Development of symptoms of tobacco dependence in youths: 30 month follow up data from the DANDY study

J R DiFranza; J A Savageau; N A Rigotti; K Fletcher; J K Ockene; A D McNeill; M Coleman; C Wood

doi:10.1136/tc.11.3.228

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Research paper

Development of symptoms of tobacco dependence in youths: 30 month follow up data from the DANDY study

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Online download statistics by month: August 2002 to August 2024

	Abstract	Full	Pdf
Aug 2002	608	372	99
Sep 2002	679	542	133
Oct 2002	195	231	27
Nov 2002	137	135	21
Dec 2002	82	78	12
Jan 2003	58	64	21
Feb 2003	60	71	29
Mar 2003	85	77	12
Apr 2003	76	96	8
May 2003	35	52	18
Jun 2003	33	72	18
Jul 2003	40	99	21
Aug 2003	70	135	18
Sep 2003	60	62	25
Oct 2003	85	119	11
Nov 2003	87	88	34
Dec 2003	71	53	31
Jan 2004	60	86	36
Feb 2004	78	98	35
Mar 2004	113	134	20
Apr 2004	78	177	19
May 2004	123	189	21
Jun 2004	97	128	28
Jul 2004	116	128	21
Aug 2004	75	90	21
Sep 2004	69	153	27
Oct 2004	65	200	27
Nov 2004	57	187	44
Dec 2004	74	131	17
Jan 2005	39	110	15
Feb 2005	75	127	35
Mar 2005	84	137	39
Apr 2005	45	130	27
May 2005	37	115	24
Jun 2005	29	88	30
Jul 2005	25	95	34
Aug 2005	27	86	31
Sep 2005	27	102	36
Oct 2005	40	194	18
Nov 2005	54	224	42
Dec 2005	51	121	37
Jan 2006	50	155	24
Feb 2006	78	128	22
Mar 2006	53	150	25
Apr 2006	74	145	33
May 2006	63	125	22
Jun 2006	57	65	22
Jul 2006	22	63	26
Aug 2006	32	67	17
Sep 2006	47	59	24
Oct 2006	55	112	31
Nov 2006	75	86	41
Dec 2006	37	56	18
Jan 2007	61	87	27
Feb 2007	66	72	22
Mar 2007	74	128	32
Apr 2007	105	13	13
May 2007	70	17	18
Jun 2007	41	14	9
Jul 2007	53	36	17
Aug 2007	58	28	35
Sep 2007	57	10	7
Oct 2007	62	14	18
Nov 2007	87	15	17
Dec 2007	57	6	10
Jan 2008	51	13	12
Feb 2008	53	11	12
Mar 2008	89	12	11
Apr 2008	75	14	15
May 2008	60	9	9
Jun 2008	56	11	12
Jul 2008	39	8	14
Aug 2008	37	8	15
Sep 2008	61	12	5
Oct 2008	54	6	6
Nov 2008	51	10	9
Dec 2008	35	12	5
Jan 2009	61	12	15
Feb 2009	43	7	11
Mar 2009	99	12	12
Apr 2009	61	14	16
May 2009	60	7	10
Jun 2009	41	11	15
Jul 2009	36	3	12
Aug 2009	26	10	7
Sep 2009	30	5	8
Oct 2009	30	8	8
Nov 2009	47	9	16
Dec 2009	41	7	6
Jan 2010	55	7	8
Feb 2010	32	6	4
Mar 2010	147	13	13
Apr 2010	35	13	6
May 2010	50	6	8
Jun 2010	40	8	10
Jul 2010	62	7	9
Aug 2010	60	6	6
Sep 2010	55	3	1
Oct 2010	44	12	4
Nov 2010	59	21	6
Dec 2010	33	7	5
Jan 2011	32	13	12
Feb 2011	55	14	6
Mar 2011	52	10	5
Apr 2011	47	7	6
May 2011	55	6	4
Jun 2011	48	5	7
Jul 2011	57	6	5
Aug 2011	55	5	5
Sep 2011	49	8	5
Oct 2011	76	4	10
Nov 2011	52	20	13
Dec 2011	41	38	8
Jan 2012	44	32	16
Feb 2012	15	43	6
Mar 2012	38	38	8
Apr 2012	52	33	12
May 2012	56	46	10
Jun 2012	32	23	18
Jul 2012	45	15	14
Aug 2012	59	30	21
