Table 2.

Study details

Study REF	Source papers	Location	Study type a	Study duration	N b	Sex c	Baseline year d
ALLEN	[14,15]	USA	RCT	6 weeks	935	B	1990
BASLER	[16]	Germany	RCT	3 months	139	B	1990
BURNET	[17,18]	USA	Obs	13 years	417	F	1983-84
ELIAS1	[19]	Sweden	Cess	8 weeks	40	M	1995
ELIAS2	[20]	Sweden	Cess	16 weeks	58	B	1995-96
FEHER	[21,22]	UK	Cess	2 weekse	30	B	1988
FERRAR	[23]	USA	Cess	4 weeks	10	F	1999
FORTMA	[24,25]	USA	Obs/Int	3 years	40f	B	1979-80
GEPNER	[26-29]	USA	RCT	3 years	923	B	2005-07
GERACE	[30,31]	USA	Obs/Int	72 months	3470	M	1973-76
GREEN	[32]	Israel	Obs	1-4 years	968	M	1985-87
HAUSTE	[33-35]	Germany	Cess	6 months	197	M	2001
IINO	[36]	Japan	Cess	12 months	41	B	2002-03
KONDO	[12]	Japan	Cess	4 weeks	29	M	2003
KORHON	[37]	USA	RCT	15 weeks	130	F	2004-07
KUME	[38]	Japan	Obs	3 years	3053	B	2003-07
KUSHIM	[39]	Japan	Obs	5 years	1431	M	1985
LEE	[40]	Korea	Cess	2 months	20	M	2009
LUDVIK	[41,42]	Iceland	RCT	3 months	157	B	1989
MASARE	[43]	Australia	Cess	6 months	64	B	1984
MOFFA1	[44]	USA	Cess	60 days	36	F	1986
MOFFA2	[11]	USA	Cess	30 days	45	B	1991
MOFFA3	[45]	USA	RCT/Comm	77 days	43	B	1999
NIAURA	[46]	USA	RCT	12 weeks	28	F	1996
NILSSO	[47]	Sweden	RCT	4 months	400	B	1994
NORREG	[48]	Denmark	RCT	1 year	225	B	1994
PRIEME	[49]	Denmark	RCT	26 weeks	182	B	1996
PULS	[50]	Germany	Cess	5 weeks	218	B	2003-05
QUENSE	[51]	Sweden	Cess	2 weeks	24	M	1987
RABKIN	[52]	Canada	RCT	2-3 months	140	B	1982
RAHILL	[53]	USA	Obs	30 years	2280g	M	1961-70
RICHAR	[54]	France	Cess	3-12 weeks	101	B	1995
SHENNA	[55]	UK	Obs	4 years	41f	M	1980-83
STAMFO	[56]	USA	Cess	48 days/1 year	24	F	1984
STUBBE	[57]	Sweden	Cess	6 weeks	21	M	1981
SUWAZO	[58]	Japan	Obs	15 years	7058	M	1991-2002
SWANK	[59]	USA	Cess	7 weeks	19	F	1990
TAMURA	[60]	Japan	Obs/Int	4 years	1102	M	1999-2000
TERRES	[61]	Germany	Cess	24 weeks	121	B	1990-92
TONSTA	[62]h	Norway	RCT	1 year	55	B	1999-2000
VANDEN	[63]	Netherlands	Cess	1 year	106	M	1997-98
YAMAMO	[64]	Japan	Obs	3 years	7321	M	1989
YEH	[65,66]	USA	Obs	5 years	10892	B	1987-89
YOON	[67]	Korea	Obs	12 years	2848	M	1995-2006
ZHANG	[68]	China	Cess	3-6 months	67	M	2009-10

^aRCT = randomised controlled trial of a smoking cessation aid or method. RCT/Comm = RCT with community control group. Cess = other smoking cessation study. Obs/Int = observational study as follow-up to an intervention study (other than of smoking cessation). Obs = other observational study.

^bTotal number of subjects in the study.

^cB = both sexes, F = females, M = males.

^dIf not stated the year before publication is assumed.

^eSubjects were studied 2 weeks before and 2 weeks after stopping smoking.

^fTotal number not stated, number shown is quitters FORTMA, SHENNA.

^gOf the 2280 total participants, 1420 had at least 2 HDL-C measurements. An “observation” was taken as a successive pair of HDL-C measurements. Each person contributed between 1 and 9 (mean 4) observations to the total of 5895 observations analysed RAHILL.

^hResults for a second study also reported by this paper were rejected as the subjects all had documented cardiovascular disease TONSTA.