Table 2 Work strain and nicotine dependence.

	Nicotine dependence*		FTND†
	Odds ratio	CI	Odds ratio	CI
Work strain
Low demand + high control	Ref		Ref
Low demand + low control	1.0	0.7–1.4	2.2	1.3–3.8
High demand + high control	1.2	0.8–1.7	1.9	1.1–3.3
High demand + low control	1.6	1.1–2.4	3.4	1.7–7.0
Alcohol use
No heavy drinking, dependence, abuse	Ref		Ref
Heavy drinking‡	2.1	1.3–3.4	0.6	0.3–1.3
Dependence or abuse	2.8	1.9–4.2	1.2	0.5–2.8
Occupational main groups
Senior officials	Ref		Ref
Professionals	2.8	1.2–6.2	1.3	0.5–3.1
Technicians, clerks	2.9	1.3–6.6	2.6	1.0–7.0
Service, sales	2.8	1.2–6.7	1.8	0.6–5.1
Agricultural, craft	2.8	1.2–6.5	2.9	1.1–7.9
Elementary	3.0	1.3–6.7	1.7	0.7–4.2
Hours worked per week
15–34	Ref		Ref
⩾35	0.9	0.6–1.3	1.1	0.6–2.1

Logistic regression analysis. All variables in table 2 were entered into the regression model in addition to age (18–33, 34–49, 50–64) and sex.

*According to DSM‐IV.³⁰

†Current smokers.

‡⩾20 g pure alcohol per day among women, ⩾30 g pure alcohol per day among men.

FTND Fagerström Test for Nicotine Dependence¹⁹ sum score ⩾1.

Current, former, or never smokers; n = 2549.