Table 2 Factors associated with tobacco-related use profiles (PST study, n = 2,317, 2013–2017): Multivariable multinomial analysis

First initiated tobacco-related product

 Tobacco (except hookah)

1

1

 E-cigarette

2.91 (1.74–4.87)***

1.41 (0.96–2.06)

 Hookah

15.99 (8.62–26.67)***

1.76 (0.91–3.41)

Age

 ≤ 13 years

1

1

 14–17 years

0.29 (0.17–0.49)***

0.77 (0.45–1.29)

  > 17 years

0.11 (0.06–0.21)***

0.42 (0.25–0.72)***

Cannabis use

 Never experienced

1

1

 Already experienced

0.34 (0.22–0.52)***

1.51 (1.07–2.13)*

 At least one time per month

0.15 (0.09–0.25)***

1.90 (1.35–2.67)***

Alcohol consumption

 Never drink

1

1

 Drink sometimes but less than once a month

0.73 (0.44–1.20)

1.18 (0.76–1.85)

 Drink more than once a month

0.63 (0.40–0.99)*

1.51 (1.03–2.23)*

Smoking status of the best friend

 Non-smoking

1

1

 Smoker/Former smoker

0.30 (0.20–0.44)***

1.31 (0.96–1.78)

Perception of peer smoking rate^b

 None

1

1

 Between 1 and 5

0.35 (0.16–0.76)***

0.87 (0.38–2.00)

 Between 6 and 10

0.26 (0.12–0.60)**

1.14 (0.49–2.63)

Parental ban on smoking

 No

1

1

 Yes

1.48 (1.00–2.18)

0.93 (0.72–1.20)

Survey year

 2013

1

1

 2014

4.23 (2.11–8.49)***

2.56 (1.64–4.00)***

 2015

2.37 (1.18–4.74)*

1.78 (1.14–2.75)*

 2016

2.46 (1.22–4.97)*

1.50 (0.95–2.35)

 2017

2.41 (1.12–5.19)*

1.44 (0.90–2.29)