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Table 4 Multiple prediction model of risk factor “tobacco smoking” (reference group: vocational school students without this risk factor)

From: Predictors of hazardous drinking, tobacco smoking and physical inactivity in vocational school students

Variable

OR (95% CI)

Gender: Male (ref.)

 

 Female

0.93 (0.75-1.14)

Age: 15-16 years (ref.)

 

 17-18 years

1.18 (0.93-1.50)

 19-20 years

1.39 (1.06-1.83)*

 21 years or older

1.52 (1.07-2.15)*

Educational attainment: None (ref.)

 

 Secondary school

0.78 (0.47-1.29)

 Extended secondary school

0.80 (0.46-1.39)

 Technical or high school

0.79 (0.44-1.42)

Immigrant background: No (ref.)

 

 One parent born outside Switzerland

1.31 (1.04-1.65)*

 Both parents born outside Switzerland

0.95 (0.77-1.17)

Vocational field: Nature (ref.)

 

 Gastronomy, food

2.55 (1.29-5.06)**

 Beauty, sports

2.13 (1.06-4.26)*

 Design, art, print

1.16 (0.68-1.98)

 Construction and interior fitting

0.69 (0.33-1.44)

 Electrical engineering, information technology

1.21 (0.80-1.84)

 Metal and machinery

1.02 (0.56-1.85)

 Chemistry, physics

1.93 (0.60-6.13)

 Planning and construction

0.99 (0.63-1.55)

 Sale

1.63 (0.91-2.92)

 Economy and administration

0.85 (0.55-1.32)

 Traffic, logistics, vehicles

1.22 (0.78-1.91)

 Health

1.12 (0.70-1.80)

 Education and social affairs

1.76 (0.79-3.90)

 Vocational preparation

1.17 (0.60-2.30)

  1. Note: *p < .05, **p < .01. OR = Odds Ratio; CI = Confidence Interval.