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Table 1 Sociodemographic characteristics of families in the Famílias Fortes study at baseline

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

Ìý

Total

N = 805

Control

group

N = 434

Intervention group

N = 371

p-value*

N

%

N

%

N

%

Gender (adolescents)

ÌýÌýÌýÌýÌýÌý

0.764

 M²¹±ô±ð

384

47.7

204

47.0

180

48.5

 F±ð³¾²¹±ô±ð

415

51.5

226

52.1

189

51.0

 O³Ù³ó±ð°ù²õ

6

0.8

4

0.9

2

0.5

Age - baseline (adolescents) – (Mean ± SD)

805

12.6 ±â¶Ä‰1.2

434

12.6 ±â¶Ä‰1.3

371

12.6 ±â¶Ä‰1.2

0.890

Age – 24 month follow-up (adolescents) – (Mean ± SD)

586

13.7 ±â¶Ä‰1.5

305

13.7 ±â¶Ä‰1.5

281

13.8 ±â¶Ä‰1.4

0.266

Gender (caregivers)

ÌýÌýÌýÌýÌýÌý

0.585

 M²¹±ô±ð

63

7.8

33

7.6

30

8.1

 F±ð³¾²¹±ô±ð

739

91.8

400

92.2

339

91.4

 O³Ù³ó±ð°ù²õ

3

0.4

1

0.2

2

0.5

Age - baseline (caregivers) – (Mean ± SD)

805

39.5 ±â¶Ä‰8.1

434

39.1 ±â¶Ä‰8.0

371

39.8 ±â¶Ä‰8.3

0.228

Age − 24month follow-up (caregivers) – (Mean ± SD)

586

41.2 ±â¶Ä‰7.6

305

41.2 ±â¶Ä‰7.6

281

41.2 ±â¶Ä‰7.7

0.973

Socioeconomic class

ÌýÌýÌýÌýÌýÌý

0.001

â€Çã

7

0.9

3

0.7

4

1.1

 B

31

3.9

8

1.8

23

6.2

 C

175

21.7

83

19.1

92

24.8

 D/·¡

592

73.5

340

78.4

252

67.9

  1. *chi-square test for categorical variables and a t-test for continuous variables
  2. SD = standard deviation