Table 4

Results from multiple logistic regression that evaluated demographic/family factors and emotional/behavioural problems in relation to the presence of smoking habits

Explanatory variables

OR(95% CI)


Age (years)

12-15

1.00‡

16-18

8.56(4.89-14.97)

Gender

girl

1.00

boy

0.90(0.52-1.54)

Family socioeconomic status

low 0-3

1.00

medium 4-5

0.43(0.26-0.71)

high 6-7

0.46(0.23-0.94)

Mother smoker

No

1.00

Yes

2.56(1.49-4.39)

Father smoker

No

1.00

Yes

1.94(1.11-3.4)

Exposure to family members' smoking

No

1.00

Yes

1.11(0.65-1.88)

Leisure time (for one unit increase)

1.01(0.99-1.02)

SDQ total difficulties (for one unit increase)

1.13(1.08-1.18)


Abbreviations: OR = Odds Ratio, CI = 95% Confidence Interval, SDQ = Strengths and Difficulties

Questionnaire ‡ indicates reference category

Giannakopoulos et al. BMC Public Health 2010 10:57   doi:10.1186/1471-2458-10-57

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