Table 6

Linear regression of factors associated with age at smoking initiation.

β (95% CI)

p-value


Intercept

18.74 (18.20, 19.28)

<0.0001

Country

France

-

Ireland

0.22 (-0.38, 0.82)

0.47

Italy

0.54 (-0.06, 1.14)

0.08

Czech

1.79 (1.16, 2.41)

<0.0001

Sweden

-0.72 (-1.30, -0.14)

0.02

Reasons for initiation*

My friends smoked

-1.02 (-1.42, -0.61)

<0.0001

Smoking made me look more cool

-1.69 (-2.15, -1.23)

<0.0001

My friends approved of my smoking

-0.36 (-1.11, 0.39)

0.35

It helped me manage my stress

2.67 (1.88, 3.45)

<0.0001

My family members smoked

-0.20 (-0.98, 0.58)

0.61

I was not worried about health effects

0.41 (-0.63, 1.45)

0.44

I believed I could quit whenever I wanted to

-0.65 (-1.69, 0.39)

0.22

Tobacco advertising was attractive to me

0.67 (-0.79, 2.14)

0.37

Weight concerns

0.45 (-1.08, 1.99)

0.56

I was less depressed when I smoked

3.88 (2.33, 5.42)

<0.0001

My parents did not mind that I smoked

-0.95 (-3.27, 1.37)

0.42


*Respondents could choose more than one reason for initiation. Those who gave each reason were compared with those who did not.

Oh et al. BMC Public Health 2010 10:74   doi:10.1186/1471-2458-10-74

Open Data