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Table 2 Study details

From: The effect of quitting smoking on HDL-cholesterol - a review based on within-subject changes

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

[2629]

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

[3335]

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

  1. 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.
  2. bTotal number of subjects in the study.
  3. cB = both sexes, F = females, M = males.
  4. dIf not stated the year before publication is assumed.
  5. eSubjects were studied 2 weeks before and 2 weeks after stopping smoking.
  6. fTotal number not stated, number shown is quitters FORTMA, SHENNA.
  7. 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.
  8. hResults for a second study also reported by this paper were rejected as the subjects all had documented cardiovascular disease TONSTA.