BMC Public Health

Table 3 Odds ratio for the smoking incidence from the GEE, with family binomial and logit link (EPITeen cohort, 2003, 2007, 2011, 2014)

From: The emergence of socioeconomic inequalities in smoking during adolescence and early adulthood

	Model 1		Model 2
	Higher education¹		Higher educ. x 13 years old ⁽²⁾		Higher educ. x 17 years old ⁽²⁾		Higher educ. x 21 years old ⁽²⁾		Higher educ. x 24 years old ⁽²⁾	Test for interaction
Men
Experimenter	0.80	[0.61;1.04]	0.85	[0.26;2.75]	0.53	[0.17;1.73]	1.22	[0.36;4.06]	1.00	0.12
Less-than-daily	1.34	[0.89;2.01]	0.16	[0.02;1.07]	0.59	[0.17;2.06]	0.87	[0.27;2.79]	1.00	0.23
Daily smoker	0.68	[0.49;0.93]	NE		0.22	[0.08;0.64]	0.54	[0.24;1.21]	1.00	0.02
Former smoker	1.86	[0.89;3.87]	NE		NE		1.17	[0.16;8.72]	1.00	0.88
Women
Experimenter	0.81	[0.61;1.08]	1.13	[0.30;4.18]	0.74	[0.20;2.82]	2.77	[0.67;11.40]	1.00	0.03
Less-than-daily	1.31	[0.75;2.27]	NE		0.59	[0.14;2.54]	1.45	[0.34;6.17]	1.00	0.39
Daily smoker	0.36	[0.76;1.18]	0.58	[0.07;4.57]	0.33	[0.10;1.16]	0.59	[0.19;1.90]	1.00	0.33
Former smoker	1.18	[0.58;2.42]	NE		NE		0.37	[0.06;2.10]	1.00	0.26

Legend: Model 1 = Odds ratio for GEE for smoking variables adjusting for ages and education level. Model 2 = Model 1 adding the interactions for age with education. NE = Could not be estimated due to small number of population at risk. ⁽¹⁾ the reference category is lower education. ⁽²⁾ Reference category. 95% confidence intervals in square brackets

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ISSN: 1471-2458

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