Sep 2012	62	42	13
Oct 2012	43	44	20
Nov 2012	79	41	22
Dec 2012	80	54	17
Jan 2013	106	56	20
Feb 2013	85	36	18
Mar 2013	105	73	12
Apr 2013	130	73	28
May 2013	140	92	26
Jun 2013	81	61	8
Jul 2013	80	35	16
Aug 2013	120	29	8
Sep 2013	82	50	8
Oct 2013	70	42	25
Nov 2013	113	69	18
Dec 2013	103	27	16
Jan 2014	70	31	13
Feb 2014	93	34	14
Mar 2014	105	44	19
Apr 2014	134	60	14
May 2014	114	51	18
Jun 2014	115	36	11
Jul 2014	87	38	7
Aug 2014	135	49	7
Sep 2014	74	50	11
Oct 2014	98	46	13
Nov 2014	119	25	10
Dec 2014	113	34	10
Jan 2015	107	34	11
Feb 2015	112	36	11
Mar 2015	66	36	18
Apr 2015	62	25	9
May 2015	259	39	11
Jun 2015	38	13	3
Jul 2015	56	29	7
Aug 2015	57	24	9
Sep 2015	121	32	7
Oct 2015	137	16	12
Nov 2015	264	47	13
Dec 2015	112	25	5
Jan 2016	59	43	14
Feb 2016	57	24	10
Mar 2016	69	31	12
Apr 2016	66	30	12
May 2016	65	76	7
Jun 2016	36	102	10
Jul 2016	49	39	14
Aug 2016	53	35	12
Sep 2016	38	22	12
Oct 2016	67	22	18
Nov 2016	68	40	14
Dec 2016	45	22	5
Jan 2017	65	28	8
Feb 2017	19	14	5
Mar 2017	29	37	11
Apr 2017	31	34	16
May 2017	28	74	8
Jun 2017	42	68	12
Jul 2017	77	65	9
Aug 2017	71	46	9
Sep 2017	99	49	12
Oct 2017	115	55	14
Nov 2017	132	94	18
Dec 2017	117	71	4
Jan 2018	111	63	19
Feb 2018	138	90	15
Mar 2018	130	90	15
Apr 2018	126	77	35
May 2018	178	128	32
Jun 2018	138	105	19
Jul 2018	130	104	103
Aug 2018	250	202	20
Sep 2018	238	194	32
Oct 2018	231	191	26
Nov 2018	226	196	20
Dec 2018	410	370	27
Jan 2019	254	203	36
Feb 2019	201	168	17
Mar 2019	135	108	15
Apr 2019	89	49	21
May 2019	88	45	21
Jun 2019	107	74	28
Jul 2019	48	27	18
Aug 2019	94	61	12
Sep 2019	67	35	30
Oct 2019	98	63	121
Nov 2019	67	24	56
Dec 2019	68	38	13
Jan 2020	83	55	23
Feb 2020	72	48	12
Mar 2020	101	65	15
Apr 2020	64	29	6
May 2020	78	36	12
Jun 2020	67	44	4
Jul 2020	55	31	13
Aug 2020	80	38	5
Sep 2020	89	43	10
Oct 2020	79	44	20
Nov 2020	117	58	16
Dec 2020	89	51	26
Jan 2021	70	40	12
Feb 2021	71	38	16
Mar 2021	102	44	32
Apr 2021	118	48	30
May 2021	68	30	14
Jun 2021	57	31	8
Jul 2021	47	20	10
Aug 2021	51	27	11
Sep 2021	50	25	14
Oct 2021	82	35	31
Nov 2021	85	43	33
Dec 2021	70	41	8
Jan 2022	72	33	10
Feb 2022	77	41	15
Mar 2022	81	32	18
Apr 2022	81	45	14
May 2022	122	72	31
Jun 2022	148	105	8
Jul 2022	53	22	6
Aug 2022	78	33	12
Sep 2022	69	32	11
Oct 2022	81	40	13
Nov 2022	92	43	15
Dec 2022	94	47	10
Jan 2023	80	45	23
Feb 2023	94	51	20
Mar 2023	91	42	14
Apr 2023	73	24	10
May 2023	74	29	12
Jun 2023	53	26	9
Jul 2023	54	20	10
Aug 2023	48	24	19
Sep 2023	74	27	8
Oct 2023	87	46	9
Nov 2023	193	163	21
Dec 2023	761	81	6
Jan 2024	123	35	3
Feb 2024	97	6	2
Mar 2024	222	10	4
Apr 2024	192	11	3
May 2024	221	10	0
Jun 2024	64	2	2
Jul 2024	133	24	2
Aug 2024	90	7	3
Total	23264	15659	4563

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