Table 2.

Association between sociodemographics and time period with nicotine dependency and quit attempts over the past year

	High nicotine dependency			Any quit attempts in the past year
	OR	p Value	95% CI	OR	p Value	95% CI
Age
16–54	1.00			1.00
55–59	1.35	<0.001	1.26 to 1.44	0.74	<0.001	0.68 to 0.80
60–64	1.31	<0.001	1.22 to 1.40	0.70	<0.001	0.64 to 0.76
65–69	1.17	<0.001	1.08 to 1.26	0.65	<0.001	0.59 to 0.71
70–74	0.98	0.669	0.90 to 1.07	0.57	<0.001	0.51 to 0.64
75–79	0.69	<0.001	0.62 to 0.76	0.41	<0.001	0.35 to 0.48
80–84	0.54	<0.001	0.47 to 0.63	0.27	<0.001	0.21 to 0.35
85+	0.45	<0.001	0.37 to 0.56	0.32	<0.001	0.22 to 0.46
p Value for trend		<0.001			<0.001
Gender
Men	1.21	<0.001	1.17 to 1.26	0.81	<0.001	0.78 to 0.85
Women	1.00			1.00
Social grade
AB	1.00			1.00
C1	1.20	<0.001	1.12 to 1.28	0.96	0.23	0.89 to 1.03
C2	1.61	<0.001	1.51 to 1.72	0.91	0.01	0.85 to 0.98
D	1.89	<0.001	1.77 to 2.02	0.88	0.001	0.81 to 0.95
E	2.44	<0.001	2.29 to 2.61	0.90	0.005	0.84 to 0.97
p Value for trend		<0.001			<0.001
Survey years
2006–2008	1.00			1.00
2009–2010	0.95	0.03	0.91 to 0.97	0.80	<0.001	0.76 to 0.84
2011–2012	0.80	<0.001	0.76 to 0.85	0.73	<0.001	0.69 to 0.77
2013–2015	0.72	<0.001	0.69 to 0.76	0.85	<0.001	0.81 to 0.90
p Value for trend		<0.001			<0.001