Variable

Drug use

Statistics test

Users

Non users

X2

P. Value

Father alive

n (%)

n (%)

Yes

41 (53.2)

149 (47.0)

No

36 (46.8)

168 (53.0)

0.97

0.19

Mother alive

Yes

71 (92.2)

220 (69.4)

No

6 (7.8)

97 (30.6)

16.69

<0.001*

Father smoking cigarette

Yes

5 (6.5)

6 (2.0)

No

72 (93.5)

294 (98.0)

4.36

0.04*

Father drinking alcohol

Yes

-

3 (1)

No

77 (100)

298 (99.0)

0.77

0.37