Table 2 Binary logistic regression of the binge drinking frequency of “weekly to daily” and “less than monthly to monthly,” and the type of friends among adolescents of Belo Horizonte, Minas Gerais, Brazil, 2010

Friends from school vs.

Hobbies/others*

14.4

8.9

2.26 (1.33–3.85)

0.003

36.8 (23.2)

2.21 (1.51–3.21)

<0.001

Friends from family vs.

hobbies/others*

10.1

10.8

0.94 (0.50–1.74)

0.832

28.2 (27.3)

1.04 (0.68–1.57)

0.869

Friends from church vs.

Hobbies/others*

6.9

12.2

0.42 (0.22–0.80)

0.008

18.0 (31.5)

0.43 (0.28–0.66)

<0.001

Friends from hobbies vs.

Hobbies/others*

10.9

10.6

1.00 (0.50–2.01)

0.651

25.7 (27.8)

0.90 (0.55–1.47)

0.358

Females

Friends from school vs.

Hobbies/others*

13.1

7.3

2.75 (1.36–5.53)

0.005

40.0 (20.6)

2.99 (1.87–4.78)

<0.001

Friends from family vs.

Hobbies/others*

8.7

9.2

0.97 (0.44–2.15)

0.939

28.2 (26.1)

1.10 (0.67–1.83)

0.701

Friends from church vs.

Hobbies/others*

4.6

11.2

0.30 (0.12–0.73)

0.008

16.0 (31.5)

0.37 (0.22–0.63)

<0.001

Friends from hobbies/others vs.

Hobbies/others*

11.3

8.8

1.13 (0.44–2.90)

0.791

17.0 (28.0)

0.53 (0.25–1.15)

0.107

Males

Friends from school vs.

Hobbies/others*

16.9

11.8

1.64 (0.72–3.74)

0.240

31.0 (28.3)

1.26 (0.66–2.39)

0.482

Friends from family vs.

Hobbies/others*

13.0

13.6

0.94 (0.35–2.52)

0.894

28.3 (29.4)

0.94 (0.45–1.96)

0.859

Friends from church vs.

Hobbies/others*

12.1

13.9

0.72 (0.29–1.82)

0.489

22.4 (31.5)

0.59 (0.29–1.21)

0.152

Friends from hobbies vs.

Hobbies/others*

10.4

14.3

0.78 (0.27–2.25)

0.651

35.4 (27.4)

1.39 (0.69–2.80)

0.358