Table 1.

Sample composition and smoking patterns at time of survey (ages 18–70 years)

	Unweighted	Weighted
Group	Absolute number	Median age at survey	Median age at arrival in France	Median duration of stay in France	% Low educationa	% High educationb	% of daily smokers [95%CI]	Odds ratios of smokingc OR [95%CI]
Men
Native-born (reference)	8407	43			23.9	13.0	32.5	1.00
							[31.3–33.7]
Immigrants from the Maghreb	251	40	20	20	41.2	11.8	41.1	1.22
							[33.7–48.4]	[0.98–1.53]
Immigrants from sub-Saharan Africa	147	39	22	15	34.1	18.5	18.7	0.41
							[10.7–26.7]	[0.28–0.61]
Women
Native-born (reference)	10 356	44			28.8	13.5	26.5	1.00
							[25.5–27.6]
Immigrants from the Maghreb	221	40	18	24	51.6	10.9	13.6	0.29
							[8.5–18.7]	[0.21–0.41]
Immigrants from sub-Saharan Africa	196	34	19	13	41	12.7	18.8	0.42
							[7.9–29.7]	[0.29–0.59]

^aLow education: ISCED 0, 1 or 2 (below upper secondary education).

^bHigh education: ISCED 6 or more (at least a bachelor’s degree or equivalent level).

^cWeighted logistic regression with adjustment on: age at interview, birth cohort (1940–55; 1956–70; 1971–92) and relative educational level.