Table 1

The distribution of age, nicotine dependence level, and cessation attempts of the participants

		Nicotine dependence level*												p Value
		Low†			Medium‡			High§			Total
N (%)		913 (40.6)			1005 (44.6)			333 (14.8)			2251 (100)
Cessation attempts		Yes	No	Total	Yes	No	Total	Yes	No	Total	Yes	No	Total
Age
20–29	N	104	108	212	88	119	207	12	22	34	204	249	453	0.200
20–29	(%)	(49.1)	(50.9)	(100)	(42.5)	(57.5)	(100)	(35.3)	(64.7)	(100)	(45.0)	(55.0)	(100)	0.200
30–39	N	125	125	250	91	160	251	19	44	63	235	329	564	0.001
30–39	(%)	(50.0)	(50.0)	(100)	(36.3)	(63.7)	(100)	(30.2)	(69.8)	(100)	(41.7)	(58.3)	(100)	0.001
40–49	N	86	137	223	90	169	259	27	69	96	203	375	578	0.198
40–49	(%)	(38.6)	(61.4)	(100)	(34.7)	(65.3)	(100)	(28.1)	(71.9)	(100)	(35.1)	(64.9)	(100)	0.198
50–59	N	101	87	188	95	159	254	39	81	120	235	327	562	<0.001
50–59	(%)	(53.7)	(46.3)	(100)	(37.4)	(62.6)	(100)	(32.5)	(67.5)	(100)	(41.8)	(58.2)	(100)	<0.001
60–69	N	22	18	40	9	25	34	6	14	20	37	57	94	0.027
60–69	(%)	(55.0)	(45.0)	(100)	(26.5)	(73.5)	(100)	(30.0)	(70.0)	(100)	(39.4)	(60.6)	(100)	0.027
Total	N	438	475	913	373	632	1005	103	230	333	914	1337	2251	<0.001
Total	(%)	(48.0)	(52.0)	(100)	(37.1)	(62.9)	(100)	(30.9)	(69.1)	(100)	(40.6)	(59.4)	(100)	<0.001

*Nicotine dependence levels were classified according to results on the Fagerström Test for Cigarette Dependence (FTCD).
†FTCD score=0–3.
‡FTCD score=4–6.
§FTCD score=7–10.