 Family problem-solving skills

10.34(3.59)

10.07(3.41)

0.267

10.94(3.50)

10.70(3.68)

0.395

10.79(3.51)

11.01(3.48)

0.453

 Stress management skills

6.93(2.39)

6.84(2.15)

0.586

7.54(2.39)

7.33(2.32)

0.259

7.50(2.16)

7.89 (2.40)

0.038

 Family communications skills

12.50(3.30)

12.10(3.24)

0.080

13.01(3.02)

12.65(3.08)

0.137

12.94(2.93)

12.64(3.10)

0.228

 Rules and expectations about drug use

5.87(2.14)

5.69 (2.12)

0.235

6.52(1.75)

6.44(1.71)

0.563

6.62(1.78)

6.40(1.82)

0.145

 Peer pressure skills

13.15(3.47)

13.34(3.29)

0.435

14.50(2.78)

14.19(3.01)

0.177

14.34(2.94)

14.30(3.28)

0.870

 Future orientation

16.92(3.17)

16.65(3.13)

0.228

18.17(2.22)

17.66(2.34)

0.005

18.26(2.34)

17.67(2.62)

0.004

  1. *±è-±¹²¹±ô³Ü±ð = t-test for continuous variables
  2. SD = standard deviation